Drill pipe (Kelly)
Kelly 80 mm, bore 51 mm
We supply kelly (square drill pipe), diameter 80 mm, bore 51 mm. The pipe meets steel grade 45KhGMA and GOST 631-75, ensuring reliable performance in drilling operations. Box diameter, pin diameter, elevator groove and length can be tailored to your requirements. Specify the parameters in your enquiry — we will discuss the details and answer your questions.
Kelly80 mm51 mm45KhGMAGOST 631-75
| Type | Kelly |
| Diameter (OD) | 80 mm |
| Steel grade | 45KhGMA |
| Bore (ID) | 51 mm |
| Length | R2 ≈ 9.1–9.5 m |
| Cross-section | Square |
| Thread protector | Metal |
| Standard | GOST 631-75 |
| Condition | New |
Related items
Other pipe types Kelly
Kelly 140 mm, bore 80 mm
Kelly140 mm45KhGMAGOST 631-75
Kelly 133 mm, bore 80 mm
Kelly133 mm80 mm45KhGMAGOST 631-75
Kelly 89 mm, bore 57 mm
Kelly89 mm57 mm45KhGMAGOST 631-75