Diamond core drill bit 1-3/4 inch laser welded
Core drill bit for granite, marble, stone and reinforced concrete. Laser welded segments for clean cuts and durable steel core protection; suitable for dry or wet drilling. Customer note: mixed opinions on quality and value, with some praising cutting performance
Highlights
- laser welded diamond core bit
- 5/8-11 thread for compatibility
- dry or wet drilling capability
Pros
- laser welded segments
- dry or wet drilling capable
- protective vacuum brazing layer
- diamonds grit #25/35
- includes 1pc 1 3/4 inch bit
Cons
- mixed customer opinions on durability
- some reports of breakage
- value-for-money concerns
Best For
Features
- Size --1pc 1 3/4 inch core drill bit (45mm),diamond height 10mm
- total length 100mm,diamond grit #25/35,working length 80mm,5/8-11 thread of the granite drill bit
- Wide Application --Diamond drill bit are worked great for dry drilling holes through Granite Marble Hard Stone Reinforced Concrete Brick Block Counter Top,Using water could prolong the lifetime
- Super Quality Raw Material --Using laser welded technology,improve the performance of segments,avoid segments off during drilling process. The vacuum brazing protective layer on the surface of the core steel offers clean cut & steel core protection
- Fast and Smooth Drilling --Creates a fast and stable drilling
- you could drill smoothly with no broken edges
- Machine --angle grinder (Pay Attention! If you drill through thick granite,we recommend you to add enough water to help cooling the bits,which could prolong the lifetime).