Gold Finish TiN Coating (Titanium Nitride) helps to dissipate heat and reduces friction and cold welding
Lightly tap screw extractor into hole and turn anti-clockwise with a tap wrench or spanner
Ideally the drill should be "Left Hand" which will prevent further tightening of the fixing during drilling
Complies with DIN EN 12413 European standard and AS1788
Includes 1 pin to suit the cutters
Saber Spiral Flute 3pce Step Drill Set Gold Finish TiN Coating (TitaniumSaber 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