Standard Step Drills
High Speed Steel & Titanium Nitride Coated
This drill has an exclusive single radial concave flute
that allows drilling of round holes in thin materials.
For use in drilling copper, brass, aluminum, thin steels,
plastic, laminates, and drilling hard or abrasive materials.
- - Multiple diameters in one tool
- Can be used to deburr holes
- Can be used to enlarge holes

Cap Screw Clearance Hole

Cobalt

For Drillinersinking 82 Degree Flat Head Machine Screw Clearance Holesg and Count

For Drilling 45 Degree Chamfered Holes To-Be-Tapped

Standard Step Drill Set

Taper Length 45 Degree & Cap Screw Clearance