Ultra Touch HSS Step Drill Bit Set | Ranges of 4-12, 4-20, 4-32mm
Ultra Touch HSS Step Drill Bit Set | Ranges of 4-12, 4-20, 4-32mm
The Ultra Touch Step Drill Bit Set is a three-piece industrial-grade tool kit designed to drill holes of various diameters in thin materials without switching bits. The set includes bits with size ranges of 4–12mm, 4–20mm, and 4–32mm, allowing for a total of 15 to 32 different hole sizes depending on the specific increments.
FEATURES:
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Material: Made from high-speed steel (HSS) for durability and high-temperature resistance.
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Coating: Features a Titanium Nitride finish that reduces friction, prevents heat build-up, and can extend bit life by up to 4–5 times.
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Shank Design: Typically comes with a triangular or hex shank to prevent slipping in the drill chuck during high-torque operations.
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Weight: The total weight for the 3-piece set is approximately 250 grams.
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Flute Design: Often features a two-flute or spiral flute design for smoother cutting and faster chip removal, which results in cleaner holes with minimal burrs.







