#40x12" Cobalt Aircraft Extension Drill AB6599 50mm Depth of Cut Copperhead

50mm Depth of Cut Copperhead Carbide Tip Rotobroach Cutters feature a durable grade carbide insert for extended tool life when used with Hougen Mag Drills on abrasive and tough-to-cut materials

5mm HSS Drill Blank 0

Fixed drilling steps

Auto feed cut head-bent shaft

UNC Imperial 9/16 Nyloc Nut 25Pc Zinc QUALITY ASSURED DELIVERED FREIGHT FREE

#40x12" Cobalt Aircraft Extension Drill AB6599 50mm Depth of Cut CopperheadNational Aerospace Standard 907, Type J Cobalt Drills, 6" OAL with Jobber Drill Flute Length, Cobalt Extension Drill, Cobalt HSS, Surface Treated, 135 Split Point These cobalt jobbers length drills are used for drilling in tough, high tensile strength materials like stainless steels, titanium and inconel. They are made of cobalt high speed steel, with heavy duty flute construction and 135 split point.