80292 Type 190-ACN HSS 135Â degree Split Point NAS 907B TiCN Coated Jobber Length Drill Bit (6 pack) 12.8mm The Durawhip® was designed to

The Durawhip® was designed to be installed on a jackhammer as a lightweight whip hose

self-centering design for use in through-bored components with extremely high torque and/or bending requirements

Grip Ring or Collet 300 series Stainless Steel

Please Note: These units work best with intermittent

These chucks contain either open or closed checks

80292 Type 190-ACN HSS 135Â degree Split Point NAS 907B TiCN Coated Jobber Length Drill Bit (6 pack) 12.8mm The Durawhip® was designed toHeavy 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)