China coal mining tool manufacturer & supplier

HDD drill bit directional drilling tool tungsten carbide teeth weld-on teeth BR1 BR2 BR3 BR4 in stock

BR1

HDD drill bit directional drilling tool tungsten carbide teeth weld-on teeth BR1 BR2 BR3 BR4 in stock

2016-05-14

T38 button bit retrac drill bit

T38

Thread button bits made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the t

2016-05-14

Drifting and tunneling drill bit button bit 38mm

R28

a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the smal

2016-02-23

19mm round shank auger bullet bit

C21

1. Warranty
2. After-sales service
3. Quality certification
4. Customized service
5. Sample service

2016-02-29