- Model No.: BMMHDROCH001-BMMHDROCH012
- Structure: Roller Chain
- Chain Size: 8mm-76.2mm
- Function: Conveyor Chain
- Trademark: BOCHI
- Specification: 8mm-76.2mm
- HS Code: 7315890000
- Material: Alloy
- Surface Treatment: Baking Paint
- Feature: Fire Resistant, Oil Resistant, Heat Resistant
- Color: Black
- Transport Package: Iron Drum
- Origin: Chongqing, China
Product Description
Product Name: Standard Triplex Steel Short Pitch Precision Industrial Conveyor Roller Chain
Raw Material: Alloy steel
Diameter: 8mm-76.2mm
Function: Conveyor Chain
Color: Black

China No# | Pitch | Bush Dia | Width between inner plates | Pin Dia | Pin length | Plate Depth | Plate Thickness | Ultimate Tensile strength | |
P | D1 max | B1 min | D2 max | L max | LC max | H2 max | t/T | Q min | |
mm | mm | mm | mm | mm | mm | mm | mm | KN | |
5B-3 | 8.00 | 5.00 | 3.00 | 2.31 | 19.5 | 20.2 | 7.10 | 0.80 | 11.1 |
6B-3 | 9.525 | 6.35 | 5.75 | 3.28 | 33.5 | 34.6 | 8.20 | 1.30 | 24.9 |
8B-3 | 12.70 | 8.51 | 7.75 | 4.45 | 45.1 | 46.1 | 11.8 | 1.60 | 47.5 |
10B-3 | 15.875 | 10.16 | 9.65 | 5.08 | 52.7 | 54.1 | 14.7 | 1.70 | 66.7 |
12B-3 | 19.05 | 12.07 | 11.68 | 5.72 | 61.5 | 63.1 | 16.0 | 1.85 | 86.7 |
16B-3 | 25.4 | 15.88 | 17.02 | 8.28 | 99.8 | 101.2 | 21.0 | 4.15/3.1 | 160.0 |
20B-3 | 31.75 | 19.05 | 19.56 | 10.19 | 114.2 | 117.9 | 26.4 | 4.5/3.5 | 250 |
24B-3 | 38.1 | 25.4 | 25.4 | 14.63 | 150.1 | 154.6 | 33.2 | 6.0/4.8 | 425 |
28B-3 | 44.45 | 27.94 | 30.99 | 15.9 | 184.2 | 188.7 | 36.7 | 7.5/6.0 | 530 |
32B-3 | 50.8 | 29.21 | 30.99 | 17.81 | 183.2 | 188.2 | 42.0 | 7.0/6.0 | 670 |
40B-3 | 63.5 | 39.37 | 38.1 | 22.89 | 226.8 | 233.8 | 52.96 | 8.5/8.0 | 950 |
48B-3 | 76.2 | 48.26 | 45.72 | 29.24 | 281.6 | 289.4 | 63.8 | 12/10 | 1500 |


Packaging

We are a specialized manufacturer of steel products and rigging hardware based in Chongqing, China. We offer high-quality rigging solutions at competitive prices and look forward to establishing a long-term partnership with you.
Our Advantage
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FOR PRODUCTS: HIGH QUALITY ASSURANCE
- Our factory is a well-known company in China and has been recognized by the government.
- All our products come with an original inspection certificate.
- We accept inspections from SGS or other third-party organizations before delivery.
FOR SHIPPING: MORE THAN 10 COOPERATE SHIP/AIR COMPANY.
- We will arrange the most cost-effective shipping method to save your money.
- We have established relationships with shipping companies to provide the lowest freight rates.
- We offer free insurance for all shipments.
FOR AFTER-SALE SERVICE: ONE CLIENT, ONE ENGINEER.
- You will be assigned a dedicated engineer once the goods are on board, who will update you on the location and estimated delivery time.
- After receiving the goods, our engineer will assist you with any issues and provide after-sales support for 200 days.
- We will follow up on the production schedule and inspection process, providing photos at each stage.
- We can also assist with sandblasting and painting if required.
- For different products, we can consolidate shipments and deliver them together at the best possible price.
Company Information

Product Range: We specialize in steel and marine hardware equipment and technical solutions, offering a full range of marine accessories and components.
Product Design: We have a strong engineering team that can design custom drawings according to your specifications or review the ones you provide. All production starts only after the drawings are confirmed.
Product Process: All manufacturing processes take place in our facilities, ensuring consistent quality and timely delivery while minimizing errors.
Product Inspection: We hold ISO certification and provide mill certificates for general products. We also offer ship classification society certificates such as ABS, BV, CCS, DNV, GL, LR, and more. Third-party inspections like SGS are accepted, and clients are welcome to visit the factory before delivery.
Qualification
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