| Type |
Drill Bit |
| Material |
Carbon Steel |
| Machine Type |
Drilling Equipment |
| Certification |
API |
| Processing Type |
Forging |
| Use |
Well Drilling |
| Place of Origin |
Hebei China (Mainland) |
| Brand Name |
kingdream |
| Model Number |
2-26 inch |
Model115,117,121,227,417,437,517,547,617,637Applicable forpetroleum&gas, water well and mining Bearingmetal bearing(HJ), rubber bearing(HA)Advantagehigh quality with reasonable price because of used product Formationsoft and medium formation, hard formationButton bitsmall tooth, big tooth,conical inserts,chisel insertsMeterialalloy steel,carbidePackingwood box, steel boxPaymentL/C,T/TDeliveryby ship or plane within 30 daysMain marketMiddle East,Africa,Europe,Asia,south AmericaReputation Frist,Client's Requirement Frist. How to juage the quality of the used drill bits: 1>the abrasion of the button bits 2>the quality of the bearing