H22 Taper Drilling Button Bits 7buttons 2 or 3 Flushing Holes for Rock Boring in Mine Quarry Site

H22 Taper Drilling Button Bits 7buttons 2 or 3 Flushing Holes for Rock Boring in Mine Quarry Site. Versatile Bit Designs: Offers Taper Chisel, Cross, and Button bits for various rock drilling conditions. High Efficiency Button Bits: Features hemispherical, conical, and parabolic carbide inserts for superior drilling speed. Wide Diameter Range: Available in diameters from 20mm to 55mm to suit different drilling requirements. Durable Alloy Steel Material: Constructed from high carbon steel with forging process and spray-paint treatment. Flexible Customization: Provides full customization, minor customization, and options from samples or designs. Multiple Socket Sizes: Compatible with socket inside diameters of 19mm, 22mm, and 25mm. ISO 9001 Certified: Manufacturing process adheres to ISO 9001:2000 standards for quality assurance.