1. The interface design is more reasonable.
2.Use surface modification technology.
3.Significantly enhance the wear resistance of drill teeth.

Regular Size as below:
0803  D = 8.00mm, H = 3.53mm;

0808  D = 8.00mm, H = 8.00mm;

1004  D = 10.00mm, H = 4.50mm;

1008  D = 10.00mm, H = 8.00mm;

1304  D = 13.30mm, H = 4.50mm;

1308  D = 13.44mm, H = 8.00mm;

1313  D = 13.44mm, H = 13.20mm;

1610  D = 16.00mm, H = 10.00mm;

1613  D = 16.00mm, H = 13.20mm;

1908  D = 19.05mm, H = 8.00mm;

1910  D = 19.05mm, H = 10.00mm;

1913  D = 19.05mm, H = 13.20mm;

1916  D = 19.05mm, H = 16.31mm;

1919  D = 19.05mm, H = 19.00mm
D: diameter, H: height
Diamond Layer is about 1mm, maximum thickness can be processed to 3mm.