Drillpro 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 Bit Materail: High Speed Steel Coating: Nano Blue Coated
? Size:(Total Length x Shank Dia x Shank Length) 3/16-1/2: Approx 57mm x 6mm x 24mm 1/8-1/2: Approx 77mm x? 6mm x 24mm 1/4-3/4: Approx 73mm x 9mm x 24mm 3/16-7/8: Approx 77mm x 9mm x 24mm 1/4- 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'', 1/2'' 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'' ? 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:

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