Metric Nuts & Bolts are manufactured to metric measurements. They are fastener specification of choice in most parts of the world with the exception of the United States. They are commonly used in every industry. The United States have been incorporating Metric standards for at least fifty years, but most products designed and built in the United States still use US standard specifications. Products of global manufactures designed for the United States will be a combination of US and Metric standards or all Metric Standards.
What are the advantages of using a Metric Nut & Bolt over a Standard Nut & Bolt?
The main reason would be that Metric Nuts & Bolts are the world standard. This makes the compatibility of joining two parts made in different countries no problem. The flexibility of grade strengths is another reason Metric Nuts & Bolts are used.
What are the most common grades of Metric Nuts & Bolts?
- 4.6 — low or medium carbon steel
- 5.8 — low or medium carbon steel. Cold worked
- 8.8 — medium carbon steel, quenched and tempered
- 10.9 — medium carbon alloy steel, quenched and tempered
- 12.9 — alloy steel, quenched and tempered
What are the most common head styles on Metric Bolts?
- Hex Head
- Button Head
- Flat Head
- Socket Head
- Flanged Hex Head
What are the most common styles on Metric Nuts?
- Hex
- Flanged
- Nylon Inserted Lock-Nut
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