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Worn or stretched drive chains cause missed timing, unplanned downtime, and costly repairs — a frustration familiar to machine builders, maintenance engineers, and serious DIY fabricators alike. These simplex roller chains are engineered to ISO/ANSI dimensional standards across the full 04C-to-16A size range, giving you a direct drop-in replacement or a dependable starting point for new drive designs without guesswork.
Each chain is constructed from precision-stamped inner and outer link plates, hardened rollers, and interference-fit pins. Carbon steel variants cover pitches from 6.35 mm (1/4 in) up to 25.4 mm (1 in); stainless steel options are available in the 04C series for corrosion-sensitive environments. Cut lengths range from 0.5 m to 5 m (approximately 1.6 ft to 16.4 ft), letting you order exactly what your application requires.
Typical use cases include industrial conveyor lines requiring consistent roller engagement, agricultural and garden-equipment power transmission, and custom go-kart or bicycle-drive builds where a specific pitch simplex roller chain must match an existing sprocket set.
Covers 04C through 16A (pitches 6.35 mm – 25.4 mm), so one source handles light-duty instrument drives and heavier industrial transmission chains alike.
Precision-ground rollers and interference-fit pins reduce wear at the sprocket contact point, extending service intervals on continuously running conveyor and drive systems.
Carbon steel delivers strength and economy for standard environments; 04C stainless steel variants resist oxidation in wash-down, food-adjacent, or outdoor-exposed installations.
Available in 0.5 m, 1 m, 1.5 m, 1.524 m (5 ft), and 5 m cuts — order the exact length your design calls for and minimize off-cut waste.
Stamped and heat-treated link plates maintain consistent pitch under load, keeping sprocket timing accurate over extended duty cycles in conveyor and power-transmission applications.
Dimensional compliance with ISO 606 / ANSI B29.1 means these chains interchange with existing sprockets and master links without modification or custom tooling.
| Chain Standard | ISO 606 / ANSI B29.1 Simplex |
|---|---|
| Available Models | 04C, 05B, 06B, 06C, 08A, 08B, 10A, 12A, 16A |
| Pitch Range | 6.35 mm – 25.4 mm (1/4 in – 1 in) |
| Material | Carbon Steel / Stainless Steel (see variant options) |
| Roller Diameter | See variant options |
| Inner Width | See variant options |
| Breaking Load | See variant options |
| Available Lengths | 0.5 m, 1 m, 1.5 m, 1.524 m, 5 m |
| Surface Finish | Natural / Self-colour (Carbon Steel); Brushed (Stainless Steel) |
| Lubrication | Light factory oil (carbon steel); dry-run capable with reduced load (stainless) |
| Connection Type | Compatible with standard master links (sold separately) |
| Application | Power transmission, conveyor drives, agricultural machinery, custom fabrication |
Match the chain pitch to your existing sprocket. The pitch is the center-to-center distance between roller pins. Common reference: 06B = 9.525 mm pitch, 08B = 12.7 mm, 10A = 15.875 mm, 12A = 19.05 mm, 16A = 25.4 mm. If you are replacing a worn chain, measure the pitch of the old chain or check the sprocket's part number for the matching chain designation. When in doubt, select the model and pitch from the variant options above and contact us to confirm compatibility.
A-series chains follow ANSI B29.1 dimensions, while B-series chains follow ISO 606 (European) dimensions. Both share the same pitch within a given size number, but inner width, roller diameter, and plate thickness can differ slightly. Always verify which standard your sprocket was designed for before ordering to ensure proper engagement and load rating.
Breaking load varies by model and pitch — larger pitch chains carry significantly higher loads. As a general guide, 04C handles light instrument and hobby drives, while 16A is suited to heavier industrial transmission. For specific load ratings, refer to the ISO 606 or ANSI B29.1 published tables for the selected model, or contact us with your application details (speed, load, sprocket size) for a recommendation.
The stainless steel 04C variants offer good resistance to oxidation and mild corrosion, making them suitable for outdoor exposure, wash-down environments, and food-adjacent applications where carbon steel would corrode. For highly aggressive chemical environments, verify the specific grade of stainless steel meets your requirements. Carbon steel variants should be kept lubricated and protected from prolonged moisture exposure.
Yes. Standard master links (also called connecting links) of the matching pitch and series allow you to join chain lengths end-to-end. Master links are sold separately. Ensure the master link's rated breaking load matches or exceeds the chain's rated load for your application. Avoid mixing A-series and B-series links within the same assembly.
Regular lubrication is the single most effective maintenance step for carbon steel chains — apply a light machine oil or chain lubricant to the inner link plates and rollers at regular intervals based on operating speed and load. Keep the chain tensioned within the sprocket manufacturer's recommended slack range; excessive sag accelerates wear. Inspect periodically for elongation (pitch increase beyond 1–2% indicates replacement is due) and for cracked or deformed link plates.
Calculate the required chain length using the standard formula: L = 2C + (N₁ + N₂)/2 + (N₂ − N₁)²/(4π²C), where C is the center distance in pitches and N₁/N₂ are the sprocket tooth counts. Round up to the nearest even number of links, then multiply by the pitch to get the total length in mm. Select the cut length from the variant options that meets or slightly exceeds your calculated requirement, then trim or add links as needed using a chain breaker tool.
