Diameter (mm): 3.2.
Total length: 86 mm.
Spiral length (mm): 36
Tip angle: 118°.
Cutting material: HSS
Coating: titanium nitride.
Tool holder: 1/4 inch hexagon.
Tools with 1/4 inch hex shank are mostly used on impact wrenches or cordless screwdrivers. However, they can also be clamped on normal keyless chucks or cog drill chucks. The hexagonal shape ensures a non-slip hold in the drill chuck, so greater power transmission is possible