Nq+2 H9 Impregnated Core Drill Bits

Nq+2 H9 Impregnated Core Drill Bits. 15mm Standard Matrix: DCDMA-standard 15mm height delivers 25-30% more drilling footage and superior durability. Extended Lifespan: Unique vacuum sintering and premium diamond powder significantly reduce replacement frequency by 2-3 times. Efficient Cooling Design: Evenly spaced water outlets with curved channels improve drainage, flush cuttings, and prevent overheating. Full Strata Coverage: 6 matrix series (H3-H13) cover soft to ultra-hard rocks, eliminating the need to switch bits for mixed strata. Flexible Customization: Supports custom crown height, water outlets, HRC, series, diameter, matrix, label, and logo. Fast Delivery Options: 3-7 working days for standard products; 20-25 days for customized; urgent orders shipped in 3 days.