PDC drag bits PDC drag bits are widely used in geological drilling, mine drilling, water well ...
300mm PDC Drag Bit PDC drag bits are widely used in geological drilling, mine drilling, water well ...
Φ96mm PDC drag bits are widely used in geological drilling, mine drilling, water well drilling and ...
Φ75mm PDC Drag Bit Φ76mm PDC drag bits are widely used in geological drilling, mine drilling, water ...
Φ171mm 171mm PDC drag bits are widely used in geological drilling, mine drilling, water well ...
Φ331mm PDC Drag Bit Φ331 PDC drag bits are widely used in geological drilling, mine drilling, water ...
113mm Φ113mm PDC drag bits are widely used in geological drilling, mine drilling, water well ...
153mm Φ153mm PDC drag bits are widely used in geological drilling, mine drilling, water well ...
