
High Frequency Welded Diamond Drill Bit 89mm Od 450mm Length. Premium Diamond Segments: Sharp cutting, high wear resistance, and longer service life for lower operating costs. High Drilling Efficiency: Fast penetration with no jamming, greatly improving construction speed. Precision Sintering Tech: Strong segment bonding ensures no breakage or falling off during stable drilling. Wide Material Compatibility: Works effectively on concrete, reinforced concrete, brick, stone, and other hard materials. Flexible Customization: Supports customized size, material, and packaging to meet specific requirements. Direct Factory Supply: In-house production with full range of sizes, ready stock, and competitive pricing. Extended Service Life: Service life is 30%-50% longer than ordinary drill bits under same working conditions. 100% Quality Inspection: Strict visual and function inspection ensures product reliability before shipment.