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Product Specification
Boss Dia (mm)
80
Bush Type
2012
Length Inc Boss (mm)
35
No of Teeth
20
Pcd (mm)
121.78
Brand
Medway
Quick Order Code
BB-6415
Product Description

Taperlock Type Roller Chain Sprocket 12B1-20T

This high-quality taperlock sprocket is designed for use with 12B-1 3/4 inch pitch roller chain systems. Manufactured by Medway to ISO standards from hardened steel, this sprocket delivers reliable performance in industrial power transmission applications.

Key Specifications:

  • 3/4 inch pitch Simplex
  • 20 teeth
  • Taperlock bush type: 2012
  • Boss diameter: 80 mm
  • Pitch circle diameter (PCD): 121.78 mm
  • Length including boss: 35 mm
  • Compatible with 12B1 roller chain

Features & Benefits:

  • Taperlock bush design enables quick and easy installation without removing the sprocket from the shaft
  • Manufactured from hardened steel for durability and extended service life
  • ISO standard construction ensures quality and compatibility
  • Ideal for machinery, conveyors, and industrial drive systems requiring a 20-tooth configuration

This mid-range tooth count sprocket offers an excellent balance between speed and torque, making it suitable for a wide variety of industrial applications. Part of our comprehensive range of 12B-1 Simplex sprockets available from 13 to 95 teeth.


  • 12B1 Roller Chain To Suit
  • 2012 Taperlock Bushes to Suit