Irwin Unibit Step Drill Set, 3-Pc, HSS #1/#2/#3 (1 ST / ST) Specifications
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Applicable Materials:Stainless Steel; Copper; Brass; Aluminum; Plastic; Laminates
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Cutting Edge Material:HSS
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Includes:(1) Step Drill Bit 1/8 in to 1/2 in; (1) Step Drill Bit 3/16 in to 1/2 in; (1) Step Drill Bit 1/4 in to 3/4 in
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Quantity:3 per set
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Shank Diam [Nom]:1/4 in; 3/8 in
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Shank Type:Flat
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Type:Step Drill Set
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Description
Single-flute cutting edge for greater control through steps
Three flatted shank prevents slipping in drill chuck
Non-skid self-starting tip eliminates skidding and the need for center punching
Three flatted shank prevents slipping in drill chuck
Non-skid self-starting tip eliminates skidding and the need for center punching