Sell Down The Hole Bits

详情

Description：DTH Drill Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special “stress relief” processes ensure
consistent performance.
DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration
rate.
Our bits are interchangeable with Atlas Copco’s COP*2 *4 *4 *4 *4 *4, Ingersoll-Rand ‘s DHD3.5,DHD3.5HD, DHD **0A , DHD**0R, DHD **0, DHD**0 QL*0, QL*0 , QL*0, QL*0.

1. High penetration rate
2. Excellent flushing, straightness and hole quality.
3. Low sound level .