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Threaded Rock Drill Button Bit for Quarrying Mining Thread Button Bit. Customizable Design: Acceptable customized design for specific drilling purposes and rock types. Wide Diameter Range: Available diameters from 43mm to 152mm for various drilling needs. Multiple Thread Types: Supports R28, R32, T38, T45, T51, and GT60 thread types. High Durability: Made of high-quality alloy steel and tungsten carbide for hard rock formations. Fast Delivery: Delivery time within 7-15 days for standard orders. Certified Quality: Certified with ISO9001, CE, and ISO 9001 standards. One Year Warranty: Comprehensive one-year warranty coverage for peace of mind. Low MOQ: Minimum order quantity starts from just 1 piece.