Diamond core drill bit 1-1/4 in laser welded 32mm 2pcs
Diamond core drill bit set for dry or wet drilling in granite, marble, and hard stone. Provides stable drilling with laser-welded segments and protective brazing; customers note good value with mixed opinions on durability
Highlights
- laser welded diamond segments
- dual dry/wet drilling capability
- 2-piece 1-1/4 inch set
Pros
- laser welded segments for durable performance
- protective vacuum brazing layer
- works dry or wet drilling
- includes 2 pieces of 1-1/4 inch bits
- suitable for granite, marble, hard stone
Cons
- mixed feedback on quality and durability
Best For
Features
- Two 1 1/4 inch (32 mm) core drill bits, diamond height 10 mm, total length 100 mm, working length 80 mm
- 5/8-11 thread compatible granite drill bit with diamond grit #25/35 for hard stone materials
- Laser welded segments and vacuum brazing surface provide clean cuts and core protection
- Supports dry or wet drilling; water cooling recommended for thick granite to extend lifetime
- Suitable for drilling through granite, marble, hard stone, reinforced concrete, brick, block, and countertops