DTH Bits CIR 90-100

CIR70 CIR90 CIR110 Low Air Pressure DTH Drilling Button Bits

CIR series DTH hammer, a kind of valve-equipped Low Air Pressure hammer with single piston, a plate valve and a central exhaust structure. The compressed air is adopted as the driving force. To prevent dust pollution and get a better performance, some high-pressure water may be added into the air for wet rock drilling.

Code No.: CIR90-100

Diameter: 100mm

Gauge Buttons: 8

Front Buttons: 3

Carbide Design: Ballistic

Face Design: Convex

Shank Type: CIR

It is mainly featured in:

(1) Made from premium quality nickel-alloy steel 25SiMnCrNi2MoVA 
for increased durability and wear characteristics,  and YK 05 tungsten carbide as same grade as internationally well-known brand 
(2) Apply "hot (thermal) -insertion" processing procedure to insert the buttons as same as internationally well-known brand, 
(3) Entire CNC processing procedure ensure the quality consistency and reliable. 
(4) Military grade requirements of heat-treatment guarantee durability,Specific heat treatment standards and special "stress relief" processes ensure consistent performance.
(5) Designed for maximum performance and hole cleaning ability and high penetration rate. 

CIR series DTH hammer, a kind of valve-equipped Low Air Pressure hammer with single piston, a plate valve and a central exhaust structure. The compressed air is adopted as the driving force. To prevent dust pollution and get a better performance, some high-pressure water may be added into the air for wet rock drilling.

It is mainly featured in:

1. The strong energy of single impact and the low engergy consumption in rock crushing.

2. The weight ratio of piston and bit almost reaches 1:1 to provide long effective acting time, which leads to the improved efficiency in rock crushing and the extended service life of the drilling tool.

3. A good performance in central air exhaust and cutting discharge, which reduces the repeated crushing of rock.

4. A check valve device is available to drill holes under water.

The CIR series DTH hammer, an ideal drilling tool, is widely used in such industries relating to energy,transportation,metallurgy,building, etc...