7/8" and 1-1/8" High Speed Steel Step Drill Bit - Unibit, Fractional, Self-Starting, 2-Hole

8778 MFG #: 10239
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  • FEATURES BENEFITS
  • LONG DESCRIPTION
Single-Flute Cutting Edge for Greater Control Through Steps; Hex Shank Prevents Slipping in Drill Chuck; Also Available with (Tin) Coating for Longer Life; New Speedpoint Tip Penetrates Faster than Previous Unibits and Prevents Walking; Ideal for Drilling Holes into Thin Materials Such as Stainless Steel, Copper, Brass, Aluminum, Plastic and Laminates
Stepped Cone Drill Bit; Type Self-Starting; Minimum Drill Size #9; Number of Sizes 2; Shank Type Hex; Shank Size 7/16"; Material HSS; Hole Diameter 7/8", 1-1/8"; Maximum Material Thickness 1/8"