21/64" x 12" Cobalt Aircraft Extension Drill Bit Shopify Collective expansion feature permits reamer to

expansion feature permits reamer to be resharpened many times to its original diameter therefore saving on replacement costs

chrome-plated finish is easy to clean and highly resistant to corrosion • Beveled drive ends help guide extension smoothly onto drive tool • Radiused corners inside drive avoid stress concentrations that can cause cracking

as opposed to the standard bit length of 25 mm

Phillips Flat & Round Wood Screws Zinc Plated

Part Number: 62X300DPAPL

21/64" x 12" Cobalt Aircraft Extension Drill Bit Shopify Collective expansion feature permits reamer toProduct 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