Bridge T.C.T Hollow Drill Bit for Sale
Bridge T.C.T Hollow drill bit for sale
Specifications
Hollow drill bit
T.C.T super tungsten carbide inserts
High speed, high efficiency etc.
Rail, bridge, ship, armor plate
When you want to drill holes on rail, bridge, ship or armor plate with dynamic equipment surrounding, please use hollow drill bit (magnetic drill bit).
Hollow drill bit, specified as hard alloy and good performance high-speed steel by material structure, has small bulk, light weight, high speed and high efficiency and call directly drill on the inclined plane and half-hole drill and pare along the steel edge.
These are unique characters that common twist drill bits don’t own. Hollow drill bit is a series of special drilling and paring implement that designed and fabricated for railway repair and regular maintenance construction.

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