產(chǎn)品描述
Product Name | DTH bits |
Description |
|
Material | Alloy steel and tungsten carbide bit |
Hammer size | 3.5",4",5",6",8",10",12" |
Bit Diameter | 90- 445mm |
Button bit face type | flat, convex, concave |
Button bit insert design | spherical, ballistic, parabolic |