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High-performance conveyor chain roller series with interchangeable designs using either HK2020/2RS needle roller bearings or deep groove ball bearings, made from 42CrMo4 steel, hardened to HB300–350 for durability in heavy-duty conveyor applications.
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Dual design choice: Needle roller bearing or deep groove ball bearing.
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Manufactured from premium 42CrMo4 steel with controlled hardness (HB300–350).
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Excellent wear resistance and load-bearing capacity.
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Compact design for easy integration into conveyor chains.
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Sealed versions (2RS) ensure protection from dust, water, and contaminants.
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Precision machined to ensure stable rotation and long life.
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Suitable for heavy-duty, high-load, and high-speed conveyor applications.
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Flexible interchangeability between needle roller and ball bearing assemblies.
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High accuracy surface finish with controlled chamfers and tolerances.
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Optimized for steel mills, bulk handling conveyors, and automated logistics chains.
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High-strength AISI 329 stainless steel chain pins for heavy-duty conveyor chains. Precision machined, wear-resistant, and designed for long service life.
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Material: AISI 329 stainless steel
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Diameters: d = 21–36 mm (M224, M315, M450, M630 etc.)
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Pin head angles: 30° & 27.5° chamfered ends for secure chain assembly
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Lengths (b1, b2): 64–154 mm, depending on chain size
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Precision tolerances: ±0.05–0.35 mm on critical dimensions
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Chamfers & radii: optimized for chain articulation and reduced wear
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Durable S355J0 steel sideplate with 153.67 mm pitch for crank link chains. Precision machining ensures strength, reliability, and long service life
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Made from S355J0 steel for high strength and impact resistance.
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Precision machined with tight tolerances for secure chain assembly.
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153.67 mm pitch design fits crank link and heavy conveyor chains.
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Optimized side profile reduces stress and improves durability.
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Ideal for heavy-duty conveyors and wood-processing applications.
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High-precision timing pulley with keyway & tooth valley design. Ideal for synchronous belt drives in machinery, conveyors, and automation systems.
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Precision machining ensures accurate belt engagement and smooth operation.
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Keyway alignment provides secure torque transfer without slippage.
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Tapped holes & reamed bore allow easy installation and flexibility in mounting.
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Durable natural finish ensures long service life with minimal maintenance.
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Versatile use in industrial machinery, conveyors, and automation systems.
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Premium motorcycle seat mounting bracket made of high-strength steel with chrome finish. Designed for Harley and custom bikes, ensuring secure seat installation with durability and precision
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Durable Steel Construction: Made from Q235 carbon steel, heat-treated for strength.
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Chrome Finish: Corrosion-resistant and polished for long-lasting shine.
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Precision Design: Slots and holes ensure easy installation and adjustment.
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Universal Fitment: Suitable for Harley-Davidson models and other custom bikes.
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Enhanced Safety: Provides secure seat attachment for reliable riding performance.
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High-strength Q235 steel lamella, 250mm length, 1.413kg, designed for heavy-duty scraper conveyors. Durable, wear-resistant, reliable for bulk handling
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Made from Q235 high-strength steel for superior durability
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Precision dimensions: 250mm length, 12mm thickness
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Single-piece weight: 1.413kg, suitable for large batch use (60,000+)
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Optimized bending angle for chain stability and smooth conveying
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Designed for scraper conveyors & heavy-duty bulk material handling
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High wear resistance in abrasive working conditions
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Cost-effective solution with long service life
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Custom production available based on client specifications
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Proven performance in steel, cement, power, and mining sectors
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High-precision spacer drive made of low carbon steel with black E-coat finish, featuring 5/8-8 ACME oversized thread for smooth fit, ideal for conveyor systems, automation, and industrial machinery.
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High Precision – Machined to strict concentricity tolerance of 0.010 in.
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Robust Material – Made from low carbon steel 1018 (A20) for strength and durability.
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Smooth Threading – 5/8-8 ACME oversized thread ensures reliable bolt engagement.
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Anti-Burr Design – Threaded holes are free of burrs for smooth bolt rotation.
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Corrosion Resistance – Black E-coat finish provides long-lasting protection.
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Versatile Applications – Suitable for conveyors, automation, and heavy machinery.
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Enhanced Reliability – Prevents misalignment and premature wear.
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High-precision aluminium threaded tube by Wuxi Tongbao. Durable, lightweight, and customizable housing ideal for optical instruments, electronics, and mechanical assemblies.
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- High-quality aluminium threaded tube
- Precision injection molding with accurate threading
- Lightweight and durable construction
- Provides secure and stable housing
- Resistant to wear, corrosion, and environmental stress
- Smooth surface finish for easy assembly
- Customizable size and design for OEM applications
- Easy installation with reliable fit
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Premium optical instrument and telescope accessories from Wuxi Tongbao. Durable, precise, and reliable components for astronomy and optical applications.
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Complete Telescope Accessories – Includes dovetail plates, mounting accessories, collimation tools, replacement knobs, and screws for reliable telescope upgrades.
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Enhance Stargazing – Improve accuracy and performance with precision finder scopes, astronomy flashlights, and polar alignment tools.
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Astrophotography Ready – Expand your imaging setup with telescope camera adapters, imaging filters, focal reducers, and field flatteners for sharper photos.
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Durable & Compatible – High-quality materials designed for long-lasting use, compatible with most telescope brands and models.
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For Beginners & Experts – Perfect for amateur astronomers and advanced users who want to maximize telescope performance and enjoy a better viewing experience.
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High-quality Chinese RV precision die casting parts, designed for step systems and awning mechanisms. Durable aluminum alloy, corrosion-resistant, with superior strength for reliable RV performance.
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Made from high-quality aluminum alloy with precision die casting
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Excellent corrosion resistance and long service life
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Designed for RV step systems, awning mechanisms, and structural brackets
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Strong load-bearing capacity with lightweight design
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Black coated surface for enhanced protection and aesthetics
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Compatible with multiple RV models and applications
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Forged carbon steel drift pin with hot-dip galvanized finish, Overall Length: 2-5/8 inch，CPSIA-compliant with lead-free test certification. Ideal for railway, construction, and heavy-duty structural fastening with excellent corrosion resistance.
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Head Dia.: 9/16 in
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Head Height: 15/64 in
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Overall Length: 2-5/8 in
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Shank Dia.: 5/16 in
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Point Form: 90°
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Material: Carbon Steel（碳钢）
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Finish: As Forged / As Ordered
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Forged carbon steel construction for high strength and durability.
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CPSIA compliant, SGS-tested lead-free certification.
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Hot-dip galvanized finish ensures long-term corrosion resistance.
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Round head and tapered point for easy installation and secure fit.
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Widely used in railway tracks, structural steel connections, and heavy-duty outdoor engineering.
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Stainless Steel Conveyor Chain Bush and Pin | Heat Treated Chain Components for Industrial Conveyor Systems
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Stainless Steel Construction – Excellent resistance to rust and corrosion.
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Heat-Treated Surface – Enhanced hardness and superior wear resistance.
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Precision Fit – Ensures smooth chain operation with reduced friction.
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Extended Service Life – Increases the durability of conveyor chain systems.
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High Load Capacity – Suitable for heavy-duty and continuous operations.
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Standard & Custom Sizes – Compatible with ISO, ANSI, and DIN chain designs.
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