29 Piece Cobalt Jobber Length Drill Bit Set, 1/16" - 1/2", Round Bit Cooler Case, D/ACO Series Quantity:1 Cobalt screw machine drills (also

Cobalt screw machine drills (also know as stub or stubby drills) are manufactured to Aerospace Standard 907

• Extend Your Reach – Attach an extension to your drive tool to reach past obstructions or into tight spaces • Through-Hole Retention – The end of the extension has a through hole that requires a retaining pin and ring to securely connect to a socket or another accessory • Drive Tool Retention – Works with through-hole

Length Under Head: 140MM

ensuring that it won't bend under pressure

Part Number: 56F300HCSL9Y

29 Piece Cobalt Jobber Length Drill Bit Set, 1/16" - 1/2", Round Bit Cooler Case, D/ACO Series Quantity:1 Cobalt screw machine drills (alsoProduct 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. These drill bits are jobber (standard) length with a round shank for use in a wide range of tool holding systems. They have a 135 split point tip for fast penetration and