Drills are Titanium Carbon Nitride (TiCN) coated. TiCN is harder and has a lower coefficient of friction then Titanium Nitride coating recommended were moderate temperatures are generated. Manufactured to NAS 907B aerospace specification.

Type 190-ACN NAS 907B
Manufactured from special high speed steel. The 135° split point is self-centering for reducing thrust and easier penetration. Heavy-duty construction for drilling in tougher materials, with exceptional oxidation resistance and extreme hardness.
Drills are Titanium Carbon Nitride (TiCN) coated. TiCN is harder and has a lower coefficient of friction then Titanium Nitride coating recommended were moderate temperatures are generated. Manufactured to NAS 907B aerospace specification.
Set includes 1/16" thru 1/2" by 32nds. Organized in an Indexed Metal Case.
| Item Number | NSM3694 |
|---|---|
| MPN | 81182 |
| UPC | 050728811822 |
| Weight | 1.950000 |
| Country of Manufacture | United States |
| Brand | Norseman Drill & Tool |
| Free Shipping | Free Shipping on $50+ Order |
| Item Returns | This item can be returned |
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