5Pcs Step Drill Bit HSS High Speed Steel Titanium Coated 50 Sizes Set with Aluminum Case

Description

Product discribtion: Material: High Speed Steel with durable Cobalt Coat weight:460g Color:Gold Quantity: 5pcs/set Size(Total Length*Shank Diameter): 1/4- 1-3/8 inch: approx. 70x8mm 3/16- 7/8 inch: approx. 70x8mm 1/4- 3/4 inch: approx. 66x8mm 1/8- 1/2 inch: approx. 70x6mm 3/16- 1/2 inch: approx. 55x6mm The sizes of five cutters Come : 1/4- 1-3/8 (inch): 10 Steps (1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1 1/8", 1 1/4", 1 3/8") 3/16- 7/8 (inch): 12 Steps (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- 3/4 (inch): 9 Steps (1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4") 1/8- 1/2 (inch): 13 Steps (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") 3/16- 1/2(inch): 6 Steps (3/16", 1/4", 5/16", 3/8", 7/16", 1/2") Packaged included: 5 x Drill Bits