M42 Cobalt for better performance in harder to drill materials.135 Degree Point Cobalt Drill BitSplit PointIndustry Standard Type-J Cobalt Drill BitBronze / Straw ColorIndented shank indentifies drill bits as cobaltScrew Machine LengthCobaltStandard Wire Size Drill BitsALTiN Coated for Maximum Tool Life.
Drill Bit Size Wire 52 Drill Point Angle Degrees 135 Drill Bit Material High Speed Steel Drill Bit FinishCoating Gold Finish Flute Type Spiral Flute Cutting Direction Right Hand Shank Type Straight Coolant Through No These Premium HSS drills can be used in a variety of applications Their surface treatment increases abrasion resistance, which reduces the amount of chip welding and improves chip flow 30Deg helix angle 135Deg split point.
2-Flute - 118° Point - 1510 4-Facet Point Drills, RH Spiral, Four Facet, Stub, This drill is the preferred design for screw machine and Swiss lathe applications.