Diamond core drill bit 38mm laser-welded for granite & stone
Core drill bit with 38mm diamond segments and 5/8-11 thread for dry or wet drilling in granite, marble, and concrete. Noted for fast, smooth cuts and durable construction; mixed reviews on durability and value
Highlights
- laser welded segments
- 5/8-11 thread compatibility
- works with dry or wet drilling
Pros
- laser-welded diamond segments
- fits 5/8-11 thread
- dry or wet drilling capability
- protective brazing layer for steel core
- accurate 38mm core size
Cons
- mixed customer feedback on durability
- inconsistent value for money
- some reports of breakage
Best For
Features
- Core drill bit size: 1-1/2 inch (38mm) with 10mm diamond height and total length 100mm
- Diamond grit #25/35 with 80mm working length and 5/8-11 thread for granite drilling
- Suitable for dry drilling through granite, marble, hard stone, reinforced concrete, brick, block; water can prolong bit life
- Laser-welded segments with vacuum brazing protection for clean cuts and core integrity
- Provides fast, smooth drilling with minimal edge breakage when used with compatible angle grinders
