Place of Origin
Henan, China
Material
High Carbon Steel
delivery
DHL,Fedex,UPS,EMS,or by sea
shank
straight/thread/cone
working life
500-1000 holes
wall thickness
0.8mm-1.2mm
model
1.Sintered diamond drill bit.2.Electroplated diamond drill bit.
Usage
glass, ceramic, porcelain, tile, limestone, slate
Product name
glass drill bit