#51 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 exact fit for hex-shaped fastener

exact fit for hex-shaped fastener heads • Socket geometry is designed to apply force to flat sides of fasteners and not the corners

Length 7-1/4"

Part Number: EZ-31070

Made in the USA

Inch - Alloy Flat Head Socket Cap Screws Black Oxide Finish

#51 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 exact fit for hex-shaped fastenerProduct 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