Metal Countersink Drill Bit Set 10-in-1 with Depth Stop, 4 Reversible Heads & Vertical Pilot Adjustable - Hex Shank & Phillips Bit for Hardened Steel/Woodworking, Hex Key & Chamfer Tool Includ Conduit Fittings which are also good choices

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Metal Countersink Drill Bit Set 10-in-1 with Depth Stop, 4 Reversible Heads & Vertical Pilot Adjustable - Hex Shank & Phillips Bit for Hardened Steel/Woodworking, Hex Key & Chamfer Tool Includ Conduit Fittings which are also good choicesAbout this item 10 IN 1 METAL COUNTERSINK SYSTEM: 1main body, 4 drii bits (HSS), 4 reversible countersink heads (HSS) (8 sizes) + 1 countersink bit (HSS), 1 depth stop set, 1 chamfer tool,1phillips bit. 9 precision hole options, breakthrough for ? hardened steel stainless alloys, outperforming wood only competitors. 0. 5MM DEPTH CONTROL: Hex Key Accurated Stop Prevents Over Drilling & Burrs? Integrated depth stop with included hex key achieves ??0.