Ideally the drill should be "Left Hand" which will prevent further tightening of the fixing during drilling
Delta Point tip design required a revolutionary re-think of drill tip function
Complies with DIN EN 12413 European standard and AS1788
Although these drill bits are not recommended for drilling vitrified porcelain
Industry leading premium quality stainless steel micro serrated blades
Saber Spiral Flute 3pce Step Drill Set Ideally the drill should beSaber Metric Spiral Flute Hex Shank HSS Step Drill Set Saber HSS Spiral Flute Hex Shank Step Drill Set Metric 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