3/8" x 12" Cobalt Aircraft Extension Drill Bit Shopify Collective or compromises

or compromises

Tin coated jobber drills have super hard titanium nitride surface treatment improves drill life

Part Number: 50C250LSHCSABO

and square insulated drivers

Diameter/Pitch: 1"-14

3/8" x 12" Cobalt Aircraft Extension Drill Bit Shopify Collective or compromisesProduct 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