Integral reaming drill bit R25 29-76mm

Rock 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

Polit Adaptors with T.C. Tipped head and Reaming Button Bits with diameters 29mm to 76mm. Other Reaming Equipment is available for larger hole size requirements.

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.