British Standard Simplex, Duplex and Triplex Taper Bored Sprockets

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Enquire about British Standard Simplex, Duplex and Triplex Taper Bored Sprockets

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Our range of Taper Bored Sprockets has been extended far beyond any of our competitor’s ranges of 3/8″ to 2″ pitch.

As well as now including:

  • Even Tooth sizes up to 40 teeth, & in between tooth sizes up to and including 114 tooth both in Cast Iron & Steel (including sizes not available elsewhere).
  • Larger Pitch Sizes up to & including 2″.
  • Some with alternative Bush Sizes.

To Compliment this range, the company also provides two other alternative ranges:

  • Reverse Taper Bushed (Bush fits in from the teeth side).
  • Simplex Taper Bushed with Induction Harden teeth.
  • Beside the Simplex Induction Harden range, the company also offer a Flame or Induction Hardening Service to any STEEL sprocket listed.

Range of Sizes

Note: We are continuously adding to or Extending our Ranges, hence if you cannot find it listed here, then please contact us via the ENQUIRY link on each page.

Material- Carbon Steel C45 E Uni En 10083-1 Cast Iron min- EN-GJL-200 Uni En1561

Tooth sizes in C45 Steel and are suitable for Flame Hardening – Cast Iron are in Grade GJL200 as Standard with Increased Boss Diameter & Heavy Duty Grades available on request

Alt. Shaft Fixing

As an alternative to either Boring & Keywaying a pilot bore sprocket or using a Taper bored sprocket and Bush. Why not take a look at the range of Locking Bushes we now offer, as they eliminate the need for fixing via a Keyway-Key thereby providing the added benefit of a uniform distribution of the drive load over the entire diameter of the bush.

View Range

Heat Treatments

  • FLAME HARDEN TEETH – Without Certificate
  • INDUCTION HARDEN TEETH – With Certificate
  • CASE HARDENING – With or Without Certificate

Plating Service

A Full range of add on Plating Finishes is available :-

  • Zinc (Clear & Yellow)
  • Nickel
  • Chemically Black Phosphate
  • Hard Anodising for Aluminium Products!



Beside the Reworking Service the company offers a Full Manufacturing
Service that caters for:-

  • Any requirement outside the stock range.
  • Customers own drawing requirement.
  • When a stock sprocket is not suitable.

View our manufacturing capacity


Need a bigger bore size than the maximum the bush will take? You could consider one of the following :-

  1. Simplex- Shaft Ready Range (Some sizes have increased Bore range)
  2. Stock Pilot Bore Sprocket (Can generally be bored & Keywayed for a larger shaft)
  3. Stock Pilot Bore Sprocket (with a Clamping or Friction bush)
  4. Some Pitch & Tooth Size are available to suit an increased Bush Size



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