Dormer A170 Series High Speed Steel Twist Drill Bit, 21.43mm Diameter, 152.4 mm Overall

The Dormer Reduced shank drill bit is suitable for drilling many materials. This reduced parallel shank drill bit allows this drill even with a large cutting diameter, to be clamped in conventional and hand held power tools. A 118 degree point makes regrinding easy. Steam tempered finish retains cutting fluid and prevents chip to tool welding.

Standard spiral flute design
Supports Dormer standards
High speed steel tool material
Right hand rotation and cutting
H8 Industry standard tool tolerance zone