Countersinks & Step Drills
A collection page of MTN Shop UK
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Published
2026/08/27
About
Discover our range of countersinks and step drills from Faithfull, DEWALT, Halls, IRWIN, BlueSpot Tools, Dormer and Trend, covering HSS, carbon steel, hex shank and TCT countersinks alongside step drills from 4mm up to 42mm. A countersink shapes a recess at the top of a drilled hole so a screw head sits flush or below the surface, while a step drill cuts a progressive range of hole diameters with a single tool. Both solve common finishing and hole-sizing problems that a standard twist drill bit can't handle on its own.