28mm Premium Diamond Cutting Tool High Frequency Welded Dry Core Bit with Vacuum Brazed Side Protection Turbo Continuous Rim Segments for Granite Concrete
2025-04-13 introduction 3670
HWCGSD28
Core Drill
Masonry Drilling
SGS
High Frequency Welded
OEM, ODM
Hot Pressed Sintered Diamond Rim
Dry
Masonry Drilling, Granite, Marble, Hard Tiles, etc