Hengshui Jrain Frp fiberglass hood

  • Hole saws are circular-shaped bits with a serrated edge, typically used for cutting larger diameter holes in wood, metal, and plastic
    hole
    hole drill bits. These bits are ideal for tasks such as installing doorknobs, creating holes for pipes, and making large cutouts in walls or ceilings.
  • Tungsten carbide, an alloy composed primarily of tungsten and carbon, is renowned for its exceptional hardness and wear resistance. It is these properties that make it the ideal material for manufacturing mining button bits. The 'button' refers to the protruding segments of tungsten carbide that are brazed onto the drill bit, creating a robust cutting edge capable of withstanding the intense pressures and abrasive conditions encountered deep within the earth.