#1 x 12" Cobalt Aircraft Extension Drill Bit Shopify Collective Sturdy Die-Cast Housing

Sturdy Die-Cast Housing

and 10 inch extensions add length to access hard-to-reach fasteners • Spring-loaded detent ball securely latches onto sockets

Taper Size: 7/8"

18-8 Stainless Steel Button Socket Cap Screws 1/4 5/16 3/8

Part Number: BIT-KFD27/64

#1 x 12" Cobalt Aircraft Extension Drill Bit Shopify Collective Sturdy Die-Cast HousingProduct 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