Description
- 【 Titanium Coated Wear Resistant 】Step drill bit is made of steel and coated with titanium for high hardness and wear resistance. The drill bits for stainless steel can be used steadily for a long time, effectively prolonging its service life. Cone drill bit can easily cope with various drilling tasks
- 【 Fits Most Drill Bits 】Step drill bit for metal 1/4’(6.35mm) hex shank design fits most power and impact drills. Log splitter drill bit inserts securely into power tool chucks. Stepped drill bit prevents slippage for safer, more accurate drilling
- 【 Multi-Size Coverage 】The step drill bits are available in different hole sizes from 4mm to 32mm with optimum speed and precision. The step drill bit set includes 1 piece of 4-12mm, 1 piece of 4-20mm and 1 piece of 4-32mm to cover different hole sizes. The step bit cone cutter reduce the number of bit changes and improve working efficiency
- 【 Easy to Use 】The cone cutters for metal are designed to be simple and easy to use for both beginners and experienced users. Cobalt step drill do not require remembering different drill sizes or struggling to align different tools. This spiral drill bit set simply matches the desired hole diameter with the corresponding step and starts drilling. The clear markings on the hex drill hole cutters also help to quickly identify the diameter
- 【 Multifunctional 】Spiral groove step drill not only ream holes, but also deburr, chamfer and cut. Spiral drill bit step drill bits hex shank is suitable for use in impact drills, drill presses, electric drills and drivers
