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BIHUI Diamond Countersink Bits

BIHUI Diamond Countersink Bits

by BIHUI
SKU DMC238A

$39.95 - $57.67
$39.95
$39.95 - $57.67
$39.95
Size: 2mm - 38mm

The BIHUI Tools Diamond Countersink Bits are engineered for precision finish work—giving tile and stone professionals the ability to create smooth, clean recessed holes for fixtures, anchors, and accessory mounts. With aggressive diamond cutting and a tapered bodied profile, these bits deliver professional accuracy on porcelain, ceramic, and natural stone.

More Details
More Details
  • Diamond cutting surfaces optimized for hard materials like porcelain and natural stone
  • Ideal for creating countersunk holes or finishing drilled openings, allowing screws or anchors to sit flush or below the surface
  • Available in multiple diameters to match common fixture and mounting sizes
  • Compatible with standard angle grinders or drills using the correct arbor or adapter
  • Suitable for both wet and dry applications depending on jobsite conditions
  • Helps reduce risk of chipping, cracking or surface damage during finish-drilling operations
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Shipping Policy

Refund & Return Policy

BIHUI Diamond Countersink Bits for Tile and Porcelain

The BIHUI Diamond Countersink Bits are engineered for precision countersinking in tile and stone installations. Creating clean, recessed holes for anchors, screws, and mounting hardware can be difficult on dense porcelain and polished surfaces. These diamond countersink bits provide a controlled, reliable solution for finishing drilled holes without damaging the surrounding material.

Use these bits to enlarge or taper pre-drilled holes so hardware can sit flush with or below the tile surface. The high-performance diamond bond maintains consistent cutting performance on porcelain, ceramic, and natural stone, while helping reduce chipping and surface damage. Whether you're installing fixtures, anchors, or decorative elements, these bits provide the control and precision required for professional results.

Why Tile Pros Trust It

  • Professional cut quality: Diamond surfaces cut hard materials cleanly, minimizing chip-out and wear.

  • Finish-fit capability: Countersunk holes allow hardware to sit flush, improving aesthetics and function.

  • Versatile diameter choices: Match fixture or anchor sizes easily for optimal fit.

  • Flexible integration: Works with standard power tools and in both wet or dry environments.

  • Surface-safe performance: Reduces risk of damage during high-precision mounting operations.

  • Designed for porcelain tile: Efficient countersinking on dense and hard materials.

Explore more tile installation tools and accessories here: Diamond Chamfer Tools Collection