Drill Bits

Aircraft Cobalt Drill Bits - 12" Length

More Info
Call us at 1-800-944-5463 to order!

 

  • Aircraft extension made of bronze oxide cobalt
  • NAS 907, type J
  • 135° split point is self-centering and reduces thrust
  • Ideal for drilling in tough, high tensile strength materials where extra length for reach is required.
12″ length
Part No. Drill Size Metric (mm) Decimal Equivalent
DBA12116 1/16″ 1.59 0.0625
DBA1252N 52 1.61 0.0635
DBA1251N 51 1.7 0.067
DBA1250N 50 1.78 0.07
DBA1249N 49 1.85 0.073
DBA1248N 48 1.93 0.076
DBA12564 5/64″ 1.98 0.0781
DBA1247N 47 1.99 0.0785
DBA1246N 46 2.06 0.081
DBA1245N 45 2.08 0.082
DBA1244N 44 2.18 0.086
DBA1243N 43 2.26 0.089
DBA1242N 42 2.37 0.0935
DBA12332 3/32″ 2.38 0.0938
DBA1241N 41 2.44 0.096
DBA1240N 40 0.098
DBA1239N 39 2.53 0.0995
DBA1238N 38 2.58 0.1015
DBA1237N 37 2.64 0.104
DBA1236N 36 2.71 0.1065
DBA12764 7/64″ 2.78 0.1094
DBA1235N 35 2.79 0.11
DBA1234N 34 2.82 0.111
DBA1233N 33 2.87 0.113
DBA1232N 32 2.95 0.116
DBA1231N 31 3.05 0.12
DBA1218 1/8″ 3.18 0.125
DBA1230N 30 3.26 0.1285
DBA1229N 29 3.45 0.136
DBA1228N 28 3.57 0.1405
DBA12964 9/64″ 3.57 0.1406
DBA1227N 27 3.66 0.144
DBA1226N 26 3.73 0.147
DBA1225N 25 3.8 0.1495
DBA1224N 24 3.86 0.152
DBA1223N 23 3.91 0.154
DBA12532 5/32″ 3.97 0.1562
DBA1222N 22 3.99 0.157
DBA1221N 21 4.04 0.159
DBA1220N 20 4.09 0.161
DBA1219N 19 4.22 0.166
DBA1218N 18 4.31 0.1695
DBA121164 11/64″ 4.37 0.1719
DBA1217N 17 4.39 0.173
DBA1216N 16 0.177
DBA1215N 15 4.57 0.188
DBA1214N 14 4.62 0.182
DBA1213N 13 4.7 0.185
DBA12316 3/16″ 4.76 0.1875
DBA1212N 12 4.8 0.189
DBA1211N 11 4.85 0.191
DBA1210N 10 4.91 0.1935
DBA129N 9 4.98 0.196
DBA128N 8 5.05 0.199
DBA127N 7 5.11 0.201
DBA121364 13/64″ 5.16 0.2031
DBA126N 6 5.18 0.204
DBA125N 5 5.22 0.2055
DBA124N 4 5.31 0.209
DBA123N 3 5.41 0.213
DBA12732 7/32″ 5.56 0.2188
DBA122N 2 5.61 0.221
DBA121N 1 5.79 0.228
DBA121564 15/64″ 5.95 0.2344
DBA1214 1/4″ 6.35 0.25
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Aircraft Cobalt Drill Bits - 6" Length

More Info
Call us at 1-800-944-5463 to order!

 

  • Aircraft extension made of bronze oxide cobalt
  • NAS 907, type J
  • 135° split point is self-centering and reduces thrust
  • Ideal for drilling in tough, high tensile strength materials where extra length for reach is required.
6″ length
Part No. Drill Size Metric (mm) Decimal Equivalent
DBA6116 1/16″ 1.59 0.0625
DBA6564 5/64″ 1.98 0.0781
DBA647N 47 1.99 0.0785
DBA646N 46 2.06 0.081
DBA645N 45 2.08 0.082
DBA644N 44 2.18 0.086
DBA643N 43 2.26 0.089
DBA642N 42 2.37 0.0935
DBA6332 3/32″ 2.38 0.0938
DBA641N 41 2.44 0.096
DBA640N 40 0.098
DBA639N 39 2.53 0.0995
DBA638N 38 2.58 0.1015
DBA637N 37 2.64 0.104
DBA636N 36 2.71 0.1065
DBA6764 7/64″ 2.78 0.1094
DBA635N 35 2.79 0.11
DBA634N 34 2.82 0.111
DBA633N 33 2.87 0.113
DBA632N 32 2.95 0.116
DBA631N 31 3.05 0.12
DBA618 1/8″ 3.18 0.125
DBA630N 30 3.26 0.1285
DBA629N 29 3.45 0.136
DBA628N 28 3.57 0.1405
DBA6964 9/64″ 3.57 0.1406
DBA627N 27 3.66 0.144
DBA626N 26 3.73 0.147
DBA625N 25 3.8 0.1495
DBA624N 24 3.86 0.152
DBA623N 23 3.91 0.154
DBA6532 5/32″ 3.97 0.1562
DBA622N 22 3.99 0.157
DBA621N 21 4.04 0.159
DBA620N 20 4.09 0.161
DBA619N 19 4.22 0.166
DBA618N 18 4.31 0.1695
DBA61164 11/64″ 4.37 0.1719
DBA617N 17 4.39 0.173
DBA616N 16 0.177
DBA615N 15 4.57 0.188
DBA614N 14 4.62 0.182
DBA613N 13 4.7 0.185
DBA6316 3/16″ 4.76 0.1875
DBA612N 12 4.8 0.189
DBA611N 11 4.85 0.191
DBA610N 10 4.91 0.1935
DBA69N 9 4.98 0.196
DBA68N 8 5.05 0.199
DBA67N 7 5.11 0.201
DBA61364 13/64″ 5.16 0.2031
DBA66N 6 5.18 0.204
DBA65N 5 5.22 0.2055
DBA64N 4 5.31 0.209
DBA63N 3 5.41 0.213
DBA6732 7/32″ 5.56 0.2188
DBA62N 2 5.61 0.221
DBA61N 1 5.79 0.228
DBA61564 15/64″ 5.95 0.2344
DBA614 1/4″ 6.35 0.25
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Heavy Duty Cobalt Steel Drill Bits

More Info
Call us at 1-800-944-5463 to order!

Hi-Line’s Cobalt steel, heavy-duty, bronze oxide drill bits feature a 135° split point. Use for drilling in tough, high tensile strength materials like PH stainless steel, titanium and inconel.

Part No. Drill Size MM Decimal Equivalent
DBC60N 60 1.02 0.04
DBC59N 59 1.04 0.041
DBC58N 58 1.07 0.042
DBC57N 57 1.09 0.043
DBC56N 56 1.18 0.0465
DBC364 3/64″ 1.19 0.0469
DBC55N 55 1.32 0.052
DBC54N 54 1.4 0.055
DBC53N 53 1.51 0.0595
DBC116 45 2.08 0.082
DBC52N 44 2.18 0.086
DBC51N 43 2.26 0.089
DBC50N 42 2.37 0.0935
DBC49N 3/32″ 2.38 0.0938
DBC48N 41 2.44 0.096
DBC564 40 0.098
DBC47N 2.5 0.0984
DBC46N 38 2.58 0.1015
DBC45N 37 2.64 0.104
DBC44N 36 2.71 0.1065
DBC43N 7/64″ 2.78 0.1094
DBC42N 35 2.79 0.11
DBC332 34 2.82 0.111
 DBC41N 33 2.87 0.113
DBC40N 32 2.95 0.116
DBC39N 31 3.05 0.12
DBC38N 1/8″ 3.18 0.125
DBC37N 30 3.26 0.1285
DBC36N 3.3 0.1299
DBC764 29 3.45 0.136
DBC35N 3.5 0.1378
DBC34N 28 3.57 0.1405
DBC33N 9/64″ 3.57 0.1406
DBC32N 27 3.66 0.144
DBC31N 25 3.8 0.1495
DBC18 24 3.86 0.152
DBC30N 23 3.91 0.154
DBC29N 22 3.99 0.157
DBC28N 21 4.04 0.159
DBC964 20 4.09 0.161
DBC27N 4.2 0.1654
DBC26N 19 4.22 0.166
DBC25N 18 4.31 0.1695
DBC24N 11/64″ 4.37 0.1719
DBC23N 17 4.39 0.173
DBC532 16 0.177
DBC22N 4.5 0.1772
DBC21N 14 4.62 0.182
DBC20N 13 4.7 0.185
DBC19N 12 4.8 0.189
DBC18N 11 4.85 0.191
DBC1164 10 4.91 0.1935
DBC17N 9 4.98 0.196
DBC16N 5 0.1968
DBC15N 7 5.11 0.201
DBC14N 13/64″ 5.16 0.2031
DBC13N 6 5.18 0.204
DBC316 5 5.22 0.2055
DBC12N 4 5.31 0.209
DBC11N 3 5.41 0.213
DBC10N 5.5 0.2165
DBC9N 7/32″ 5.56 0.2188
DBC8N 1 5.79 0.228
DBC7N A 5.94 0.234
DBC1364 15/64″ 5.95 0.2344
DBC6N 6 0.2362
DBC5N B 6.05 0.238
DBC4N C 6.15 0.242
DBC3N D 6.25 0.246
DBC2N 6.5 0.2559
DBC1N F 6.53 0.257
DBC1564 17/64″ 6.75 0.2656
DBC14 K 7.14 0.281
DBC1764 19/64″ 7.54 0.2969
DBC932 21/64″ 8.3 0.3281
DBC1964 11/32″ 8.73 0.3438
DBC516 9 0.3543
DBC2164 9.5 0.374
DBC1132 25/64″ 9.92 0.3906
DBC2364 13/32″ 10.32 0.4062
DBC38 27/64″ 10.72 0.4219
DBC2564 11.5 0.4528
DBC1332 31/64″ 12.3 0.4844
DBC2764 13 0.5118
DBC716 17/32″ 13.49 0.5312
DBC2964 14 0.5512
DBC1532 9/16″ 14.29 0.5625
DBC3164 15 0.5906
DBC12 39/64″ 15.48 0.6094
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Triumph TriNado® 3-flat shank Mechanic’s Length Straight Shank & 3/8” Reduced Shank

Part Number:

DBFXXX T1M Straight Shank

DBR38XXX T8m 3/8″ Reduced Shank

More Info
Call us at 1-800-944-5463 to order!

TriNado® Drills are the perfect  no-slip tool for your cordless drilling needs. The special 3-flat shank provides a positive grip in cordless, keyless and conventional power tools. Heavy-duty construction provides additional strength. Ideal for use in medium and high tensile strength alloy material.  For use on iron, steel, stainless steel and wood.

  • High-speed steel
  • 3-flat shank design
  • 135° split point
  • black and bronze oxide
 Straight Shank
Part No. Drill Size MM Decimal Equivalent
DBF116 1/16″ 1.59 0.0625
DBF564 5/64″ 1.98 0.0781
DBF332 3/32″ 2.38 0.0938
DBF764 7/64″ 2.78 0.1094
DBF18 1/8″ 3.18 0.125
DBF964 9/64″ 3.57 0.1406
DBF532 5/32″ 3.97 0.1562
DBF1164 11/64″ 4.37 0.1719
DBF316 3/16″ 4.76 0.1875
DBF1364 13/64″ 5.16 0.2031
DBF732 7/32″ 5.56 0.2188
DBF1564 15/64″ 5.95 0.2344
DBF14 1/4″ 6.35 0.25
DBF1764 17/64″ 6.75 0.2656
DBF932 9/32″ 7.14 0.2812
DBF1964 19/64″ 7.54 0.2969
DBF516 5/16″ 7.94 0.3125
DBF2164 21/64″ 8.3 0.3281
DBF1132 11/32″ 8.73 0.3438
DBF2364 23/64″ 9.13 0.3594
DBF38 3/8″ 9.53 0.375
DBF2564 25/64″ 9.92 0.3906
DBF1332 13/32″ 10.32 0.4062
DBF2764 27/64″ 10.72 0.4219
DBF716 7/16″ 11.11 0.4375
DBF2964 29/64″ 11.51 0.4531
DBF1532 15/32″ 11.91 0.4688
DBF3164 31/64″ 12.3 0.4844
DBF12 1/2″ 12.7 0.5
 3/8” Reduced Shank
Part No. Drill Size MM Decimal Equivalent
DBR382764 27/64″ 10.72 0.4219
DBR38716 7/16″ 11.11 0.4375
DBR382964 29/64″ 11.51 0.4531
DBR381532 15/32″ 11.91 0.4688
DBR383164 31/64″ 12.3 0.4844
DBR3812 1/2″ 12.7 0.5
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Triumph ThunderBit® High Performance Jobber Length Drill Bits

More Info
Call us at 1-800-944-5463 to order!

ThunderBit® High Performance drill bits are made from industrial grade steel.Unique spiral flute design improves chip ejection and coolant flow to the point.

  • 135° Split Point
  • Premium Grade High Speed Steel
  • Black and Bronze Oxide finish
  • Heavy-Duty Construction
Part No. Drill Size MM Decimal Equivalent
DBS1M 1 0.0394
DBS60N 60 1.02 0.04
DBS59N 59 1.04 0.041
DBS58N 58 1.07 0.042
DBS57N 57 1.09 0.043
DBS56N 56 1.18 0.0465
DBS55N 55 1.32 0.052
DBS54N 54 1.4 0.055
DBS1.5M 1.5 0.0591
DBS53N 53 1.51 0.0595
DBS116 1/16″ 1.59 0.0625
DBS52N 52 1.61 0.0635
DBS51N 51 1.7 0.067
DBS50N 50 1.78 0.07
DBS49N 49 1.85 0.073
DBS48N 48 1.93 0.076
DBS564 5/64″ 1.98 0.0781
DBS47N 47 1.99 0.0785
DBS2M 2 0.0787
DBS46N 46 2.06 0.081
DBS45N 45 2.08 0.082
DBS44N 44 2.18 0.086
DBS43N 43 2.26 0.089
DBS42N 42 2.37 0.0935
DBS332 3/32″ 2.38 0.0938
DBS41N 41 2.44 0.096
DBS40N 40 0.098
DBS2.5M 2.5 0.0984
DBS39N 39 2.53 0.0995
DBS38N 38 2.58 0.1015
DBS37N 37 2.64 0.104
DBS36N 36 2.71 0.1065
DBS764 7/64″ 2.78 0.1094
DBS35N 35 2.79 0.11
DBS34N 34 2.82 0.111
DBS33N 33 2.87 0.113
DBS32N 32 2.95 0.116
DBS3M 3 0.1181
DBS31N 31 3.05 0.12
DBS18 1/8″ 3.18 0.125
DBS30N 30 3.26 0.1285
DBS3.3M 3.3 0.1299
DBS29N 29 3.45 0.136
DBS3.5M 3.5 0.1378
DBS28N 28 3.57 0.1405
DBS964 9/64″ 3.57 0.1406
DBS27N 27 3.66 0.144
DBS26N 26 3.73 0.147
DBS25N 25 3.8 0.1495
DBS24N 24 3.86 0.152
DBS23N 23 3.91 0.154
DBS532 5/32″ 3.97 0.1562
DBS22N 22 3.99 0.157
DBS4M 4 0.1575
DBS21N 21 4.04 0.159
DBS20N 20 4.09 0.161
DBS4.2M 4.2 0.1654
DBS19N 19 4.22 0.166
DBS18N 18 4.31 0.1695
DBS1164 11/64″ 4.37 0.1719
DBS17N 17 4.39 0.173
DBS16N 16 0.177
DBS4.5M 4.5 0.1772
DBS15N 15 4.57 0.188
DBS14N 14 4.62 0.182
DBS13N 13 4.7 0.185
DBS316 3/16″ 4.76 0.1875
DBS12N 12 4.8 0.189
DBS11N 11 4.85 0.191
DBS10N 10 4.91 0.1935
DBS9N 9 4.98 0.196
DBS5M 5 0.1968
DBS8N 8 5.05 0.199
DBS7N 7 5.11 0.201
DBS1364 13/64″ 5.16 0.2031
DBS6N 6 5.18 0.204
DBS5N 5 5.22 0.2055
DBS4N 4 5.31 0.209
DBS3N 3 5.41 0.213
DBS5.5M 5.5 0.2165
DBS732 7/32″ 5.56 0.2188
DBS2N 2 5.61 0.221
DBS1N 1 5.79 0.228
 DBSA A 5.94 0.234
DBS1564 15/64″ 5.95 0.2344
DBS6M 6 0.2362
 DBSB B 6.05 0.238
DBSC C 6.15 0.242
DBS14 1/4″ 6.35 0.25
DBS6.5M 6.5 0.2559
DBS1764 17/64″ 6.75 0.2656
DBS7M 7 0.2756
DBS932 9/32″ 7.14 0.2812
DBS7.5M 7.5 0.2953
DBS1964 19/64″ 7.54 0.2969
DBS516 5/16″ 7.94 0.3125
DBS8M 8 0.315
DBS2164 21/64″ 8.3 0.3281
DBS8.5M 8.5 0.3346
DBS1132 11/32″ 8.73 0.3438
DBS9M 9 0.3543
DBS2364 23/64″ 9.13 0.3594
DBS9.5M 9.5 0.374
DBS38 3/8″ 9.53 0.375
DBS2564 25/64″ 9.92 0.3906
DBS10M 10 0.3937
DBS1332 13/32″ 10.32 0.4062
DBSZ Z 10.49 0.413
DBS10.5M 10.5 0.4134
DBS2764 27/64″ 10.72 0.4219
DBS11M 11 0.4331
DBS716 7/16″ 11.11 0.4375
DBS11.5M 11.5 0.4528
DBS2964 29/64″ 11.51 0.4531
DBS1532 15/32″ 11.91 0.4688
DBS12M 12 0.4724
DBS3164 31/64″ 12.3 0.4844
DBS12.5M 12.5 0.4921
DBS12 1/2″ 12.7 0.5
DBS13M 13 0.5118
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Triumph ThunderBit® High Performance Silver & Deming 1/2" Shank 118° Point Drill Bits

Part Number:

DBR12XXXX

More Info
Call us at 1-800-944-5463 to order!

ThunderBit® Silver & Deming 1/2″ Shank.

  • 118° Split Point
  • Silver & Deming 1/2” Shank
  • Premium Grade High Speed Steel
  • Black and Bronze Oxide Finish
  • High Performance
  • 3 Flats on Shank

Ideal for use on:

  • Cast iron
  • Steel, Low and Medium Carbon
  • Steel, High Alloy
  • Steel, Stainless and PH
  • Tough, Medium and High-Tensile Strength Alloys
Part No. Drill Size MM Decimal Equivalent
DBR123364 33/64″ 13.1 0.5156
DBR121732 17/32″ 13.49 0.5312
DBR123564 35/64″ 13.89 0.5469
DBR12916 9/16″ 14.29 0.5625
DBR123764 37/64″ 14.68 0.5781
DBR121932 19/32″ 15.08 0.5938
DBR123964 39/64″ 15.48 0.6094
DBR1258 5/8″ 15.88 0.625
DBR124164 41/64″ 16.27 0.6406
DBR122132 21/32″ 16.67 0.6562
DBR124364 43/64″ 17.07 0.6719
DBR121116 11/16″ 17.46 0.6875
DBR124564 45/64″ 17.86 0.7031
DBR122332 23/32″ 18.26 0.7188
DBR124764 47/64″ 18.65 0.7344
DBR1234 3/4″ 19.05 0.75
DBR124964 49/64″ 19.45 0.7656
DBR122532 25/32″ 19.84 0.7812
DBR125164 51/64″ 20.24 0.7969
DBR121316 13/16″ 20.64 0.8125
DBR125364 53/64″ 21.03 0.8281
DBR122732 27/32″ 21.43 0.8438
DBR125564 55/64″ 21.84 0.8594
DBR1278 7/8″ 22.23 0.875
DBR125764 57/64″ 22.62 0.8906
DBR122932 29/32″ 23.02 0.9062
DBR125964 59/64″ 23.42 0.9219
DBR121516 15/16″ 23.81 0.9375
DBR126154 61/64″ 24.21 0.9531
DBR123132 31/32″ 24.61 0.9688
DBR126364 63/64″ 25 0.9844
DBR121 1″ 25.4 1
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General Purpose, 118° Point, High-Speed Steel Jobber Length Drill Bits

Part Number:

DBHXXX

More Info
Call us at 1-800-944-5463 to order!
  • 118° Point
  • High Speed Steel
  • Black Oxide Finish
  • General Purpose for use on wood or metal
Part No. Drill Size MM Decimal Equivalent
DBH80N 80 0.34 0.0135
DBH79N 79 0.37 0.0145
DBH164 1/64″ 0.4 0.0156
DBH78N 78 0.41 0.016
DBH77N 77 0.46 0.018
DBH76N 76 0.51 0.02
DBH75N 75 0.53 0.021
DBH74N 74 0.57 0.0225
DBH73N 73 0.61 0.024
DBH72N 72 0.64 0.025
DBH71N 71 0.66 0.026
DBH70N 70 0.71 0.028
DBH69N 69 0.74 0.0292
DBH68N 68 0.79 0.031
DBH132 1/32″ 0.79 0.0312
DBH67N 67 0.81 0.032
DBH66N 66 0.84 0.033
DBH65N 65 0.89 0.035
DBH64N 64 0.91 0.036
DBH63N 63 0.94 0.037
DBH62N 62 0.97 0.038
DBH61N 61 0.99 0.039
DBH60N 60 1.02 0.04
DBH59N 59 1.04 0.041
DBH58N 58 1.07 0.042
DBH57N 57 1.09 0.043
DBH56N 56 1.18 0.0465
DBH364 3/64″ 1.19 0.0469
DBH55N 55 1.32 0.052
DBH54N 54 1.4 0.055
DBH53N 53 1.51 0.0595
DBH116 1/16″ 1.59 0.0625
DBH52N 52 1.61 0.0635
DBH51N 51 1.7 0.067
DBH50N 50 1.78 0.07
DBH49N 49 1.85 0.073
DBH48N 48 1.93 0.076
DBH564 5/64″ 1.98 0.0781
DBH47N 47 1.99 0.0785
DBH46N 46 2.06 0.081
DBH45N 45 2.08 0.082
DBH44N 44 2.18 0.086
DBH43N 43 2.26 0.089
DBH42N 42 2.37 0.0935
DBH332 3/32″ 2.38 0.0938
DBH40N 40 0.098
DBH39N 39 2.53 0.0995
DBH38N 38 2.58 0.1015
DBH37N 37 2.64 0.104
DBH36N 36 2.71 0.1065
DBH764 7/64″ 2.78 0.1094
DBH35N 35 2.79 0.11
DBH34N 34 2.82 0.111
DBH33N 33 2.87 0.113
DBH32N 32 2.95 0.116
DBH31N 31 3.05 0.12
DBH18 1/8″ 3.18 0.125
DBH30N 30 3.26 0.1285
DBH29N 29 3.45 0.136
DBH28N 28 3.57 0.1405
DBH964 9/64″ 3.57 0.1406
DBH27N 27 3.66 0.144
DBH26N 26 3.73 0.147
DBH25N 25 3.8 0.1495
DBH24N 24 3.86 0.152
DBH23N 23 3.91 0.154
DBH532 5/32″ 3.97 0.1562
DBH22N 22 3.99 0.157
DBH21N 21 4.04 0.159
DBH20N 20 4.09 0.161
DBH19N 19 4.22 0.166
DBH18N 18 4.31 0.1695
DBH1164 11/64″ 4.37 0.1719
DBH17N 17 4.39 0.173
DBH16N 16 0.177
DBH15N 15 4.57 0.188
DBH14N 14 4.62 0.182
DBH13N 13 4.7 0.185
DBH316 3/16″ 4.76 0.1875
 DBH12N 12 4.8 0.189
DBH11N 11 4.85 0.191
DBH10N 10 4.91 0.1935
DBH9N 9 4.98 0.196
DBH8N 8 5.05 0.199
DBH7N 7 5.11 0.201
DBH1364 13/64″ 5.16 0.2031
DBH6N 6 5.18 0.204
DBH5N 5 5.22 0.2055
DBH4N 4 5.31 0.209
DBH3N 3 5.41 0.213
DBH2N 2 5.61 0.221
DBH1N 1 5.79 0.228
DBHA A 5.94 0.234
DBH1564 15/64″ 5.95 0.2344
DBHB B 6.05 0.238
DBHC C 6.15 0.242
DBHD D 6.25 0.246
DBH14 1/4″ 6.35 0.25
DBHE E 6.35 0.25
DBHF F 6.53 0.257
DBHG G 6.63 0.261
DBH1764 17/64″ 6.75 0.2656
DBHH H 6.76 0.266
DBHI I 6.91 0.272
DBHJ J 7.04 0.277
DBHK K 7.14 0.281
DBH932 9/32″ 7.14 0.2812
DBHL L 7.37 0.29
DBHM M 7.49 0.295
DBH1964 19/64″ 7.54 0.2969
DBHN N 7.67 0.302
DBH516 5/16″ 7.94 0.3125
DBHO O 8.03 0.316
DBHP P 8.2 0.323
DBH2164 21/64″ 8.3 0.3281
DBHQ Q 8.43 0.332
DBHR R 8.61 0.339
DBH1132 11/32″ 8.73 0.3438
DBHS S 8.84 0.348
DBHT T 9.09 0.358
DBH2364 23/64″ 9.13 0.3594
DBHU U 9.35 0.368
DBH38 3/8″ 9.53 0.375
DBHV V 9.56 0.377
DBHW W 9.8 0.386
DBH2564 25/64″ 9.92 0.3906
DBHX X 10.08 0.397
DBHY Y 10.26 0.404
DBH1332 13/32″ 10.32 0.4062
DBHZ Z 10.49 0.413
DBH2764 27/64″ 10.72 0.4219
DBH716 7/16″ 11.11 0.4375
DBH2964 29/64″ 11.51 0.4531
DBH1532 15/32″ 11.91 0.4688
DBH3164 31/64″ 12.3 0.4844
DBH12 1/2″ 12.7 0.5
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Left Hand, General Purpose, 118° Point, High Speed Steel Drill Bits

More Info
Call us at 1-800-944-5463 to order!
  • 118° Point
  • High Speed Steel
  • Bright Finish
  • Left Hand Orientation
Part No. Drill Size MM Decimal Equivalent
DBL116 1/16″ 1.59 0.0625
DBL564 5/64″ 1.98 0.0781
DBL332 3/32″ 2.38 0.0938
DBL764 7/64″ 2.78 0.1094
DBL18 1/8″ 3.18 0.125
DBL964 9/64″ 3.57 0.1406
DBL532 5/32″ 3.97 0.1562
DBL1164 11/64″ 4.37 0.1719
DBL316 3/16″ 4.76 0.1875
DBL1364 13/64″ 5.16 0.2031
DBL732 7/32″ 5.56 0.2188
DBL1564 15/64″ 5.95 0.2344
DBL14 1/4″ 6.35 0.25
DBL1764 17/64″ 6.75 0.2656
DBL932 9/32″ 7.14 0.2812
DBL1964 19/64″ 7.54 0.2969
DBL516 5/16″ 7.94 0.3125
DBL2164 21/64″ 8.3 0.3281
DBL1132 11/32″ 8.73 0.3438
DBL2364 23/64″ 9.13 0.3594
DBL38 3/8″ 9.53 0.375
DBL2564 25/64″ 9.92 0.3906
DBL1332 13/32″ 10.32 0.4062
DBL2764 27/64″ 10.72 0.4219
DBL716 7/16″ 11.11 0.4375
DBL2964 29/64″ 11.51 0.4531
DBL1532 15/32″ 11.91 0.4688
DBL3164 31/64″ 12.3 0.4844
DBL12 1/2″ 12.7 0.5
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Left-Hand Heavy Duty High Speed Steel Straight Shank Jobber Length Drill Bits

More Info
Call us at 1-800-944-5463 to order!
  • Ideal for use with screw extractors
  • 135-degree split point reduces feed pressure and allows for easier penetration without work hardening
  • Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistance
Part No. Drill Size MM Decimal Equivalent
DBLH116 1/16″ 1.59 0.0625
DBLH564 5/64″ 1.98 0.0781
DBLH332 3/32″ 2.38 0.0938
DBLH764 7/64″ 2.78 0.1094
DBLH18 1/8″ 3.18 0.125
DBLH964 9/64″ 3.57 0.1406
DBLH532 5/32″ 3.97 0.1562
DBLH1164 11/64″ 4.37 0.1719
DBLH316 3/16″ 4.76 0.1875
DBLH1364 13/64″ 5.16 0.2031
DBLH732 7/32″ 5.56 0.2188
DBLH1564 15/64″ 5.95 0.2344
DBLH14 1/4″ 6.35 0.25
DBLH1764 17/64″ 6.75 0.2656
DBLH932 9/32″ 7.14 0.2812
DBLH1964 19/64″ 7.54 0.2969
DBLH516 5/16″ 7.94 0.3125
DBLH2164 21/64″ 8.3 0.3281
DBLH1132 11/32″ 8.73 0.3438
DBLH2364 23/64″ 9.13 0.3594
DBLH38 3/8″ 9.53 0.375
DBLH2564 25/64″ 9.92 0.3906
DBLH1332 13/32″ 10.32 0.4062
DBLH2764 27/64″ 10.72 0.4219
DBLH716 7/16″ 11.11 0.4375
DBLH2964 29/64″ 11.51 0.4531
DBLH1532 15/32″ 11.91 0.4688
DBLH3164 31/64″ 12.3 0.4844
DBLH12 1/2″ 12.7 0.5
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Heavy Duty, High Speed Steel, Screw Machine Length (Stub Length) 135° Split Point Drill Bit

More Info
Call us at 1-800-944-5463 to order!
  • 135° split point
  • High speed steel
  • Black 0xide coating
  • Heavy-duty construction
  • Screw machine length (Stub length)
Part No. Drill Size MM Decimal Equivalent
DBM60N 0.04 1.02 60
DBM59N 0.041 1.04 59
DBM58N 0.042 1.07 58
DBM57N 0.043 1.09 57
DBM56N 0.0465 1.18 56
DBM364 0.0469 1.19 3/64″
DBM55N 0.052 1.32 55
DBM54N 0.055 1.4 54
DBM53N 0.0595 1.51 53
DBM116 1/16″ 1.59 0.0625
DBM52N 52 1.61 0.0635
DBM51N 51 1.7 0.067
DBM50N 50 1.78 0.07
DBM49N 49 1.85 0.073
DBM48N 48 1.93 0.076
DBM564 5/64″ 1.98 0.0781
DBM47N 47 1.99 0.0785
DBM46N 46 2.06 0.081
DBM45N 45 2.08 0.082
DBM44N 44 2.18 0.086
DBM43N 43 2.26 0.089
DBM42N 42 2.37 0.0935
DBM332 3/32″ 2.38 0.0938
DBM41N 41 2.44 0.096
DBM40N 40 0.098
DBM39N 39 2.53 0.0995
DBM38N 38 2.58 0.1015
DBM37N 37 2.64 0.104
DBM36N 36 2.71 0.1065
DBM764 7/64″ 2.78 0.1094
DBM35N 35 2.79 0.11
DBM34N 34 2.82 0.111
DBM33N 33 2.87 0.113
DBM32N 32 2.95 0.116
DBM31N 31 3.05 0.12
DBM18 1/8″ 3.18 0.125
DBM30N 30 3.26 0.1285
DBM29N 29 3.45 0.136
DBM28N 28 3.57 0.1405
DBM964 9/64″ 3.57 0.1406
DBM27N 27 3.66 0.144
DBM26N 26 3.73 0.147
DBM25N 25 3.8 0.1495
DBM24N 24 3.86 0.152
DBM23N 23 3.91 0.154
DBM532 5/32″ 3.97 0.1562
DBM22N 22 3.99 0.157
DBM21N 21 4.04 0.159
DBM20N 20 4.09 0.161
DBM19N 19 4.22 0.166
DBM18N 18 4.31 0.1695
DBM1164 11/64″ 4.37 0.1719
DBM17N 17 4.39 0.173
DBM16N 16 0.177
DBM15N 15 4.57 0.188
DBM14N 14 4.62 0.182
DBM13N 13 4.7 0.185
DBM316 3/16″ 4.76 0.1875
DBM12N 12 4.8 0.189
DBM11N 11 4.85 0.191
DBM10N 10 4.91 0.1935
DBM9N 9 4.98 0.196
DBM8N 8 5.05 0.199
DBM7N 7 5.11 0.201
DBM1364 13/64″ 5.16 0.2031
DBM6N 6 5.18 0.204
DBM5N 5 5.22 0.2055
DBM4N 4 5.31 0.209
DBM3N 3 5.41 0.213
DBM732 7/32″ 5.56 0.2188
DBM2N 2 5.61 0.221
DBM1N 1 5.79 0.228
DBM1564 15/64″ 5.95 0.2344
DBM14 1/4″ 6.35 0.25
DBM1764 17/64″ 6.75 0.2656
DBM932 9/32″ 7.14 0.2812
DBM1964 19/64″ 7.54 0.2969
DBM516 5/16″ 7.94 0.3125
DBM2164 21/64″ 8.3 0.3281
DBM1132 11/32″ 8.73 0.3438
DBM2364 23/64″ 9.13 0.3594
DBM38 3/8″ 9.53 0.375
DBM2564 25/64″ 9.92 0.3906
DBM1332 13/32″ 10.32 0.4062
DBM2764 27/64″ 10.72 0.4219
DBM716 7/16″ 11.11 0.4375
DBM2964 29/64″ 11.51 0.4531
DBM1532 15/32″ 11.91 0.4688
DBM3164 31/64″ 12.3 0.4844
DBM12 1/2″ 12.7 0.5
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Threaded Hex Shank, High Speed Steel NAS 965 Type D Aviation Drill Bits - Short

More Info
Call us at 1-800-944-5463 to order!

Hi-line’s Aviation Type “D” adapter drills are made from cobalt high speed steel and are manufactured to NAS 965 Type “D” specifications with 135° heavy duty split points and surface treated for drilling hard, tough high tensile strength materials. When drilling low tensile strength materials, the Type “D” cobalt drill will have a significantly greater tool life than the NAS 954 Type “B”, high speed steel adapter drill, resulting in a much lower cost per drill.

  • High Speed Steel
  • 135° heavy duty split points
  • NAS 965 Type D
Length: 1-1/4″
Part No. Drill Size MM Decimal Equivalent
DBT50N 50 1.78 0.07
DBT49N 49 1.85 0.073
DBT48N 48 1.93 0.076
DBT47N 47 1.99 0.0785
DBT46N 46 2.06 0.081
DBT45N 45 2.08 0.082
DBT44N 44 2.18 0.086
DBT43N 43 2.26 0.089
DBT42N 42 2.37 0.0935
DBT332 3/32″ 2.38 0.0938
DBT41N 41 2.44 0.096
DBT40N 40 0.098
DBT39N 39 2.53 0.0995
DBT38N 38 2.58 0.1015
DBT37N 37 2.64 0.104
DBT36N 36 2.71 0.1065
DBT35N 35 2.79 0.11
DBT34N 34 2.82 0.111
DBT33N 33 2.87 0.113
DBT32N 32 2.95 0.116
DBT31N 31 3.05 0.12
DBT18 1/8″ 3.18 0.125
DBT30N 30 3.26 0.1285
DBT29N 29 3.45 0.136
DBT28N 28 3.57 0.1405
DBT27N 27 3.66 0.144
DBT26N 26 3.73 0.147
DBT25N 25 3.8 0.1495
DBT24N 24 3.86 0.152
DBT23N 23 3.91 0.154
DBT532 5/32″ 3.97 0.1562
DBT22N 22 3.99 0.157
DBT21N 21 4.04 0.159
DBT20N 20 4.09 0.161
DBT19N 19 4.22 0.166
DBT18N 18 4.31 0.1695
DBT17N 17 4.39 0.173
DBT16N 16 0.177
DBT15N 15 4.57 0.188
DBT14N 14 4.62 0.182
DBT13N 13 4.7 0.185
DBT316 3/16″ 4.76 0.1875
DBT12N 12 4.8 0.189
DBT11N 11 4.85 0.191
DBT10N 10 4.91 0.1935
DBT9N 9 4.98 0.196
DBT8N 8 5.05 0.199
DBT7N 7 5.11 0.201
DBT6N 6 5.18 0.204
DBT5N 5 5.22 0.2055
DBT4N 4 5.31 0.209
DBT3N 3 5.41 0.213
DBT732 7/32″ 5.56 0.2188
DBT2N 2 5.61 0.221
DBT1N 1 5.79 0.228
DBTC C 6.15 0.242
DBTD D 6.25 0.246
DBT14 1/4″ 6.35 0.25
DBTF F 6.53 0.257
DBTG G 6.63 0.261
DBTH H 6.76 0.266
DBTJ J 7.04 0.277
DBTK K 7.14 0.281
DBTL L 7.37 0.29
DBTM M 7.49 0.295
DBTN N 7.67 0.302
DBT516 5/16″ 7.94 0.3125
DBTO O 8.03 0.316
DBT38 3/8″ 9.53 0.375
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Threaded Hex Shank, High Speed Steel NAS 965 Type D Aviation Drill Bits - Long

More Info
Call us at 1-800-944-5463 to order!

Hi-line’s Aviation Type “D” adapter drills are made from cobalt high speed steel and are manufactured to NAS 965 Type “D” specifications with 135° heavy duty split points and surface treated for drilling hard, tough high tensile strength materials. When drilling low tensile strength materials, the Type “D” cobalt drill will have a significantly greater tool life than the NAS 954 Type “B”, high speed steel adapter drill, resulting in a much lower cost per drill.

  • High Speed Steel
  • 135° heavy duty split points
  • NAS 965 Type D
Length: 2-1/8″
Part No. Drill Size MM Decimal Equivalent
DBTL50N 50 1.78 0.07
DBTL49N 49 1.85 0.073
DBTL48N 48 1.93 0.076
DBTL47N 47 1.99 0.0785
DBTL46N 46 2.06 0.081
DBTL45N 45 2.08 0.082
DBTL44N 44 2.18 0.086
DBTL43N 43 2.26 0.089
DBTL42N 42 2.37 0.0935
DBTL332 3/32″ 2.38 0.0938
DBTL41N 41 2.44 0.096
DBTL40N 40 0.098
DBTL39N 39 2.53 0.0995
DBTL38N 38 2.58 0.1015
DBTL37N 37 2.64 0.104
DBTL36N 36 2.71 0.1065
DBTL35N 35 2.79 0.11
DBTL34N 34 2.82 0.111
DBTL33N 33 2.87 0.113
DBTL32N 32 2.95 0.116
DBTL31N 31 3.05 0.12
DBTL18 1/8″ 3.18 0.125
DBTL30N 30 3.26 0.1285
DBTL29N 29 3.45 0.136
DBTL28N 28 3.57 0.1405
DBTL27N 27 3.66 0.144
DBTL26N 26 3.73 0.147
DBTL25N 25 3.8 0.1495
DBTL24N 24 3.86 0.152
DBTL23N 23 3.91 0.154
DBTL532 5/32″ 3.97 0.1562
DBTL22N 22 3.99 0.157
DBTL21N 21 4.04 0.159
DBTL20N 20 4.09 0.161
DBTL19N 19 4.22 0.166
DBTL18N 18 4.31 0.1695
DBTL17N 17 4.39 0.173
DBTL16N 16 0.177
DBTL15N 15 4.57 0.188
DBTL14N 14 4.62 0.182
DBTL13N 13 4.7 0.185
DBTL316 3/16″ 4.76 0.1875
DBTL12N 12 4.8 0.189
DBTL11N 11 4.85 0.191
DBTL10N 10 4.91 0.1935
DBTL9N 9 4.98 0.196
DBTL8N 8 5.05 0.199
DBTL7N 7 5.11 0.201
DBTL6N 6 5.18 0.204
DBTL5N 5 5.22 0.2055
DBTL4N 4 5.31 0.209
DBTL3N 3 5.41 0.213
DBTL732 7/32″ 5.56 0.2188
DBTL2N 2 5.61 0.221
DBTL1N 1 5.79 0.228
DBTLC C 6.15 0.242
DBTLD D 6.25 0.246
DBTL14 1/4″ 6.35 0.25
DBTLF F 6.53 0.257
DBTLG G 6.63 0.261
DBTLH H 6.76 0.266
DBTLJ J 7.04 0.277
DBTLK K 7.14 0.281
DBTLL L 7.37 0.29
DBTLM M 7.49 0.295
DBTLN N 7.67 0.302
DBTL516 5/16″ 7.94 0.3125
DBTLO O 8.03 0.316
DBTL38 3/8″ 9.53 0.375
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Threaded Hex Shank, High Speed Steel NAS 965 Type D Aviation Drill Bits - Stubby

More Info
Call us at 1-800-944-5463 to order!

Hi-line’s Aviation Type “D” adapter drills are made from cobalt high speed steel and are manufactured to NAS 965 Type “D” specifications with 135° heavy duty split points and surface treated for drilling hard, tough high tensile strength materials. When drilling low tensile strength materials, the Type “D” cobalt drill will have a significantly greater tool life than the NAS 954 Type “B”, high speed steel adapter drill, resulting in a much lower cost per drill.

  • High Speed Steel
  • 135° heavy duty split points
  • NAS 965 Type D
Length: 1/2″ to 5/8″
Part No. Drill Size MM Decimal Equivalent
DBTS50N 50 1.78 0.07
DBTS49N 49 1.85 0.073
DBTS48N 48 1.93 0.076
DBTS47N 47 1.99 0.0785
DBTS46N 46 2.06 0.081
DBTS45N 45 2.08 0.082
DBTS44N 44 2.18 0.086
DBTS43N 43 2.26 0.089
DBTS42N 42 2.37 0.0935
DBTS332 3/32″ 2.38 0.0938
DBTS41N 41 2.44 0.096
DBTS40N 40 0.098
DBTS39N 39 2.53 0.0995
DBTS38N 38 2.58 0.1015
DBTS37N 37 2.64 0.104
DBTS36N 36 2.71 0.1065
DBTS35N 35 2.79 0.11
DBTS34N 34 2.82 0.111
DBTS33N 33 2.87 0.113
DBTS32N 32 2.95 0.116
DBTS31N 31 3.05 0.12
DBTS18 1/8″ 3.18 0.125
DBTS30N 30 3.26 0.1285
DBTS29N 29 3.45 0.136
DBTS28N 28 3.57 0.1405
DBTS27N 27 3.66 0.144
DBTS26N 26 3.73 0.147
DBTS25N 25 3.8 0.1495
DBTS24N 24 3.86 0.152
DBTS23N 23 3.91 0.154
DBTS532 5/32″ 3.97 0.1562
DBTS22N 22 3.99 0.157
DBTS21N 21 4.04 0.159
DBTS20N 20 4.09 0.161
DBTS19N 19 4.22 0.166
DBTS18N 18 4.31 0.1695
DBTS17N 17 4.39 0.173
DBTS16N 16 0.177
DBTS15N 15 4.57 0.188
DBTS14N 14 4.62 0.182
DBTS13N 13 4.7 0.185
DBTS316 3/16″ 4.76 0.1875
DBTS12N 12 4.8 0.189
DBTS11N 11 4.85 0.191
DBTS10N 10 4.91 0.1935
DBTS9N 9 4.98 0.196
DBTS8N 8 5.05 0.199
DBTS7N 7 5.11 0.201
DBTS6N 6 5.18 0.204
DBTS5N 5 5.22 0.2055
DBTS4N 4 5.31 0.209
DBTS3N 3 5.41 0.213
DBTS732 7/32″ 5.56 0.2188
DBTS2N 2 5.61 0.221
DBTS1N 1 5.79 0.228
DBTSC C 6.15 0.242
DBTSD D 6.25 0.246
DBTS14 1/4″ 6.35 0.25
DBTSF F 6.53 0.257
DBTSG G 6.63 0.261
DBTSH H 6.76 0.266
DBTSJ J 7.04 0.277
DBTSK K 7.14 0.281
DBTSL L 7.37 0.29
DBTSM M 7.49 0.295
DBTSN N 7.67 0.302
DBTS516 5/16″ 7.94 0.3125
DBTSO O 8.03 0.316
DBTS38 3/8″ 9.53 0.375
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Hex Shank, High Speed Steel, 118° Split Point Drill Bits

More Info
Call us at 1-800-944-5463 to order!

Features a 1/4” hex shank for hex or adjustable power tool chucks. Recommended use in hard wood, soft wood, plywood particle board, plastic metal. Self Centering point eliminates “walking” on irregular surfaces.

  • 118° Self-Centering Split Point
  • High Speed Steel
  • Black Oxide Coating
Part No. Drill Size MM Decimal Equivalent
DBX116 1/16″ 1.59 0.0625
DBX332 3/32″ 2.38 0.0938
DBX18 1/8″ 3.18 0.125
DBX532 5/32″ 3.97 0.1562
DBX316 3/16″ 4.76 0.1875
DBX732 7/32″ 5.56 0.2188
DBXC C 6.15 0.242
DBX14 1/4″ 6.35 0.25
DBXR R 8.61 0.339
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Masonry, 118° Point, Carbide Tip Drill Bit

More Info
Call us at 1-800-944-5463 to order!

Recommended use in brick, concrete and sandstone.

  • 118° Point, Regular Helix
  • Carbide-Tipped
  • Black Oxide Coating

 

Part No. Drill Size MM Decimal Equivalent
DBB18X3 1/16″ 1.59 0.0625
DBB532X3 43 2.26 0.089
DBB316X4 3 0.1181
DBB14X4 17 4.39 0.173
DBB14X6 16 0.177
DBB516X4 4 5.31 0.209
DBB516X6 3 5.41 0.213
DBB38X4 F 6.53 0.257
DBB38X6 G 6.63 0.261
DBB12X4 Q 8.43 0.332
DBB12X6 8.5 0.3346
DBB916X6 T 9.09 0.358
DBB58X6 V 9.56 0.377
DBB34X6 11.5 0.4528
DBB78X6 14 0.5512
DBB1X6 43/64″ 17.07 0.6719
DBB118X6 11/16″ 17.46 0.6875
DBB114X10 45/64″ 17.86 0.7031
DBB138X10 18 0.7087
DBB112X10 23/32″ 18.26 0.7188
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