Dormer A125 Extra Long HSS Spiral Drill Bit 11mm x 315mm, Pack of 1

The Dormer A125 Extra Long HSS Spiral Drill Bit measures 11 mm in diameter and 315 mm long, delivering deep‑hole accuracy for metal or composite work. Its high‑speed steel core resists wear, while the spiral flute efficiently evacuates chips for smooth cuts. The straight shank fits standard drill rigs, making it ideal for industrial machining and detailed hobby projects.

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