Diamond core drill bit 1 3/8 inch laser welded 5/8-11 thread
Diamond core drill bit set for granite, marble, and hard stone. Laser welded segments boost durability; works with dry or wet drilling. One customer note mentions good performance on CBS blocks
Highlights
- laser welded diamond segments
- 5/8-11 thread for granite drills
- dry or wet drilling versatility
Pros
- laser welded segments for durability
- 5/8-11 threading compatibility
- dry or wet drilling capability
- two 1 3/8 inch core bits included
- diamonds height and grit suited for hard stone
Cons
- mixed customer feedback on quality and durability
- some report edges breaking during use
Best For
Features
- Two 1 3/8 inch (35mm) core drill bits with 10mm diamond height
- Total length 100mm, working length 80mm, 5/8-11 thread for granite drilling
- Diamond grit #25/35; suitable for dry or wet drilling through granite, marble, stone
- Laser welded construction with vacuum brazing protection for clean cuts and core integrity
- Provides fast, smooth drilling with reduced edge breakage; uses water for cooling when drilling thick granite
