#47 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Spiral flute screw extractors are

Spiral flute screw extractors are made of hardened carbon steel and are used expressly for removing broken or seized screws

Part Number: BIT-KFDY

Part Number: 56C400HCSSS/316

The smaller flat end keys are made from 8660 nickel chromium molybdenum steel that's heat-treated to 54–58 HRC and the larger flat end keys are made from 6150 chromium vanadium steel that's heat-treated to 44–50 HRC

Part Number: EZ-SK20715

#47 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Spiral flute screw extractors areProduct Description Cobalt drill bits are are effective in drilling tough, high tensile strength materials such as cast iron, inconel, stainless steel and titanium. They display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel. They have a 135 split point tip for fast penetration and accurate drilling. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. Ideal for drilling