4-30mm 3 Pce Spiral Flute HSS Cobalt Step Drill Set decorative copper

decorative copper

small production runs and when minimal material exists around the hole to be tapped

5mm Brilliant Diamond Hole Saw

Tru-plate fully hardened and tempered steel body is precision balanced to run truer

Faster penetration reduces abrasion and friction along the cutting edges

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,