![]() |
Thread 3 1/2'' API REG 190mm Mining Drill Bits For DTH Drilling2021-01-15 11:40:34 |
![]() |
10" Down The Hole Drilling Tool SD10 Dth Hammer Bit For Hole Drilling2019-08-14 15:20:01 |
![]() |
High Performance Numa100 Dth Drill Bit Diameter 254mm For Drilling Use2019-08-14 15:20:01 |
![]() |
Alloy Steel Reverse Circulation Drill Bit 84mm dia For Geothermal Well2022-07-15 14:51:27 |
![]() |
Steel Grade SD6 Rock Drill Bit 2.5Mpa For Hard Rock Drilling2022-07-15 11:11:29 |