Nuts

Hi-Line has a wide variety of nuts in its catalog, including hex nuts, heavy-duty lock nuts, flanged course thread nuts, self locking hex nuts and more.
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Acorn Nuts, 316 Stainless Steel

Acorn Nuts, 316 Stainless Steel

2016-10-24 16:15:12 Hi-Line, Inc.
Acorn cap nuts are made of non-magnetic, corrosion resistant 316 stainless steel and feature a hex nut with an enclosed dome that is partially threaded. The acorn cap nut also protects from injury by covering exposed threads.
Part No.
Diameter
Outer Hex
Price  
359G 1/4 7/16 $27.60 / pkg of 10
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359H 5/16 1/2 $32.20 / pkg of 10
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359I 3/8 5/8 $39.60 / pkg of 10
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359K 1/2 3/4 $50.80 / pkg of 5
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Acorn Nuts, Grade 2 Zinc Plated USS (Coarse) Thread
Part No.
Diameter
Thread Pitch
Price  
59H 5/16" 18 $39.00 / pkg of 100
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59E #10 24 $19.00 / pkg of 100
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59I 3/8" 16 $49.00 / pkg of 100
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59EF #10 32 $19.00 / pkg of 100
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59C #6 32 $15.00 / pkg of 100
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59K 1/2" 13 $55.00 / pkg of 50
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59G 1/4" 20 $24.00 / pkg of 100
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59D #8 32 $16.00 / pkg of 100
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Brass Hex Nuts
Part No.
Diameter
Thread Pitch
Price  
04GF 1/4" 28 $61.00 / pkg of 100
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04E #10 24 $22.00 / pkg of 100
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04B #4 40 $12.00 / pkg of 100
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04HF 5/16" 18 $98.00 / pkg of 100
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04EF #10 32 $24.00 / pkg of 100
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04C #6 32 $16.00 / pkg of 100
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04IF 3/8" 16 $151.00 / pkg of 100
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04G 1/4" 20 $47.00 / pkg of 100
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04D #8 32 $38.00 / pkg of 100
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Flange Hex Nuts, 18-8 Stainless Steel

Flange Hex Nuts, 18-8 Stainless Steel

2016-10-24 16:14:54 Hi-Line, Inc.
Flange hex nuts are made of 18-8 stainless steel. Serrations lock the nut in place to prevent vibration back-off or loosening and the wide flange distributes pressure over a larger surface area through the non-spinning washer.
Part No.
Diameter
Hex Size
Price  
677G 1/4 7/16 $9.00 / pkg of 50
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677H 5/16 1/2 $9.00 / pkg of 50
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677I 3/8 9/16 $18.00 / pkg of 50
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677K 1/2 3/4 $18.50 / pkg of 25
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Flanged Hex Nuts, Grade 2 Serrated Zinc Plated USS (Coarse) Thread

Flanged Hex Nuts, Grade 2 Serrated Zinc Plated USS (Coarse) Thread

2016-10-24 15:47:07 Hi-Line, Inc.
Flanged hex nuts distribute the load over a greater area and provide a serrated bottom to better grip the mounting surface and prevent loosening.
Part No.
Diameter
Grade
Price  
477C #6-32 2 $13.00 / pkg of 100
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477D #8-32 2 $13.00 / pkg of 100
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477E #10-24 2 $15.00 / pkg of 100
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477EF #10-32 2 $15.00 / pkg of 100
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477G 1/4"-20 2 $16.00 / pkg of 100
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477H 5/16"-18 2 $17.00 / pkg of 100
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477I 3/8"-16 2 $25.00 / pkg of 100
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477J 7/16"-14 2 $37.00 / pkg of 50
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477K 1/2"-13 2 $27.50 / pkg of 50
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477M 5/8"-11 2 $49.50 / pkg of 50
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477N 3/4"-10 2 $32.00 / pkg of 25
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Flanged Lock Nut, Grade G SAE (Fine) Thread

Flanged Lock Nut, Grade G SAE (Fine) Thread

2016-10-24 15:47:54 Hi-Line, Inc.
Flange lock nuts provide an alternative to nylon insert lock nuts without the temperature limitations. These flange lock nuts are made of Grade G steel (similar to Grade 8). For use with ASTM A325 structural bolts.
Part No.
Diameter
Thread Pitch
Price  
481N 9/16" 18 $46.60 / pkg of 10
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481I 3/8" 24 $27.00 / pkg of 25
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481K 7/16" 20 $42.75 / pkg of 25
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481G 1/4" 28 $18.00 / pkg of 25
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481M 1/2" 20 $31.90 / pkg of 10
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481H 5/16" 24 $22.25 / pkg of 25
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Flanged Lock Nut, Grade G USS (Coarse) Thread

Flanged Lock Nut, Grade G USS (Coarse) Thread

2016-10-24 15:48:32 Hi-Line, Inc.
Flange lock nuts provide an alternative to nylon insert lock nuts without the temperature limitations. These flange lock nuts are made of Grade G steel (similar to Grade 8). For use with ASTM A325 structural bolts.
Part No.
Diameter
Thread Pitch
Price  
480M 1/2" 13 $41.80 / pkg of 10
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480H 5/16" 18 $14.50 / pkg of 25
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480N 9/16" 12 $46.60 / pkg of 10
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480I 3/8" 16 $17.25 / pkg of 25
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480K 7/16" 14 $30.75 / pkg of 25
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480G 1/4" 20 $12.25 / pkg of 25
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Heavy-Duty Lock Nut, Grade C SAE (Fine) Thread

Heavy-Duty Lock Nut, Grade C SAE (Fine) Thread

2016-10-24 15:49:11 Hi-Line, Inc.
These low carbon steel SAE hex lock nuts are a great choice for structural applications.
Part No.
Diameter
Thread Pitch
Price  
07N 3/4" 16 $38.00 / pkg of 25
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07K 1/2" 20 $27.50 / pkg of 50
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07H 5/16" 24 $29.00 / pkg of 100
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07O 7/8" 14 $92.25 / pkg of 25
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07L 9/16" 18 $21.75 / pkg of 25
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07I 3/8" 24 $36.00 / pkg of 100
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07M 5/8" 18 $29.50 / pkg of 25
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07J 7/16" 20 $48.00 / pkg of 100
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07G 1/4" 28 $27.00 / pkg of 100
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Heavy-Duty Lock Nut, Grade C USS (Coarse) Thread

Heavy-Duty Lock Nut, Grade C USS (Coarse) Thread

2016-10-24 15:49:47 Hi-Line, Inc.
These Grade C hex lock nuts used with structural bolts and made of low carbon steel.
Part No.
Diameter
Thread Pitch
Price  
03O 7/8" 9 $33.20 / pkg of 10
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03L 9/16" 12 $20.00 / pkg of 25
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03I 3/8" 16 $34.00 / pkg of 100
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03P 1" 8 $42.20 / pkg of 10
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03M 5/8" 11 $27.50 / pkg of 25
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03J 7/16" 14 $45.00 / pkg of 100
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03G 1/4" 20 $24.00 / pkg of 100
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03N 3/4" 10 $50.25 / pkg of 25
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03K 1/2" 13 $26.00 / pkg of 50
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03H 5/16" 18 $25.00 / pkg of 100
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Hex Finish Nuts, 316 Stainless Steel

Hex Finish Nuts, 316 Stainless Steel

2016-10-24 16:14:35 Hi-Line, Inc.
Hex finish nuts are made of non-magnetic, corrosion resistant 316 stainless steel. Typically used for many fastening applications or mechanically joining materials together with hex cap screws, socket screws, and bolts.
Part No.
Diameter
Hex Size
Price  
350GX 1/4 7/16 $28.00 / pkg of 100
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350HX 5/16 1/2 $41.00 / pkg of 100
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350IX 3/8 9/16 $57.00 / pkg of 100
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350JX 7/16 11/16 $123.00 / pkg of 100
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350KX 1/2 3/4 $137.00 / pkg of 100
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350MX 5/8 15/16 $30.10 / pkg of 10
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350NX 3/4'-10 1-1/8 $37.10 / pkg of 10
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Hex Machine Nuts, 316 Stainless Steel

Hex Machine Nuts, 316 Stainless Steel

2016-10-24 15:50:29 Hi-Line, Inc.
Hex machine nuts are made of non-magnetic, corrosion resistant 316 stainless steel. Perfect for fresh/salt water applications, food processing equipment, boats, docks, oil gas, and refining plants.
Part No.
Diameter
Hex Size
Price  
350C #6-32 5/16 $33.00 / pkg of 100
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350D #8-32 11/32 $41.00 / pkg of 100
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350E #10-24 3/8 $44.00 / pkg of 100
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350EF #10-32 3/8 $44.00 / pkg of 100
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350F #12-24 7/16 $50.00 / pkg of 50
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350G 1/4 7/16 $51.50 / pkg of 50
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Hex Nuts, 18-8 Stainless Steel
Part No.
Diameter
Thread Pitch
Price  
50D #8 32 $13.00 / pkg of 100
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50H 5/16 18 $35.00 / pkg of 100
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50KF 1/2 20 $24.50 / pkg of 25
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50M 5/8 11 $92.75 / pkg of 25
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50F #12 24 $19.00 / pkg of 100
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50E #10 24 $13.00 / pkg of 100
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50I 3/8 16 $27.00 / pkg of 50
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50N 3/4 10 $31.70 / pkg of 10
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50J 7/16 14 $53.50 / pkg of 50
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50EF #10 32 $14.00 / pkg of 100
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50C #6 32 $16.00 / pkg of 100
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