APEXX Brazed Diamond Countersink Core BitsBuilt with advanced vacuum brazing technology; Tapered diamond rim for countersink hole preparation; 5 8" 11 female thread; Material: Porcelain Tile, UltraCompact Surfaces, Marble, Engineered Stones, Granite, Natural Quartzite; Dry or Wet use.

Installing countertops

Crafted with the highest quality steel core and reinforced with plates to eliminate flexing and deflection during extended cuts

Rubber bumpers protect the finished edges

High-quality abrasive grain for high stock removal rate

elevating your stone surfaces to a new level of sophistication

Small surfaces

Cat-5 speeds and a versatile segment produce fast cutting from quartzite to engineered stone

Redesigned with vortex side protection for smoother cutting

columns or borders

The Auto system includes a powerful compact vacuum pump that maintains pressure for all cups

The stone seam setter's accessible design allows you to view the seam

these pads provide the ideal solution for professionals and DIY enthusiasts alike