Bq H11 Impregnated Core Drill Bits

Bq H11 Impregnated Core Drill Bits. Extended Drill Bit Lifespan: 15mm standard crown height increases lifespan by 2-3 times compared to industry average. Optimized Water Outlet Design: Evenly spaced outlets with curved channels reduce resistance and prevent overheating. Wide Series Compatibility: Supports Wireline, T, TT, T6, B, MLC, LTK, WF, TW, WT, WG, WM, and Chinese standard sizes. Multi-Hardness Matrix Options: Six series (H3-H13) cover soft to extremely hard rock strata without switching bits. Customizable Crown Height: Crown height customization is supported to meet specific drilling requirements. Customizable Water Outlets: Water outlet configuration can be customized for optimal drainage efficiency. Sample Fee Refund Policy: 100% refund of sample fee on next order if quantity is 50 pieces or more.