Name: Black Plastic Thread Protectors / Screw Thread Protectors For Drill Pipe
Brand: Shanghai Qinuo Industry Co., Ltd.
SKU: Plastic Thread Protectors
Price: 0.10 USD
Availability: InStock

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Black Plastic Thread Protectors / Screw Thread Protectors For Drill Pipe

Product Details:

Place of Origin:	Shanghai, China
Brand Name:	SHQN
Certification:	ISO 9001
Model Number:	Plastic Thread Protectors

Payment & Shipping Terms:

Minimum Order Quantity:	1000
Price:	0.1-0.3
Packaging Details:	Standard export packing
Delivery Time:	Depends on order qty
Payment Terms:	L/C, T/T, Western Union, , D/A, D/P
Supply Ability:	5 tons/week

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Detailed Product Description

Material::	Plastic; Specified Resin Grade Required	Color:	Black, Or Assigned Color
Application:	Drill-pipe Thread Protection During Transport And Storage	Product Name:	Black Plastic Screw Thread Protector For Drill Pipe
Shape:	Connection-specific Pin Or Box Protector Per Drawing	Quality:	ISO 9001 Quality Management; Agreed Fit And Inspection Criteria
Style:	Pipe Thread Protectors	Service:	OEM/ODM Connection And Sample Review
Mode Of Production:	Molding Process Specified For The Selected Resin And Part	Business Type:	Manufacturer/Factory
Package:	Labels By Connection, End Configuration And Part Number	Use:	Pipe-end Connection Coverage For Handling And Storage
Sample:	Available,7-10 Workdays	Logo:	Size, Connection And Lot Marking Per Approved Artwork
Machine Type:	Drilling Tool	Surface Finish:	Molded Surface And Acceptable Flash Per Drawing
Design Software:	UG, Pro/E, CAD, Solidworks And So On
Highlight:	oilfield thread protectors , drill pipe thread protectors

Black Plastic Screw Thread Protectors for Drill Pipe — Installation and Inspection

Description
Black plastic screw thread protectors cover drill-pipe connection threads during transport and storage. Select the protector for the full tool-joint connection designation and pin or box end, then confirm thread engagement and coverage on the intended pipe.

Begin installation with clean connection and protector threads. Align the protector squarely, avoid cross-threading and use the installation method specified for the part; forced engagement can damage the protector or hide an incorrect fit.

Plastic and metal-plastic composite protectors are separate constructions. Confirm the plastic resin grade and molded geometry for this item; a black appearance does not identify the resin or establish outdoor performance.

Before refitting or reusing a protector, inspect for cracked walls, stripped threads, distortion and trapped debris. Replace a damaged protector and follow the agreed storage and inspection procedure.

Confirm gripping features and removal access before selecting a protector. Retention, thread coverage and handling requirements are reviewed for the actual connection rather than inferred from color or price.
Size references in inches include 2-3/8 through 20; listed connection references include NC26, NC38, NC50, 4-1/2 REG, 3-1/2 REG, 6-5/8 REG and 7-5/8 REG. BTC, STC and LTC are separate casing references. Confirm the exact size/connection combination and drawing; these labels do not establish interchangeable drill-pipe fit.
Black Plastic Thread Protectors / Screw Thread Protectors For Drill Pipe

Installation and Storage Review Points:
1. Verify connection designation and pin/box configuration.
2. Specify outdoor exposure and storage temperature requirements.
3. Confirm plastic resin grade and construction.
4. Identify size, connection and required lot marking.
5. Check engagement without cross-threading or forced installation.
6. Confirm the connection dimensional reference on the drawing.
7. Review thread coverage and shoulder clearances.
8. Trial-fit on the intended pipe end.
9. Agree retention or impact test criteria where required.
10. Inspect before storage, shipment and reuse.
11. Keep different connection configurations separately identified.
Packaging & Shipping

Port:	Shanghai
MOQ:	1000 pcs,Custom parts: 5000pcs
Packing:	bulk packing or custom packing
Payment:	PayPal, T/T, Western Union, L/C
Delivery time:	Depend on the quantity

Black Plastic Thread Protectors / Screw Thread Protectors For Drill Pipe

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Shanghai Qinuo Industry Co., Ltd. reviews plastic protector enquiries from identified drawings or samples. Include the drill-pipe tool-joint connection and handling conditions for the selected part.
The design review covers thread engagement, wall sections, gripping features, resin specification and identification requirements.
Agree sample fit and inspection criteria before approving production. Changes to the connection geometry or resin grade require renewed review.
Manufacturing operates under ISO 9001 quality management. Request any material declaration or additional compliance document required for the specified protector.

Black Plastic Thread Protectors / Screw Thread Protectors For Drill Pipe

FAQ

1. How do I avoid ordering the wrong screw protector?
Provide the complete tool-joint connection designation, pin or box end and drawing revision. A pipe diameter alone does not define the protector thread.
Use an identified connection sample for trial fitting where required, and record the approved protector part number.
2. What should be checked before installation?
a. Correct protector size and connection identification.
b. Clean pipe and protector threads.
c. Cracks, stripped threads or distortion.
d. Correct pin or box configuration.
e. Straight alignment at the start of engagement.
f. Required thread coverage and clearances.
g. The specified installation and removal method.
3. Does black plastic confirm a particular material?
1. Color alone does not identify the resin.
2. Specify the required resin grade for the order.
3. State any outdoor exposure or temperature conditions.
4. Agree performance tests where the application requires them.
5. Confirm material identification and acceptance documents.
4. What information is needed for replacement protectors?
1. Existing protector part number or drawing.
2. Full pipe-end connection designation.
3. Pin or box configuration and quantity.
4. Resin, color and marking requirements.
5. Handling conditions and sample-fit criteria.
Send the tool-joint drawing and protector requirements for a black plastic drill-pipe protector quotation.
Custom protectors can be reviewed from a drawing or sample; approve thread fit and handling requirements before production.