Use
dry & wet drilling marble ,grantite, limestone, hard,porcelain tile,
Finish
vacuum brazed, electroplated
Place of Origin
Henan,China
Customized support
OEM, ODM
Product name
granite drill bit set
Thread
M14/5/8''-11/1 1/4", 1 3/8"/1 1/2", 1 3/4", 2"
Total length
75mm (6/8/10mm) or 100mm (12mm & above)
Diameter
6mm 8mm 10mm 12mm 14mm 20mm 25mm 32mm 35mm 38mm 50mm 65mm
Welding Method
Brazing, Laser welding
Use
Drilling hard granite marble all nature stone concrete
Position drill
Central position drills are available
Drilling result
Flat surface and even size