6Pcs HSS Bronze Coated Step Drill Bit With Center Punch Drill Set Hole Cutter Drilling Tool

Descriptions 6Pcs HSS Bronze Coated Step Drill Bit With Center Punch Drill Set Hole Cutter Drilling Tool Specifications Type Core Drill BitMaterail High Speed SteelCoating Nano Blue Coated Size Total Length x Shank Dia x Shank Length 3 16 1 2 Approx 57mm x 6mm x 24mm1 8 1 2 Approx 77mm x6mm x 24mm1 4 3 4 Approx 73mm x 9mm x 24mm3 16 7 8 Approx 77mm x 9mm x 24mm1 4 1 3 8 Approx 76mm x 9mm x 24mm Size Including 3 16 1 2 3 16 1 4 5 16 3 8 7 16 1 21 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 21 4 3 4 1 4 5 16 3 8 7 16 1 2 9 16 5 8 11 16 3 43 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 81 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 Features This is the new HSS steel large step cone drill titanium bit set hole cutter Which is made from high quality HSS steel and with the bronze 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 Package Included 1 Box 5pcs X Step Drill Bit Set More Details