It’s the premium diamond core bit for drilling/coring granite and hard rock (or hard stone). SG500 use a specialized bond to deliver very fast and smooth drilling for professional users.

• For granite and hard stone.

• High speed and smooth drilling.

• Diameter: 16 mm - 200 mm.

• Length upon request.

• Thread: 1 1/4”-7, G 1/2, 5/8”-11 or Others.

• Customization acceptable