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For 17 years, ProDrill only focus in manufacturing of high quality Rock Drilling Tools.
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0086-18959243380Rock drilling tools manufacturer ProDrill’s rock drill bits: Reaming tools made from high alloy steel and tungsten carbide as same grade as internationally well-known brand
Apply “hot (thermal) -insertion” processing procedure to insert the buttons as same as internationally well-known brand
Features:
Entire CNC processing procedure ensure the quality consistency
Military grade requirements of heat-treatment guarantee durability
Fast penetration rates, and straight and clean hole quality. Long life of drilling holes.
A reaming bit functions to enlarge a borehole and it is designed with a drill portion and a reamer portion. The drill portion is formed by cutting edges at the end of a plurality of flutes, and the reamer portion includes pilot adapter a first relief formed on each flute surface disposed at a predetermined angle with respect to the flute surface to form a first reamer cutting edge.