Three Win Industry Supply Co., Ltd.

We manufacture those exclusive porcelain drill bits that are most suitable to cut those hard porcelains, hard tiles, hard ceramics, etc. They can finish those cutting work as diamond on cheaper cost level.

Dry cut and Wet cut are both available. We take that special carbide grinding angle and size to guarantee that drill speed. We take that high hardness of DK series of carbide to guarantee that extra cutting life.
If what you are buying for those tile cutting is on poor cutting life or only wet cutting porcelains, you please consider our featured porcelain drill bits for your work demands on high efficiency.
Diameters are available from 3mm to 16mm.
Surface treatment: Bright finish, Zn-coated, Ni-coated, Cr-coated