#12 x 12" Cobalt Aircraft Extension Drill Bit Shopify Collective • Drive Out and Insert

• Drive Out and Insert Solid Pins – The long

flat-end side drive for breaking loose fasteners

Part Number D/AMMCO15

High Temp Automotive Work

#12 x 12" Cobalt Aircraft Extension Drill Bit Shopify Collective • Drive Out and InsertProduct 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