R15E 015005 R15 Jobber Drill

These high speed jobber drill bits are best for a hard surface.These types of drill bits are made to withstand the heat and the force that a hard surface will provide.Precision Twist Drill Jobber Length Drill Bit, General PurposeSeries: R15, Imperial, E Drill - Letter, 0.25 in Drill - Decimal Inch, 4 in Overall Length, 4XD Cutting Depth, 2 Flutes, Spiral Flute, 2-3/4 in Flute Length, 1/4 in Shank, Straight Shank, 118 deg Point, Conventional Point, Right Hand Cutting Direction, HSS Cutting Edge, No Through Coolant, HSS, Steam Tempered, Dark GrayApplicable Materials: Magnetic Soft Steel, Structural Steel/Case Carburizing Steel, Plain Carbon Steel, Alloy Steel/Hardened and Tempered Steel, Free Machining Stainless Steel, Ferritic + Austenitic, Graphite/Malleable Cast Iron, Titanium, Nickel, Copper, Brass and Bronze