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Specification:Size x Total Length x Shank Dia x Shank Length3/16-1/2 xApprox 57mm xApprox6mm xApprox24mm1/8-1/2 xApprox77mm xApprox 6mm xApprox 24mm1/4-3/4 xApprox73mm xApprox 9mm xApprox 24mm3/16-7/8 xApprox77mm xApprox 9mm xApprox 24mm1/4- 1-3/8 xApprox76mm xApprox 9mm xApprox 24mmSize Including:3/16-1/2:3/16'', 1/4'', 5/16'', 3/8'', 7/16'', 1/2''1/8-1/2:1/8'', 5/32'', 3/16'', 7/32'', 1/4'', 9/32'', 5/16'', 11/32'', 3/8'', 13/32'', 7/16'', 15/32'', 1/2''1/4-3/4:1/4'', 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', 5/8'', 11/16'', 3/4''3/16-7/8:3/16'', 1/4'', 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', 5/8'', 11/16'', 3/4'', 13/16'', 7/8''1/4- 1-3/8:1/4'', 3/8'', 1/2'', 5/8'', 3/4'', 7/8'', 1'', 1-1/8'', 1-1/4'', 1-3/8''Package Including:1 Box Step Drill Bit SetIf you have any questions, please feel free to contact us, thank you!
Type: Core Drill Bit
Materail: HSS High Speed Steel; Coated: Cobalt
This is the New HSS Steel Large Step Cone Drill Cobalt Bit Set Hole Cutter.
which is made from high quality HSS steel, and with the Titanium coated to reduce friction and heat.
It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.
