Punto d'origine
Henan, China
Supporto personalizzato
OEM, ODM
Numero del Modello
ZW2802
Name
coal mine PDC drill bit
Application
coal mine, water canservancy & hydropower
Material
the best diamond & sintered carbide
Diameter
25~32mm, 42mm, 2 and 3wing
Certification
ISO9001:2008
Processing type
welding or forging
Thread
M14 M16 R22 Rd17, etc
Color
Golden, silver, blue grey, black, etc.
Samples
free sample available for test
Usage
dry&wet drill for mining without water