Step Drill Bit 4 To 20mm M35 Spiral Flute 1 By 4 Hex Shank Coated For Metal And Wood from B&Q

Step Drill Bit 4 To 20mm M35 Spiral Flute 1 By 4 Hex Shank Coated For Metal And Wood from B&Q

B&Q

Step Drill Bit 4-20mm M35 Cobalt Spiral Flute with AlTiN CoatingThis durable step drill bit features 9 step sizes from 4 to 20mm for versatile drilling in metal, stainless steel, aluminum, and plastic. Made from M35 cobalt high-speed steel, it offers excellent hardness and wear resistance. The AlTiN coating improves heat and corrosion resistance for longer tool life. The 1/4" hex shank fits most drills, and the spiral flute design ensures smooth, fast cutting. Ideal for metalworking and DIY projects.Key Features:9 step sizes (4-20mm) for various hole diametersAlTiN coating for superior heat and wear resistanceM35 cobalt steel for cutting tough materialsSpiral flute and C-profile design for stability and faster cuttingSuitable for metals up to 3mm thickness, stainless steel up to 1mmUse cutting oil for best results and longer bit life.

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