Single roller bit c/w bearing and carbide insert IADC 637 or IADC 737 – diam. 8.5 inch
email info@tjdrilling.com ,
whatsapp 008618902059907
Brand Name | huachang xingye |
Place of Origin | China |
Model Number | hc20210304 |
Single roller bit c/w bearing and carbide insert IADC 637 or IADC 737 – diam. 8.5 inch
email info@tjdrilling.com ,
whatsapp 008618902059907