Customization: | Available |
---|---|
After-sales Service: | Available |
Warranty: | 1 Year |
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
---|
Payment Methods: |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
---|---|
Support payments in USD |
Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
---|
Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
---|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Formation | IADC | Lithology | Bits Selection |
Very Soft | M121/S121 M122/S122 | Clay, Sandstone, Siltstone | M/S316*F, M/S416*F, M/S516*F, M/S419*F, M/S519*F |
Soft | M221/S221 M222/S222 | Sandstone, Shale, Marlstone | M/S316*F, M/S416*F, M/S516*F, M/S419*F, M/S519*F |
Medium | M322/S322 M323/S323 | Limestone, Sandstone, Conglomerate | M/S316*F, M/S416*F, M/S516*F, M/S419*F, M/S519*F |