These drill bits are designed for drilling, tapping, countersinking and deburringwithout using multiple drilling tools. Save your processing steps and time costs to improve drilling efficiency!Made of high-speed steel with tapered tip and twist flutes, performing precise & smooth drilling without ‘walking’.
Multi-functional Design Structured with 2 twist flutes todrill, tap, and countersink all in one step! Also can be used for deburring.
Self-centering Drilling Drill directly without pre-drilling (center drilling). Save processing steps and time costs, improving drilling efficiency.
Tapered Design Prevents thread damage caused by over-drilling. Wide spiral flutes carry the chips out of the hole for neat, smooth drilling.
Ultimate Hardness Made of high-speed steel (HSS4341) to ensure excellent rust-resistance, high durability & sharpness. Also performs faster cutting comparing with high-carbon steel.
Wide Usage Suitable for drilling, tapping & cutting on wood, plastic & soft metal like aluminium, iron plate etc.
Universal Size Apply standard 1/4” hex shank to fit most power drills.
Material: High-speed Steel
Shank：1/4” Hex shank
Size as below:
1 x HSS Drill & Tap Bit
1 x M3x0.5mm Drill Bit
1 x M4x0.7mm Drill Bit
1 x M5x0.8mm Drill Bit
1 x M6x1mm Drill Bit
1 x M8x1.25mm Drill Bit
1 x M10x1.5mm Drill Bit
1 x HSS Drill & Tap Bit (M3 / M4 / M5 / M6 / M8 / M10)