#21 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Part Number D/ACT17/64

Part Number D/ACT17/64

Part Number: BIT-DMS73-5009

• Sizes are marked both with a high-visibility laser marking and a permanent stamped marking that won't wear off • Deep 6-point socket openings provide an exact fit for hex fasteners • Radiused corners prevent fastener round-off by applying force to a fastener's flat sides

Part Number: DUR357-95

The single half-moon pawl maintains 9 teeth engaged with the gear at all times

#21 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Part Number D/ACT17/64Product 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