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Step Drill Bit Set for Metal- 5PCS Titanium 4241 HSS Step Bit with Two Straight Flutes, 50 Sizes from 1/16″ to 1-3/8″ for Aluminum, Wood & Plastic, Unibit for Electricians & DIY Straight 5Pcs Set
The SEDIANAS 5PCS Titanium Step Drill Bit Set is built for makers, electricians, and DIYers who want one kit to cover a wide range of hole sizes without constantly swapping bits. With 5 step bits that collectively drill 50 sizes from 1/16" to 1-3/8", it’s a practical choice for enlarging holes or creating clean pass-throughs in common materials.
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Each bit is made from high speed steel (HSS) with a titanium finish and features two straight flutes designed for efficient chip evacuation and smoother cutting. The 3-flat shank design helps improve grip in the chuck to reduce slippage when working under higher torque.
5-piece step drill bit set drills 50 sizes from 1/16" to 1-3/8"
High speed steel (HSS) construction with titanium coating for heat/corrosion/rust resistance
Two straight flutes for faster chip removal and cleaner holes
3-flat (tri-flatted) shanks for stronger chuck grip and reduced slippage
Designed for multi-material use: steel sheet, aluminum, wood, and plastic
Included cutting diameter ranges: 1/4–1-3/8 in; 3/16–7/8 in; 1/4–3/4 in; 1/8–1/2 in; 3/16–1/2 in. Cutting angle: 118 degrees.
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