down the hole drill bits online manufacture

Product name: 478mm MRS410 N125 Shank Concentric Casing Drilling System Bit For Coal Mining Equipment OD of casing pipe: 410mm Operating this advanced equipment is a breeze, thanks to its user-friendly design. ... Read More

Product Description: The DTH Button Bits is a top-quality drilling bit designed to optimize drilling performance for various applications. This product is a must-have in the arsenal of any professional or DIY ... Read More

Product Description: The DTH button bits are essential tools for water well drilling projects, designed to provide efficient and precise drilling performance. With a shank diameter of 1/2 inch, these durable ... Read More

Product Description: The DTH Button Bits are high-quality drilling bits designed for efficient and precise drilling operations. These down the hole bits are specifically crafted to provide exceptional ... Read More

Product name:219mm MRS Wiggle reamer symmetric casing drilling bit in miningOD of casing pipe: 219mmThey are designed for economic cost of drilling in simultaneous casing advancement.The wings are retracted by ... Read More

Product name: Single-use 127mm Overburden Casing drilling ringbit Product category: Overburden casing drilling system Matched hammer: Hammer DHD340 Matched casing pipe OD: 127mm Single-use Overburden Casing ... Read More

Product name: 136mm MK3E127 Overburden Casing Drilling System Bit For Piling,Quarry,Construction,Mining Casing pipe OD: 127mm Optimal drilling performance in unstable ground conditions. The eccentric bit can be ... Read More

Product name: 530mm MRS460 Concentric Casing Drilling System Bit With SD18 Shank For Geothermal Wells OD of casing pipe: 460mm MRS Concentric Casing Drilling Bit, a cutting-edge solution that truly stands out ... Read More

Product name: 580mm MRS510 Concentric Casing Drilling System Bit With N180 Shank For Harbour Project OD of casing pipe: 510mm Rest assured, the MRS Concentric Casing Drilling Bit offers a level of stability and ... Read More

Product Name: 188mm MRE140 DHD350 Hammer Shank Overburden Concentric Casing Drilling System For Construction Machinery Matched hammer: Hammer DHD350 Matched casing pipe OD: 140mm MRE Concentric under reaming ... Read More