Email: sales@prodrill.com.cn
Tel:0086-18959243380
Addr: Room 805 C1 Wanda Plaza, No.5 Jinzhong Road, Huli District, Xiamen, China
Reaming bit with pilot adapter SR28-76mm
- Thread: SR28
- Diameter: 76mm
- Gauge Buttons: 10MM*8
- Front Buttons: 10MM*4
- Steel grade:45CrNi
- Carbide Brand and Grade:YK05
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.
Reaming bit with pilot adapter SR28-76mm
Pilot adapter, Reamer ring.
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.
Assembly
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.