Diamond Core Drill Bits 2-1/4 Inch for Hard Stone
Laser welded diamond core bits for dry or wet drilling in granite, marble, engineering stone, concrete, and brick. Ideal for faucet mounting holes in stone countertops and plumbing lines. Customers note smooth cutting and solid build, with some durability concerns
Highlights
- laser welded diamond construction
- multi-material hard stone compatibility
- dry or wet drilling capability
Pros
- laser welded diamond bits
- works for dry or wet drilling
- effective on hard stone and concrete
- good build quality and value for money
Cons
- mixed durability feedback
Best For
Features
- Laser welded diamond core bits for hard stone like granite and marble
- Diameter 58mm (2 1/4 inch); total length 100mm; 5/8 inch-11 thread
- Dry or wet drilling; wet use extends segment life
- Suitable for drilling granite countertops faucet holes and plumbing lines
- High-quality diamond with strong steel body for longer drilling life
