ISO
Chain No. |
ANSI Chain No. |
Width
between
holes |
Pin length |
Pin diameter |
Hole
diameter |
X min |
L max |
d2 max |
D |
| mm |
mm |
mm |
mm |
| LH0822 |
BL422 |
10.8 |
17.2 |
5.08 |
1.6 |
| LH0823 |
BL423 |
12.9 |
19.3 |
| LH0834 |
BL434 |
17.0 |
23.4 |
| LH0844 |
BL444 |
19.2 |
25.6 |
| LH0846 |
BL446 |
23.5 |
29.9 |
| LH0866 |
BL466 |
27.7 |
34.1 |
| LH1022 |
BL522 |
12.8 |
20.8 |
5.94 |
2.0 |
| LH1023 |
BL523 |
15.3 |
23.3 |
| LH1034 |
BL534 |
20.2 |
28.2 |
| LH1044 |
BL544 |
22.9 |
30.9 |
| LH1046 |
BL546 |
27.9 |
35.9 |
| LH1066 |
BL566 |
32.9 |
40.9 |
| LH1222 |
BL622 |
17.0 |
29.8 |
7.92 |
3.2 |
| LH1223 |
BL623 |
20.3 |
33.1 |
| LH1234 |
BL634 |
26.9 |
39.7 |
| LH1244 |
BL644 |
30.4 |
43.2 |
| LH1246 |
BL646 |
37.1 |
49.9 |
| LH1266 |
BL666 |
43.8 |
56.6 |
| LH1622 |
BL822 |
21.0 |
33.8 |
9.53 |
3.2 |
| LH1623 |
BL823 |
25.1 |
37.9 |
| LH1634 |
BL834 |
33.2 |
46.0 |
| LH1644 |
BL844 |
37.5 |
50.3 |
| LH1646 |
BL846 |
45.8 |
58.6 |
| LH1666 |
BL866 |
54.1 |
66.9 |
| LH2022 |
BL1022 |
25.1 |
41.1 |
11.10 |
4.0 |
| LH2023 |
BL1023 |
30.0 |
46.0 |
| LH2034 |
BL1034 |
39.7 |
55.7 |
| LH2044 |
BL1044 |
44.9 |
60.9 |
| LH2046 |
BL1046 |
54.8 |
70.8 |
| LH2066 |
BL1066 |
64.7 |
80.7 |
Clevis pins, usually referred to as U-bolt pins, also known as cotter pins or knuckle pins, are a commonly used type of mechanical fastener. Here is a detailed introduction to them:
Structural Features: A clevis pin typically consists of a cylindrical shaft with a flat or slightly rounded head at one end and a hole at the other end, which is used for fixing via an R-clip or cotter pin. This design allows the connected components to rotate or swing, playing an indispensable role in dynamic applications that require movement and flexibility.
Working Principle: The clevis pin is inserted into the drilled holes of two or more components to connect them. By inserting a cotter pin or other types of retaining clips into the end of the pin, it can prevent the pin from falling out of the hole, thereby ensuring the reliability of the connection. It can absorb lateral stress and allow a certain degree of movement of the object, reducing the risk of connection loosening caused by vibration.
Material Selection: Clevis pins are usually made of various materials, including carbon steel, stainless steel, and alloy steel etc. Clevis pins made of carbon steel have certain strength and economy; those made of stainless steel have better corrosion resistance, which are suitable for harsh working environments; and clevis pins made of alloy steel can withstand more wear and tear, and can also be used in extreme temperatures.
Application Fields: Clevis pins are widely used in various fields such as machinery, automobile, agriculture, construction, and aerospace. For example, in agricultural machinery, clevis pins are used to fix connecting rods that need frequent adjustment and movement; in the automobile industry, they are used in steering links and braking systems to provide necessary pivot points to ensure the smoothness of operation; in construction equipment and aerospace fields, clevis pins are also used to connect and fix various components, ensuring the integrity and flexibility of the structure.
COMPANY PROFILE
Qingdao Star Machine Technology Co., Ltd. is located in the beautiful coastal city of Qingdao. We are a large enterprise group engaged in researching, producing, marketing, and providing technical services. We have three large research and production bases and one large marketing centre specialising in transmission parts, bearings, chains, sprockets, tractor driving axles, and hydraulic steering units. Covering an area of 80,000 square meters, we now have 816 employees, including 167 senior professional technicians, and a global network of sales and service systems. Maintaining good partnerships with Liaocheng University, Qingdao University, Shandong Agricultural University, Shandong University, and the Chinese Academy of Agricultural Sciences, we receive strong technical support from industry experts.
"You provide a request, we'll give you a perfect product". We uphold the business philosophy of "integrity, efficiency, cooperation, innovation," quality first, advanced technology, precision production, integrity management, and efficient service. We support our customers with top-quality products and super-sophisticated technology.

1. Reliable Quality Assurance System
2. Cutting-Edge Computer-Controlled CNC Machines
3. Bespoke Solutions from Highly Experienced Specialists
4. Customisation and OEM Available for Specific Application
5. Extensive Inventory of Spare Parts and Accessories
6. Well-Developed Worldwide Marketing Network
7. Efficient After-Sale Service System
The 219 sets of advanced automatic production equipment provide guarantees for high product quality. The 167 engineers and technicians with senior professional titles can design and develop products to meet the exact demands of customers, and OEM customisations are also available with us. Our sound global service network can provide customers with timely after-sales technical services.
We are not just a manufacturer and supplier, but also an industry consultant. We work proactively with you to offer expert advice and product recommendations to end up with the most cost-effective product available for your specific application. The clients we serve worldwide range from end users to distributors and OEMs. Our OEM replacements can be substituted wherever necessary and suitable for both repair and new assemblies.
Q: Why choose us?
A. We are a manufacturer; we have manufactured valves for over 20 years.
B. Reliable Quality Assurance System.
C. Cutting-Edge Computer-Controlled CNC Machines;
D. Bespoke Solutions from Highly Experienced Specialists.
E. Customisation and OEM are available for specific applications.
F. Extensive Inventory of Spare Parts and Accessories;
G. Well-Developed Worldwide Marketing Network;
H. Efficient After-Sale Service System
Q. What is your payment term?
A: 30% TT deposit, 70% balance T/T before shipping.
Q: Can we print our logo on your products?
A: Yes, we offer OEM/ODM service. We support customised logo, size, package, etc.
Q: What is your main market?
A: North America, South America, Eastern Europe, Western Europe, Southeast Asia, Africa, Oceania, the Middle East, and Eastern Asia.
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.