80992 Type 190-ACN HSS 135Â degree Split Point NAS 907B TiCN Coated Jobber Length Drill Bit (6 pack) 1.7mm Nylon offers a large temperature

Nylon offers a large temperature range of -60°F to +200°F

88 Series FR units are equipped standard with 40 micron elements

structure by transforming retained austenite into martensite

Hollow shaft bushing for increased bore flexibility

80992 Type 190-ACN HSS 135Â degree Split Point NAS 907B TiCN Coated Jobber Length Drill Bit (6 pack) 1.7mm Nylon offers a large temperatureHeavy duty construction for drilling in tougher materials Manufactured from premium high speed steel 135 split point is self centering for reducing thrust and easier penetration Provides exceptional oxidation resistance and extreme hardness TiCN is harder and has a lower coefficient of friction then TiN coating. Recommended where moderate temperatures are generated. Manufactured to NAS 907B aerospace specification Titanium carbon nitride (TiCN)