Built for Demanding Applications

Industrial Sprockets & Gears

3 Standards

EU / ANSI / Asian

500+ SKUs

Sprockets & Gears

80″ Max

Flame-Cut Diameter

3 Standards

EU / ANSI / Asian

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Precision Manufacturing You Can Specify With Confidence

About Us

Since 2010

We are a manufacturer with decades of experience, dedicated to producing roller sprockets and precision gears that meet international standards. Our production facilities are equipped with CNC machining centers, ensuring that the tooth profile tolerances of all sprockets and gears meet DIN standard quality levels.

Each sprocket tooth profile is verified according to DIN 8187, ANSI B29.1, or JIS B 1801 (whichever is applicable). Gear tooth profile accuracy is documented according to DIN 3961 / ISO 1328 quality levels. We offer standard stock products for immediate shipment, as well as fully customized engineered components for OEM manufacturing and replacement parts projects.

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Complete Product Range

Sprockets & Gears for Every Standard

Whether your equipment follows European DIN, American ANSI, or Asian JIS specifications, our catalog covers the full spectrum of roller chain sprockets, gears, and racks.

DIN 8187 / ISO 606

European Standard Sprockets

Sprockets & platewheels, finished bore, stainless steel, taper bore, cast iron, ball bearing idler, and double sprockets. Pitches from 6.35 mm to 76.2 mm.

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ANSI / ASME B29.1

American Standard Sprockets

Steel stock bore, finished bore, double pitch, taper bore, split taper bushing (SDS), and QD bushing configurations. Sizes #25 to #240 and beyond.

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JIS B 1801

Asian Standard Sprockets

Finished bore, stock bore platewheels, double pitch, and double sprockets for two single chains — built to JIS and related Asian standards for Asian-built machinery.

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Module 1 – 10

Spur Gears

Parallel-axis spur gears with 20° pressure angle in C45 steel. Wide range of modules and tooth counts. Suitable for high-torque, low-to-moderate speed applications.

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90° Shaft Intersection

Bevel Gears

Straight bevel gears machined from C45 steel for 90-degree power transmission. Available in matched pairs with equal or differential ratios for diverse drive configurations.

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DIN 782 / 500–2000 mm

Gear Racks

Spur racks manufactured per DIN 782 with 20° pressure angle. C45 steel, modules 1 through 5, lengths in 500 mm, 1000 mm, and 2000 mm standard sections.

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Engineering Fundamentals

How Sprockets and Gears Transmit Power

A sprocket is a toothed wheel that engages directly with the links of a roller chain, converting rotational motion into linear chain movement — or vice versa. Unlike gears, sprockets and chains allow for long-distance power transmission without slippage, making them the preferred choice in conveyors, agricultural drives, and industrial automation lines.

Gears, on the other hand, mesh directly with each other tooth-to-tooth. Spur gears transfer torque between parallel shafts, while bevel gears handle 90-degree shaft intersections. Racks convert rotary motion to linear movement — a combination used in CNC machine tool tables, steering systems, and actuators.

The pitch diameter of a sprocket is determined by its chain pitch and the number of teeth: dp = P / sin(180°/z). Correct tooth form — defined by standards like DIN 8187 and ANSI B29.1 — ensures that the chain roller seats cleanly in the pocket radius, distributing load across multiple teeth simultaneously and minimising wear.

Sprocket and gear working principle diagram showing pitch diameter and tooth form

Key formula: Pitch Diameter dp = P / sin(180°/z) — where P is chain pitch and z is tooth count

Material Engineering

Material Options for Every Environment

Selecting the right material is as important as selecting the right tooth count. Here is how each alloy performs in real operating conditions.

STEEL C45

C45 Carbon Steel

Standard Grade

The standard choice for the vast majority of sprockets and gears in our catalog. Medium-carbon steel with excellent machinability, heat treatability, and wear resistance. Ideal for general industrial environments with moderate loads.

Induction Hardened HRC 40–50 Medium Carbon

ALLOY SSt

Stainless Steel (304/316)

Corrosion Proof

Our stainless steel sprockets follow DIN 8187/ISO 606 profiles. 304 grade suits most standard corrosion-resistant needs, while 316 grade is optimized specifically for harsh chloride-exposed environments such as food processing, marine, and pharmaceutical handling.

DIN 8187 / ISO 606 Austenitic Alloys Food & Marine Safe

HEAVY CI

Cast Iron

Damping King

Pearlitic gray cast iron sprockets suit lower-speed, high-tonnage applications. The self-lubricating graphite microstructure dramatically reduces scuffing in intermittent or poorly lubricated drives while providing superior physical vibration damping.

Pearlitic Gray Vibration Damping Self-Lubricating

PLATE FC

Flame-Cut Plate Steel

Heavy Duty

For large-pitch engineered conveying sprockets up to 80" (2,032 mm) in diameter. We supply custom flame-cut blanks from C1045 plate in FD, FT, FB, FPT, and FPB classifications. Teeth are CNC-milled and induction-hardened for extreme longevity.

C1045 Heavy Plate CNC-Milled Teeth Up to 80" Diameter

Talk to Our Engineering Team

How to Select the Right Sprocket or Gear

Identify Your Chain Standard

Confirm whether your existing chain follows DIN 8187/ISO 606 (European), ANSI B29.1 (American), or JIS (Asian). Check the chain pitch marking stamped on the side plates — typically in mm or inch fractions.

Determine Tooth Count & Ratio

Calculate your required speed ratio. Minimum recommended tooth count on the small sprocket is 17 for smooth operation; below 13 is not recommended for continuous duty. Higher tooth counts reduce chordal action and chain vibration.

Choose Bore Configuration

For new installations, finished bore to your exact shaft diameter is simplest. Where frequent removal is required, specify taper bore with the appropriate Taper Lock or QD bushing number. For large-diameter sprockets on keyways, stock bore with custom machining is often most economical.

Specify Material & Finish

Standard duty: C45 with black oxide. Wet or chemical environments: 316 stainless steel. Heavy abrasion: flame-cut C1045 with HRC 40–50 teeth. Food-contact requirements: SS304/316 with a clean machined bore, no keyway lubricant pockets.

Our Advantages

Competitive Advantage

Three International Standards Under One Roof

Most suppliers specialise in one standard. We stock European DIN, American ANSI, and Asian JIS sprockets alongside a full gears range, which means procurement teams can consolidate suppliers and engineering teams can source a mixed machine spec from one catalog.

Verified Tooth Form Accuracy

Tooth profiles are cut on CNC machining centers and verified against standard templates. For flame-cut sprockets, we document hub face machining (A), plate face machining (B), and teeth hardness on each batch. This level of documentation matters for maintenance records and warranty claims.

Custom & Non-Standard Configurations

Need a double sprocket for two single chains in a non-standard tooth count? A stainless steel taper bore in a pitch that is not in our catalog? Or a flame-cut sprocket matched to a proprietary engineered chain? Our engineering team handles non-standard quotes regularly — with drawings and material certs included.

Workshop

FAQ

Q1. What is the functional difference between gears and sprockets, and when should I use each?

Sprockets engage roller chain links and transmit power over a distance — the chain connecting drive and driven sprockets can span several meters, making sprocket-and-chain the right solution for agricultural headers, conveyor lines, and similar long-center drives. Gears mesh directly with each other and are compact, but require the shafts to be close together. For parallel shafts at the same center distance, spur gears are efficient and quiet; for intersecting shafts at 90 degrees, bevel gears are the appropriate selection. Both types are available from our catalog.

Q2. How do I identify whether my existing sprocket follows European, American, or Asian chain standards?

The most reliable method is to measure the chain pitch directly — the distance between two adjacent roller centres, in millimetres or fractional inches. European standard chains (DIN 8187) use metric pitches such as 9.525 mm, 12.7 mm, 15.875 mm, and 25.4 mm but expressed in mm. American ANSI chains use the same pitch values but are specified in inch fractions: 3/8", 1/2", 5/8", and 1". The tooth form tolerances differ slightly between the two standards, so you need to match the sprocket to the chain's original standard. Asian (JIS) sprockets are physically interchangeable with most European standard components but have minor dimensional differences in roller clearance and tooth profile.

Q3. Which sprocket material is the best option for a food processing conveyor that needs regular washdowns with caustic cleaners?

AISI 316 stainless steel sprockets are the correct specification for food processing and beverage environments subject to sodium hypochlorite, peracetic acid, or caustic soda cleaning regimes. The molybdenum addition in 316 grade provides substantially better resistance to pitting corrosion from chloride-based cleaners compared to 304 grade. Our stainless steel sprockets in the European standard series carry the same DIN 8187/ISO 606 tooth profile as the C45 steel range, meaning they are fully interchangeable on the same chain without re-tensioning.

Q4. What tooth count would you recommend for a smooth-running agricultural conveyor drive operating at low speed and high torque?

For low-speed, high-torque conveyor drives, a minimum of 17 teeth on the drive sprocket is generally recommended to keep chordal action — the slight speed variation as each chain link engages a new tooth — within acceptable limits. Where shaft centres allow, 19 to 25 teeth on the smaller sprocket significantly smooths out engagement noise and reduces roller impact stress. At very low speeds (under 30 RPM), cast iron sprockets can be a cost-effective choice due to their natural vibration-damping properties.

Q5. What is a QD bushing sprocket and where does it make sense to specify one over a standard finished bore sprocket?

QD (Quick Disconnect) bushing sprockets use a split-tapered bushing system that clamps onto the shaft with cap screws, without requiring a press or puller for removal. This makes them ideal wherever the sprocket needs to be removed frequently for chain tensioning, inspection, or replacement — such as packaging machine drives, aggregate screening plants, and food conveyors. The QD system also allows one stock bore sprocket to be matched with multiple bushing sizes, reducing the number of part numbers you need to hold in spares inventory. Available in ANSI B-series and C-series bushing standards.

Q6. Can you supply replacement double pitch sprockets that fit standard double pitch conveyor chains used in European packaging lines?

Yes. Our double pitch sprocket range covers both the European and American standard series. Double pitch chains — in which the link pitch is twice the roller pitch — allow the use of fewer, larger sprocket teeth while keeping the chain compact, a configuration common in low-speed European packaging lines, bottle conveyors, and assembly systems. We supply double pitch sprockets in the appropriate Asian standard series as well, covering C-type double pitch chains. Please specify the chain catalogue number when enquiring to ensure correct roller diameter and inner width compatibility.

Q7. What spur gear module and pressure angle are best suited for a power take-off gearbox driving agricultural implements at 540 RPM?

For agricultural gearboxes running at 540 RPM input under moderate-to-high torque, module 4 or module 5 spur gears with a 20-degree pressure angle are a common and reliable specification. The 20-degree pressure angle provides good load distribution, lower sensitivity to centre distance errors compared to 14.5-degree forms, and straightforward manufacturing. For higher shock loading — such as PTO drives to flail mowers or mulchers — module 5 with induction-hardened teeth in C45 steel is the recommended starting point. Our engineering team can assist with tooth count selection to achieve your required ratio and package space.

Q8. What is the maximum outer diameter available for your flame-cut steel sprockets, and can you supply chain to match?

Our flame-cut engineered sprockets are produced up to 80 inches (approximately 2,032 mm) in outer diameter, covering pitch ranges from 1.654 to 6.05 inches (42 mm to 154 mm). These large-diameter sprockets are manufactured in C1045 steel plate in FD (overall forging), FT and FB (welded), and FPT/FPB (steel plate) blank types, with CNC-milled teeth hardened to HRC 35–45. We also supply matching engineered conveying chains and pearlitic malleable cast iron chains from first-class chain manufacturers, ensuring that your sprocket and chain are specification-matched and will mesh correctly in service.