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Thread Protectors for Drill Pipes and Drill Collars

A. Color: Black, Red, Green, Yellow, etc

B. Material: Plastic(HDPE), Composite(Steel+Plastic, Plastic+Steel+Plastic)

C. Follow the API Q1 quality inspection standard.  D. According to the API 5CT Annex I when design the product.

E. Suitable for environments from -46 degrees to 66 degrees

F. Thread Protectors are used to protect and cover the thread ends of Tubing and
Casing from damage and contamination during transit, handling and storage

Item	Size&Thread	All Plastic	Composite Type ASM(CEL)	Composite Type ASM(CENL)
1	NC23		√
2	NC26(2-3/8", IF)	√	√	√
3	NC26, DSTJ
4	NC31(2-7/8", IF)	√	√	√
5	NC31, DSTJ
6	NC35	√	√
7	NC38(3-1/2", IF)	√	√	√
8	NC38, DSTJ	√	√	√
9	NC40(4", FH)	√	√	√
10	NC40, DSTJ	√	√	√
11	NC44	√	√
12	NC46(4", IF)	√	√	√
13	NC50(4-1/2", IF)	√	√	√
14	NC50, DSTJ	√	√	√
15	NC52	√	√
16	NC56	√	√
17	NC61	√	√
18	NC70	√	√
19	5-1/2", FH	√	√	√
20	5-1/2", DSTJ	√	√	√
21	6-5/8", FH	√	√
22	6-5/8", IF	√
23	2-3/8", REG	√	√	√
24	2-7/8", REG	√	√	√
25	3-1/2", REG	√	√	√
26	4-1/2", REG	√	√	√
27	6-5/8", REG	√	√	√
28	7-5/8", REG	√	√	√
29	8-5/8", REG	√	√	√
30	2-7/8", PAC	√	√
31	2-3/8", PAC		√
32	4-1/2", H-90	√	√
33	5", H-90	√	√
34	6-5/8", H-90	√	√
35	7-5/8", H-90	√	√

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