Diamond Drill Bits
Application：For glass,ceramics, porcelain, ceramic, porcelain,tile, limestone, slate, marble, granite, stone, and fiberglass,etc.
Material：Superior diamond and steel body
Shape：Straight shank,taper shank and internal/external threaded shank.
Diameter：4~100mm
length：75~115mm
Features：High precision, sharp grinding , low noise, no tremor, no broken edge, high wear-resistance，high efficiency, long service life.
Custmized size is available.
