Purchase Qty. Reference FOB Price
5-19 Pieces US$380.00
20-49 Pieces US$370.00
50+ Pieces US$350.00
Product Description
SD6-172mm DTH Button Bits for Water Drilling Mining And Drifting Tunneling 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 ...