16mm Reduced Shank Drill Bit, 5/8" Drill Bit High Speed Steel HSS 6541 Black Oxide with 1/2 Inch Straight Shank- Perfect for Drilling Steel,Copper,Aluminum Alloy
【Black Oxide Surface】Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge. The surface coating can also better protect the reduced shank drill bit sets from corrosion and expand their life.
【Sharper & Hard】Made of High Speed Steel 6542 material, the reduced shank drill bit is hard enough, anti-bending and will not fracture easily. The sharp cutting edge and spiral flutes promote faster as well as preciser drilling. Helping you work more efficiently and get rid of glitches or scrap.
【Reduced Shank】Reduced shank drill bit expand the size range capacity of a portable drill chuck. Common flute and overall length allow minimal adjustment when changing tools.
【Wide Applications】Our reduced shank drill bit has various sizes and can meet your needs for drilling glass, stainless steel, metal and wood materials, etc. They can be clamped to manual and electric drilling tools, widely used in household or processing industries.