Annular Cutter,Core drilling bit, train drill
Detailed Product Description
Annualar Cutter, HSSE, HSS.
High Speed Steel Hollow Drilling (of multi-plate drilling, coring drill)
Hollow drilling, is a new type of drilling tools, which support Magnetic Drill Block, the large steel components can be anywhere drilling, efficiency is Twist Drill-10 times, can be controlled in the 0-0.05 mm tolerance, but also a reaming, drilling half hole, ramps, and other unique features of faces.
Widely used in railways, bridges, ship building, boilers, machinery manufacturing, environmental protection, oil and gas pipeline industries!