SD6A 8 spline 322mm DTH hammer bits for Drilling Description 1. Long life of the drill bit: the alloy just has a long service life and is higher than similar products; 2. High drilling efficiency: the drill ... Read More
DTH Spare Parts for Thread R38 Forging Alloy Steel Quarrying and Ore Mining and Well Drilling Description new diamond uses only the optimal steel in producing its hole openers too,which will give you hour after ... Read More