#20 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Part Number DWRRHD19/32

Part Number DWRRHD19/32

Part Number DWDN5/8

Pilot for 2" Carbide Tipped Annular Cutter Qualtech

and scribing

Each style is designed for specific cutting tasks

#20 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Part Number DWRRHD19/32Product 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