HD SCREW MACHINE DRILL BIT 5/16

Morse Cutting Series 398 Heavy Duty Screw Machine Length Drill Bits are high speed steel bits that have a black oxide surface treatment to increase wear resistance and a short length for incresed hole accuracy. They have a standard flute, straight shank and a 135° self-centering, split point angle. They are designed for drilling a wide variety of low to medium tensile strength materials.