Drill Pipe Plastic Steel Thread Protector for OCTG
PP Thread Protectors for Steel Drill Pipe Tool Joints
PP drill pipe thread protectors cover matching tool joint ends during transport and storage. The listed protector material is polypropylene (PP); the steel drill pipe and any proposed steel reinforcement must be specified separately. Identify the full tool joint connection, pin or box end and required coverage before selecting a protector. For a metal-plastic composite design, agree the component construction on a separate drawing.
Connection schedule: NC26, NC38, NC50 and selected REG references may be submitted for drawing and availability review. Match the protector to the tool joint connection rather than pipe body diameter alone. The broader 2-3/8 to 20 inch nominal pipe range and BTC, STC and LTC casing references require separate product enquiries. Confirm thread engagement, shoulder clearance and body dimensions for each drill pipe item.
Packaging & Shipping
| Port: | Shanghai |
| MOQ: | 1000 pcs,Custom parts: 5000pcs |
| Packing: | bulk packing or custom packing |
| Payment: | Payment method to be agreed in the quotation. |
| Delivery time: | Delivery schedule to be agreed after design review, quantity and sample approval. |
Other oil and gas industry accessories for choice:
Our company
Shanghai Qinuo supplies molded plastic components and oilfield accessories. For this drill pipe protector enquiry, distinguish the PP protector specification from the steel tool joint it will cover.
Supply the connection drawing or representative sample, pin/box quantities and handling conditions. If reinforcement is requested, identify its material, position and interface with the plastic body.
Approve the protector drawing, PP grade, markings and sample fit before batch production. A construction change needs its own dimension and acceptance review even when the connection name is unchanged.
ISO 9001 applies to the quality management system. Fit, retention, impact and environmental requirements should be agreed for the ordered construction and checked by the specified method.
FAQ
1. Is this a PP or a steel-plastic protector?
This listing specifies PP. A steel shell or insert should not be assumed from the steel drill pipe description.
For a composite request, send a drawing defining the metal and plastic components and how they fit the tool joint.
2. What should a construction review cover?
a. Full drill pipe tool joint connection and drawing revision.
b. Pin or box orientation and separate order quantities.
c. PP grade and any explicitly requested reinforcement material.
d. Thread engagement, body depth and shoulder clearance.
e. Required thread and adjacent surface coverage.
f. Storage exposure and handling conditions.
g. Sample approval and any agreed retention or impact tests.
3. Why review a sample after changing construction?
1. Added components may change body clearance and overall dimensions.
2. Check starting engagement on the intended tool joint.
3. Confirm seating and coverage against the approved drawing.
4. Verify retention and removal by the agreed method.
5. Inspect plastic engagement surfaces and any component interfaces for damage.
4. How should different protector designs be stored?
1. Separate PP and composite designs when both are ordered.
2. Label each batch by construction, connection and pin/box end.
3. Inspect for cracks, distortion and contamination after transport.
4. Check the required fit and coverage before reuse.
5. Replace damaged or loose-fitting protectors instead of forcing engagement.
Casing, tubing and other oilfield accessories require their own connection and construction specifications.
Send the drill pipe connection schedule, construction requirements and drawings or original samples for a quotation.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.










