Complete Set of Equipment
Crawler-type hydraulic drilling rig
Tunnel repair machine
Mine drilling rig
Drilling rig supporting equipment
Drill pipe series
Drill bit series
For more detailed information,please call +86 15666767611
Bit type
Drilling diameter mm
Shape
Connection method
Material
FGN 55, 65, 75, 94, 113, 133, 146, 153,165
Φ55、Φ75、Φ94、 Φ113、Φ133、Φ146、 Φ153, Φ165
Triple wing concave Arc angle of three wingsFour-wing concave Arc angle of four wings
Thread
42CrMo
ZTY28-50
Φ28 ~ Φ50
Double Wings
ZTM28-94
Φ28 ~ Φ94
Double/multi-wing
Thread/plug
Note: Special specifications can be customized
