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decorative copper
5mm Brilliant Diamond Hole Saw
Our range features a uniquely engineered torsion zone with multi-stage hardening and tempering to dissipate damaging peak loads
Manufactured from premium quality high speed steel with double fluted ground cutting edges for long service life
Tru-plate fully hardened and tempered steel body is precision balanced to run truer
4-30mm 3 Pce Spiral Flute HSS Cobalt Step Drill Set decorative copper4 30mm 3 Pce Spiral Flute HSS Cobalt Step Drill Set HSS Co5 (Cobalt) Titanium Aluminium Nitride Coated (TiAlN) Spiral Flute Step Drill Set Bordo Cobalt Spiral Flute Titanium Aluminium Nitride (TiAlN) coated step drills offer unparalleled performance when drilling hard metals such as stainless steel. HSS Co5 material provides increased performance and tool life when machining tough steels. Bordo step drills are ideal for electrical contractors,