Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks;
HSS drill Bits are successful in cutting hard metals such as stainless steel, copper, aluminum alloy, and also can be used for softer materials;
Smooth surface finish, long service life,wder using range and comes with edge clear function, make processing products have better surface finish.
وصف
8.8mm Diameter HSS Twist Straight Shank Drill Bit
The twist drill is cutting tool, control the speed is very important.
The bigger of the diameter,the speed will be slower.
If the speed too fast, the drill bit will be damaged.
Keep the drill vertical and fixation while drilling.