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CONVEYOR CHAIN WITH SPECIAL EXTENDED PINS
CONVEYOR CHAIN WITH SPECIAL EXTENDED PINS CONVEYOR CHAIN WITH SPECIAL EXTENDED PINS
CONVEYOR CHAIN WITH SPECIAL EXTENDED PINS CONVEYOR CHAIN WITH SPECIAL EXTENDED PINS
CONVEYOR CHAIN WITH SPECIAL EXTENDED PINS CONVEYOR CHAIN WITH SPECIAL EXTENDED PINS
CONVEYOR CHAIN WITH SPECIAL EXTENDED PINS CONVEYOR CHAIN WITH SPECIAL EXTENDED PINS

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Conveyor Chain with Special Extended Pins

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A conveyor chain with a special extension pin is a chain that increases the strength and stability of the chain or ADAPTS to specific conveying requirements by extending the pin on the basis of the standard conveyor chain.
  • 10A-D9

  • PLW or Made to order

  • Carbon Steel

  • Plastic Bag+Carton Box+Plywood Case

  • PLW

  • CHINA

  • Standard

  • Extended Pin Chain

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Conveyor Chain with Special Extended Pins

As a specialized material handling solution, the Conveyor Chain with Special Extended Pins is engineered to address unique conveying challenges that require enhanced attachment versatility and load-bearing stability. Designed with precision-extended pins as the core feature, this chain integrates robust structural construction with customized pin designs, adhering to ANSI B29.1 and ISO 606 standards. It excels in scenarios where attachments need extra mounting space, offset positioning, or enhanced load distribution, making it a reliable choice for automated production lines, specialized sorting systems, and heavy-duty material transport across diverse industries.

Core Advantages: Special Extended Pins & Enhanced Performance

The defining feature of this chain is its special extended pins, which are precision-machined to extend beyond the side plates—providing additional mounting space and flexibility for attachments. Unlike standard chains with flush pins, the extended pins can be customized in length (10mm to 50mm beyond side plates), diameter, and thread specifications, supporting a wide range of attachment types including custom brackets, lifting forks, pushing arms, and clamping devices. This design enables offset mounting, multi-layer attachment installation, and direct integration with specialized fixtures, eliminating the need for auxiliary adaptors and reducing assembly complexity.
Built for durability and load-bearing reliability, the extended pins are crafted from high-grade alloy steel (35CrMo, 40MnB) and undergo the same rigorous heat treatment as the chain’s core components—carburizing, quenching, and tempering—to achieve a surface hardness of HRC 60-64 and excellent core toughness. This ensures the pins resist wear, bending, and shear forces even under heavy dynamic loads and frequent start-stop cycles. The chain core features reinforced side plates and precision roller-bushing assemblies, with a tensile strength 20% higher than standard conveyor chains, supporting working loads from 15kN to 180kN across single-strand to triple-strand configurations.
Versatility and adaptability are further enhanced by customizable pin designs and protective treatments. Extended pins can be finished with threads, keyways, or locking grooves to secure attachments firmly, preventing rotation or displacement during operation. Optional surface treatments for both the chain and pins include black oxide, zinc plating, hot-dip galvanizing, and PTFE coating, providing targeted protection against corrosion, abrasion, and high temperatures. The chain covers pitch sizes from 12.7mm to 38.1mm, supporting operating speeds of 0.2m/min to 300rpm, and is fully compatible with standard ANSI sprockets for easy system integration.

Structural Excellence & Operational Resilience

The chain is engineered for stable performance in complex conveying layouts, including straight, curved, and inclined paths (maximum climbing angle 30°). The extended pins are precision-aligned with the chain’s centerline, ensuring balanced load distribution and preventing lateral deflection during operation. The roller-bushing assembly minimizes friction and noise (operating noise ≤58dB), while the reinforced side plates enhance structural integrity, even when attachments exert offset loads. It operates reliably in a temperature range of -30℃ to 140℃, adapting to harsh industrial environments such as high-temperature processing, humid workshops, and dusty construction sites.
Safety and maintainability are integrated into every design detail. Extended pins feature chamfered edges to prevent sharp contact with materials and operators, while locking mechanisms (nuts, cotter pins, or snap rings) secure attachments firmly. The chain supports on-site maintenance with easy-to-replace pins and attachments, and its predictable wear pattern allows for proactive servicing. Standardized core components ensure compatibility with existing conveyor systems, reducing replacement costs and downtime.

Technical Specifications

Parameter
Details
Product Type
Conveyor Chain with Special Extended Pins (ANSI B29.1, ISO 606 compliant)
Material
Alloy steel (35CrMo, 40MnB) for chain core and extended pins; optional 304/316 stainless steel
Heat Treatment
Carburizing, quenching, and tempering (pins/rollers: HRC 60-64; side plates: HRC 45-50)
Extended Pin Specifications
Length: 10-50mm beyond side plates; customizable diameter, threads, keyways, or locking grooves
Pitch Size
12.7mm (1/2") to 38.1mm (1-1/2") (ANSI standard)
Working Load Capacity
15kN - 180kN (single-strand to triple-strand configurations)
Operating Speed
0.2m/min - 300rpm (load-adaptable, precision scenarios ≤2m/min)
Surface Treatment
Black oxide, zinc plating, hot-dip galvanizing, PTFE coating (anti-corrosion, wear-resistant)
Certifications
ANSI B29.1, ISO 606, SGS, FDA (for food-grade applications)

Application Scenarios

The Conveyor Chain with Special Extended Pins excels in specialized material handling scenarios, delivering tailored performance across key industries:
  • Automotive Manufacturing: Conveys large auto parts (engines, chassis), with extended pins supporting custom lifting forks and offset brackets for stable positioning during welding and assembly.

  • Logistics & Heavy-Duty Sorting: Handles pallets, large cartons, and bulk containers; extended pins with threaded ends enable quick attachment of pushing arms and clamping devices for high-throughput sorting.

  • Construction Material Handling: Transports pipes, profiles, and irregularly shaped construction components; long extended pins provide extra mounting space for custom fixtures to prevent slippage.

  • Industrial Machinery: Integrates with processing equipment (forging, stamping machines) to convey heavy workpieces; reinforced extended pins withstand high impact loads and high-temperature environments.

  • Food & Beverage Bulk Transport: Moves large barrels, tanks, and bulk food containers; food-grade stainless steel extended pins support custom carrying brackets, complying with hygiene standards.

Quality Assurance & After-Sales Support

Each Conveyor Chain with Special Extended Pins undergoes strict full-process quality control, from raw material inspection and pin precision machining to final assembly and performance testing. Rigorous checks—including pin shear strength, attachment stability, wear resistance, and dimensional accuracy—ensure compliance with international standards and reliable performance in specialized applications. This commitment to quality minimizes downtime and maintenance costs for customers.
We offer end-to-end customization for extended pins, including length, diameter, and locking mechanism design, paired with technical consultation to optimize attachment integration. Our team provides on-site installation guidance, maintenance training, and 24/7 technical support. All products come with an extended quality warranty, ensuring customers’ investment in specialized material handling solutions is fully protected.
Choose the Conveyor Chain with Special Extended Pins for unmatched attachment versatility and load-bearing reliability. It’s the specialized solution for your unique material handling challenges, empowering efficient and stable industrial operations.

29-1

CH AIN NO. P b1 d2 d3 L3 L Lc d4
Cadena No mm mm mm mm mm mm mm mm
10A-D9 15.875 9.40 5.08 6.35 20.0 39.5 41.1 -
16AF1 25.400 15.88 7.92 9.00 20.0 51.2 54.7 -
08B-D4 12.700 7.75 4.45 6.00 15.0 31.2 32.4 -
08B-D7 12.700 7.75 4.45 6.00 14.0 30.2 31.4 2.6
08BF3 12.700 7.75 4.45 6.00 8.0 24.2 25.4
10BF2 15.875 9.65 5.08 6.00 25.0 43.4 44.8
10BF3 15.875 9.65 5.08 8.00 25.0 43.4 44.8
10B-D7 15.875 9.65 5.08 6.50 40.0 58.5 60.1 -
12B-D5 19.050 11.68 5.72 8.00 40.0 61.4 63.1
12B-D6 19.050 11.68 5.72 6.00 20.0 41.1 42.9
12B-D7 19.050 11.68 5.72 8.00 25.0 46.4 48.2


29-2


CHAIN NO. P b1 d3 L2 L3 L
Cadena No mm mm mm mm mm mm
12A-D7 19.050 12.57 8.10 8.6 8.6 40.0
06B-D4 9.525 5.72 3.28 3.0 5.0 19.4
08B-D8 12.700 7.75 4.45 10.0 38.0 62.5
08BF7 12.700 7.75 4.45 3.0 5.0 22.8
16BF4 25.400 17.02 8.28 18.0 18.0 68.0


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