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API Oilfield 2-3/8'' 30'' Hinged Shaft Collar

China Puyang Zhongshi Group Co., Ltd. certification
China Puyang Zhongshi Group Co., Ltd. certification
Recommendation is good. Reception is professional. Demo training is also very great. Wish more online training after getting the machine.2017.8.26

—— David

Thanks for your kindly hospitality. Your company is very professional , we will have nice cooperation in the near future. 2015.6.28

—— Sergey

Good company with nice service and high quality and high reputation. One of our reliable supplier , goods are delivered in time and nice package 2016.3.25

—— Steve

Thanks for your good after-sale service. Excellent training and technology support helps me a lot. 2018.4.23

—— Mostafa

Professional, very helpful, great price. Will use again for other items 2019.2.21

—— Ahmed

Thanks for zhongshi group supporting and guidence. With your help and instruction, I win more market share. 2017.9.26

—— Manuel

Nice cooperation with zhongshi group.Imperssive for your service and support. 2018.3.18

—— Luis

We are satisfied with your product's quality. We highly appreciate to see the excellent performances in production capacity and thanks for the specialist technical support from you 2018.11.16

—— Mohammed

Good company with professional service and high quality. Delivered in time. Our most trusted partner for sucker rod and OCTG pipe. 2018.7.24

—— Nicolas

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API Oilfield 2-3/8'' 30'' Hinged Shaft Collar

API Oilfield 2-3/8'' 30'' Hinged Shaft Collar
API Oilfield 2-3/8'' 30'' Hinged Shaft Collar

Large Image :  API Oilfield 2-3/8'' 30'' Hinged Shaft Collar

Product Details:

Place of Origin: China
Brand Name: Puyang Zhongshi Group
Certification: API,ISO,QHSE
Model Number: 4 1/2"~36"

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: Wooden Box
Delivery Time: depends on quantity
Payment Terms: T/T, MoneyGram
Detailed Product Description
Type: Bolt Clamp Installation: Latch On
Specification: 2-3/8''- To 30'' Material: 65Mn,steel 20
Size: Different Sizes Are Available Feature: Used In Deviated Wells And Horizontal Wells
High Light:

30'' Hinged Shaft Collar


2-3/8'' Hinged Shaft Collar


30'' hinged collar

API oilfield hinged stop collar


Hinged stop collars that use hardened inserts (dogs) to provide a positive lock onto the casing. The specially designed dogs bite into the casing, which provides the stop collar's strong holding force. The recommended torque on the bolt is approximately 25 to 35ft-lb. When properly installed, the hinged stop collar can provide a holding force up to 40,000lb.


API oilfield hinged stop collar Features

  • provide reliable downhole performance.
  • For both tubing and casing applications.
  • The non-weld design eliminates any weak spots.
  • Tapered pin hold the bows and hinges in the collars
  • The whole casing centralizer is made without any rivet and no welding.
  • The whole casing centralizer is composed of 3 parts, the spring, the hinges and tapered pin.
  • High-quality, super-strengthen spring-steel bows and especialy designed collar hinges


API oilfield hinged stop collar Specification
Specification (Inch) ID
Holding Force (KN)
13 3/ 8” 338 350 40
10 3/ 4” 272 284 40
9 5/ 8” 245 257 40
8 1/ 8” 206 218 40
7 5/ 8” 193 285 30
7” 177 189 30
5 1/ 2” 139 151 30
5” 126 138 24
4 1/ 2” 114 126 24


API Oilfield 2-3/8'' 30'' Hinged Shaft Collar 0

Contact Details
Puyang Zhongshi Group Co., Ltd.

Contact Person: Mrs. Liza

Tel: 18192063736

Fax: 86-393-4807842

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