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Sprocket and Platewheel Manufacturing

Sprocket and Platewheel Manufacturing

As one of the larger sprocket producers in the United Kingdom, we can manufacture to suit your individual requirements in a wide range of materials and pitches:

Products are supplied and finished to customer specifications, including heat treatment and protective finishes. We have the resources to manage large contracts as well as the flexibility to meet small protoype requirements. In addition to the manufacture of made-to-order sprockets, TransDev holds £¼ million of stock sprockets, gears and pulleys available for immediate despatch.

  • Materials: Steel, Stainless Steel, Cast Iron, Plastics
  • Capacity: Diameters from 3mm (0.125”) to 1 metre (39”) Face widths up to 196mm (7.5”)

BS Sprockets (British Standard)

Description 04B 05B 06B 081 083 08B 10B 12B 16B 20B 24B 28B 32B
Pitch 6mm 8mm 3/8″ 1/2″ x 1/8″ 1/2″ x 3/16″ 1/2″ 5/8″ 3/4″ 1″ 1 1/4″ 1 1/2″ 1 3/4″ 2″

ASA Sprockets (American Standard)

Description ASA35 ASA40 ASA50 ASA60 ASA80 ASA100
Pitch 3/8″ 1/2″ 5/8″ 3/4″ 1″ 11/4″

Note: All D1 bore references = Bore Ø H12

Rework of Sprockets


  • Up to 180mm H7 as standard
  • Over 180mm – please enquire


  • Up to 25mm JS9 rectangular parallel keyways as standard
  • Over 25mm and special – please enquire

Tapped holes

  • Up to M16 as standard
  • Over M16 – please enquire


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