64-127mm Forging Retract Button Bit with Raised Center for Rock Drilling and Mining Well

These thread drill bits are manufactured using high-quality alloy steel bars and premium tungsten carbide. Available in various thread types including R25, R28, R32, SR35, R38, T45, T51, ST58, GT60, and ST68. The drill bit head diameters range from 32mm to 152mm, with button options in spherical, ballistic, and conical shapes. Face configurations include flat, drop-center, and engrave shapes, while body styles feature both normal and retrac designs. Ideal for tunnel construction and large-scale mining operations, including open-pit and underground copper, gold, and other mineral extraction.