Dies are manufactured with a thread chamfer to aid starting
The intersection of the hole and cone form the cutting edge on the tool
8mm Brilliant Diamond Hole Saw
Ideally the drill should be Left Hand" which will prevent further tightening of the fixing during drilling
Cemented carbide insert is an alloy of Tungsten Carbide (WC) and Cobalt (Co)
Saber Essential 4 - 32mm HSS Spiral Flute TiN Coated Step Drill Dies are manufactured with aSaber Essential 4 32mm HSS Spiral Flute TiN Coated Step Drill Saber step drills are ideal for electrical contractors, sheetmetal workers and auto mechanics. 1 4" hex shank for fast tool changing in impact drivers and quick change adaptors. Step drills are designed for drilling repetitive holes in steel, stainless steel, copper, brass, aluminium, plastic, plexiglas, laminates and many other thin materials. Manufactured from premium quality high speed