Сверло из высокопрочной стали для сверления верхних молотков

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 64mm to 102mm(2 1/2”-4”). 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. 

Reaming ring of reaming tools, a second relief is formed contiguous with the first face on each reamer portion and is disposed at a second angle, less than the first angle with respect to the flute surface.