This heavy-duty drill bit set is made of high speed steel. It includes a metal drill index, sizes #1 to #5, #10 to #60, is designed for use with alloy steel, carbon steel, cast iron, and meets ASME standards. This 1801 series jobber length drill bit set has a black oxide finish, and has wire measurements. It is non-coolant through. Plus it has two spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemDrill Set
Finish - MachiningSteam Oxide
Number of Drill Bits60
Drill Bit Point Angle135 Degrees
Flute TypeSpiral
Cutting DirectionRight Hand
Depth:Dia. Ratio4xD
Drill Length ClassJobber Length
Series1801
IncludesCase
Aircraft DrillNo
Drill Diameter Tolerance+0.0000/-0.0005 in to +0.0000/-0.0007 in