81020 Type 190-ALN HSS 135Â degree Split Point NAS 907B TiAIN Coated Jobber Length Drill Bit (6 pack) 2.500" ID Flexeel Reinforced Polyurethane

Flexeel Reinforced Polyurethane

the CUCSFCS has a Hard Chrome bearing insert and a Stainless Steel housing

Note: This is the spec sheet for the version with cast iron housing and mild steel bearing insert

Size 63- 16mm Diameter x 40mm Usable Length

Operating Temperature -4 to 185 Deg

81020 Type 190-ALN HSS 135Â degree Split Point NAS 907B TiAIN Coated Jobber Length Drill Bit (6 pack) 2.500" ID Flexeel Reinforced PolyurethaneHeavy 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 aluminum nitride (TiAIN)