30Pcs/set Diamond drill bit 1 Mm Diamond Core Drill Bits Hole Solid Bit
USD 10.87 USD
Specifications
| Type | Core Drill Bits |
| Brand | Unbranded |
30 drill bit. -coated hole saws are suitable for drilling holes in jewelry, gemstones, glass, marble, tiles or granite. Adding water when using a grinding head can improve life. Suitable for jade carving, stone carving, bone carving, glass carving.