Feature(may vary by option.)
●HSS titanium coating: the step drill is made of high-speed steel 4241 and a titanium coating, which provides excellent wear resistance and sharpness, reduces friction and extends the service life. Tip: During high-speed operation, heat is generated and water or coolant must be added.
●14-step metal drill: Unique stair structure, a drill for opening a variety of holes without changing the drill. 14 sizes: 4 - 42 mm (4, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42 mm)
●Safety and stability: 118° X-shaped tip drill and triangular shaft design, effectively reduce the slipping of the cone drill bit by self-centring. The double-edged design reduces cutting resistance and allows material particles to escape easily for a cleaner drilling process.
●A must for DIY enthusiasts or professionals: the peeling drill is perfect for DIY enthusiasts and light work and is perfect for drilling holes in wood, plastic, aluminium alloys, copper and more with a thickness of up to 4 mm. Note: Not available for stainless steel.
●Adaptable: Whether cordless screwdriver, hand drill or vertical drill, the 9.5 mm triangular shaft fits into any standard drill chuck. Note: the larger the hole diameter, the slower the drilling speed, the recommended drilling speed is 200-800 RPM.
[Drill 6-60 mm]
[Drill 4-42 mm]
Description
Use and care tips:
1:Always use goggles, face shield and gloves when using a drill.
2: During high-speed operation, heat is generated, so do not touch with hands.
3:Heat is generated during high-speed operation, please be sure to add water or coolant.
4: To extend the life of the step drill, please do not adjust the drilling speed too high, it is recommended that non-ferrous metals: 500-800 rpm, plastics: 200-600 rpm.
Package Content: 1 x HSS Step Drill Bit 4-42mm