57/64" x 12" HSS Extra Long Drill Bit with 1/2" Shank Quantity:1 3 mm keys are too

3 mm keys are too small to laser mark and the 0

Drill Size: 21mm

Part Number: 100CNNESS/316

and 9 mm heads have 60-tooth ratcheting mechanisms

Shoulder Length: 50MM

57/64" x 12" HSS Extra Long Drill Bit with 1/2" Shank Quantity:1 3 mm keys are tooProduct Description Extra length dills are for general purpose drilling in applications where extra length is required for reach. They are designed to perform in a broad range of mateirals in the iron and steel families. These general purpose high speed steel drill bits are ideal for production, maintenance or portable drilling jobs. They are for use in a wide range of materials such as aluminum, brass, copper, metal, plastic and wood. They are made