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When a worn or broken connecting link brings your conveyor, drive shaft, or power transmission system to a halt, every minute of downtime costs you. Makers, maintenance technicians, and mechanical engineers who work with duplex roller chain systems need connecting links that match exact pitch and roller dimensions — not close-enough substitutes that introduce play or premature wear. These DUPLEX roller chain connecting links are engineered to restore your drivetrain to full operation with a secure, standard-compliant fit.
Each link is manufactured from carbon steel and is available in two types: CL (Connecting Conn Link) for standard inline joining, and OL (Offset Crank Link) for odd-link-count chains. Models span a wide range of American and British standard pitches — from compact 06B (9.525 mm / 0.375 in pitch) through heavy-duty 40A (50.8 mm / 2.0 in pitch) and 40B (63.5 mm / 2.5 in pitch) — covering the most common duplex chain sizes used in industrial and DIY power transmission applications.
Typical use cases include replacing connecting links on duplex roller chain conveyors in workshop automation, repairing agricultural equipment drive chains (08B-2, 10A-2), and maintaining industrial gearbox output chains (16A-2, 20A-2) in manufacturing environments where ANSI and BS standard compliance is required.
| Product Type | Roller Chain Connecting Link |
|---|---|
| Chain Standard | ANSI/ASME B29.1 (A-series) & BS/ISO 606 (B-series) |
| Strand Count | Duplex (2-strand) |
| Link Types Available | CL (Connecting Conn Link), OL (Offset Crank Link) |
| Material | Carbon Steel |
| Surface Finish | See variant options |
| Models (A-series) | 08A-2, 10A-2, 12A-2, 16A-2, 20A-2, 24A-2, 28A-2, 32A-2, 40A-2 |
| Models (B-series) | 06B-2, 06C-2, 08B-2, 10B-2, 12B-2, 16B-2, 20B-2, 24B-2, 28B-2, 32B-2, 40B-2 |
| Pitch Range | 9.525 mm (06B) – 63.5 mm (40B) / 0.375 in – 2.5 in |
| Tensile Strength | See variant options |
| Quantity per Order | 1 connecting link (1 set) |
| Application | Power transmission, conveyor drives, agricultural machinery, industrial equipment |
Use a CL (Connecting Conn Link) when your chain has an even number of links — this is the standard configuration for most duplex roller chain assemblies. Use an OL (Offset Crank Link) when your chain requires an odd number of links, which offsets the inner and outer plates by half a pitch to close the loop. Check your chain's link count before ordering.
The model number is typically stamped on the side plate of your existing chain (e.g., "10A-2" or "08B-2"). The number before the letter indicates the pitch size, the letter indicates the standard series (A = ANSI, B = British/ISO), and "-2" confirms it is a duplex (2-strand) chain. If the marking is worn, measure the pitch (center-to-center distance between two consecutive pins) and match it to the standard pitch table.
Yes — this listing covers both series. A-series models (08A-2 through 40A-2) conform to ANSI/ASME B29.1, while B-series models (06B-2 through 40B-2) conform to BS/ISO 606. Note that A-series and B-series chains with the same pitch number are not interchangeable — always match the series letter to your existing chain.
Carbon steel connecting links are rated to the minimum tensile strength specified by the corresponding ANSI or BS standard for each chain size. For example, 08A-2 links are rated to the ANSI standard minimum for that pitch. For exact load ratings by model, refer to the relevant standard or contact us to confirm before use in high-load applications.
Carbon steel connecting links offer moderate corrosion resistance suitable for indoor and dry environments. For applications exposed to moisture, chemicals, or outdoor conditions, consider applying a chain lubricant or chain oil regularly to extend service life. If your application requires enhanced corrosion resistance, contact us to ask about alternative material options.
No. These connecting links are designed specifically for duplex (2-strand) roller chains. Using them on simplex (single-strand) or triplex (3-strand) chains will result in incorrect fit, misalignment, and potential chain failure. Always verify the strand count of your chain before ordering.
CL connecting links can typically be installed using basic hand tools — a pair of pliers to seat the spring clip (cotter pin) is usually sufficient. OL offset links may require a chain breaker tool to align the plates correctly. Always ensure the spring clip is fully seated and oriented with the closed end facing the direction of chain travel to prevent it from working loose during operation.
