Conical Fluted Straight Shank Twist Drills 深孔用—強力型直柄鑽頭
l Basic on HSE feartures heat and wear resistance.
l Surface is coated with TiN HV2000, featuring low friction coefficient, anti-adhere and superior cutting performance.
l Thick web design provides high rigidity, superior bending-resistance and minimum vibration
l Special shapes of helical flutes ensure excellent chip removal.〝X〞thinning reduces length of chisel edge and thrust load. The drills are ideal for deep hole drilling with depth over 3 times of drill diameter.
l Suitable for drilling General Steels, Alloy Steel and Cast Iron, etc.