Competitive Price for Drill Bit For Granite Countertop - 30mm Crown Type Masonry Core Drill Bit For Granite Marble Stones – Sunny Superhard Tools

Masonry core drill bit is an ideal diamond tool for making holes on brick, granite, marble, and other stones. It is widely used in countertops, walls, and other projects. For our short core drill bit (wet drilling), the diameter is usually from φ6mm to φ120mm, and the segment types can be solid type, crown type, and segmented type. According to your drilling projects, the length of the stone core drill bit can be customized, and it is usually 60mm. The connection can be G1/2″, 5/8″-11, M14 and shank. Please check our masonry core drill bit list as follows:

Different types of diamond formulas fit different materials. Sunny Superhard Tools can provide you with the proper diamond formula to fit your material and boost the drilling project. We use high-quality artificial diamonds. Some of them are imported from Ireland Brand -”Element Six”, to guarantee the high performance of our stone core drill bits.

• Drilling smoothly & steadily for different stones and bricks.
• The diameter and working length can be customized upon your requests.
• High-quality artificial diamonds are used to ensure high performance.
• Good packaging and fast delivery.

Optional Size of diamond core bit (other specifications are available upon request)