5PCS/Kit Step Bits for Metal Straight Groove Triangular Shank, 1/8'' to 1-3/8'' HSS 4241 Unibit Step Drill Bit Set, for Drilling Hard Metal Stainless Steel Aluminium Sheet Wood Plastic PVC
Special Features
Titanium plating to reduce friction and heat
Fluted design for faster, smoother and cleaner cuts
Suitable for cutting holes in a variety of materials including steel, brass, wood, plastic etc. Specification.
Material. HSS 4241 Grade 6. 3/16" to 1/2", (3/16", 1/4", 5/16", 3/8", 7/16", 1/2") Grade 9. 1/4" to 3/4", (1/4'', 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', 5/8", 11/16", 3/4" ) 10 steps. 1/4" to 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") 12 steps. 3/16" to 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")
All bits are packed in a well organised case for easy transport and storage.
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