Wednesday, April 29, 2026

Straight Link 12B1 Chain Connector (8020K191111 / K1911)

 The K1911 straight link (12B1) is a compact and essential component used for connecting and repairing roller chains in mechanical and agricultural systems. It ensures reliable chain continuity and strength.


Key Specifications

  • Product Name: Straight chain link/connector
  • Part Number: 8020K191111 / K1911
  • Chain Type: 12B1 (3/4" × 7/16")
  • Material: Steel
  • Pin Diameter: 5.72 mm
  • Width (B): 11.68 mm
  • Weight: ~0.02 kg
  • Price: ~7.00 PLN (gross)

Build & Design

This connector is made from durable steel, featuring:

  • Two solid side plates
  • Integrated pins for secure chain connection
  • Compact, precise design for standard 12B1 chains

The construction ensures high strength and resistance to wear, even under continuous motion.


Performance

  • Provides a secure and stable chain connection
  • Maintains proper alignment and motion
  • Withstands mechanical load and vibration
  • Suitable for regular operation in demanding environments

Applications

  • Agricultural machinery
  • Industrial drive systems
  • Conveyors and mechanical equipment
  • Chain repairs and extensions

Ease of Use

  • Designed for quick installation in compatible chains
  • Fits standard 12B1 chain systems
  • Requires basic tools for assembly

Value for Money

At around 7 PLN, this is a very affordable spare part, making it ideal for maintenance and quick repairs.


Pros

  • Strong steel construction
  • Compatible with standard 12B1 chains
  • Easy to install
  • Low cost

Cons

  • Specific to one chain size
  • Requires correct installation for safety

Final Verdict

The K1911 straight link 12B1 is a simple, reliable, and cost-effective chain connector. A must-have for maintaining chain-driven systems, especially in agricultural and industrial settings.



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