3/8" x 6" Cobalt Aircraft Extension Drill Bit Shopify Collective Part Number: EZ-EK21515

Part Number: EZ-EK21515

Part Number: BIT-STE4

Part Number D/ACO55/64

Constructed of industrial grade high-speed molybdenum steel

Meets or exceeds industry specification ANSI/ASME B107

3/8" x 6" Cobalt Aircraft Extension Drill Bit Shopify Collective Part Number: EZ-EK21515Product 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