Small Hole Rock Drilling Taper Button Bit H22/H25 D=32mm, 38mm, 40mm, 42mm 7buttons

Small Hole Rock Drilling Taper Button Bit H22/H25 D=32mm, 38mm, 40mm, 42mm 7buttons. Multiple Bit Designs: Available in taper chisel, cross, and button designs for various rock conditions. Wide Diameter Range: Diameters from 20mm to 55mm with socket sizes 19mm, 22mm, and 25mm. High-Quality Material: Manufactured from high carbon alloy steel with forging process. Heat Treatment Options: Rods available with high-frequency or fully carburized heat treatments. Certified Quality: ISO 9001:2000 certified with GB and GOST standard compliance. Flexible Customization: Full customization, minor customization, and sample-based options available. Fast Delivery: Standard delivery within 20-30 days, peak season within 15 workdays.