American Standard Simplex, Duplex, Triplex Sprockets Pilot Bore

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Enquire about American Standard Simplex, Duplex, Triplex Sprockets Pilot Bore

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For Roller Chains to ANSI B29.1-DIN8188-ISO6060R.

This Stock Range of Sprockets are to suit Roller Chains that confirm to ANSi B29.1 Din 8188 and ISO 606R Standards. The dimensions are too the Metric European series which have been commonly adopted throughout Europe and are in C45 Carbon Steel. The Tooth range can be extended further by utilizing the large Stock Range of Plate wheels the company offers, as although these do not have a boss, they can be supplied with a weld on a boss if required. Further Sizes and different design types can be supplied through the company’s UK Manufacturing Service so as to provide a One Stop Service regardless of whether you require a one-off special, a prototype or small volume repeat business, the company can even cater for Large volume repeat business from its Competitive purpose built European manufacturing partners in Italy.

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.

These Sprockets are produced in C45 E Uni En 10083-1 and are suitable for Flame & Induction Hardening.


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

Alternative Design Types

We have a range of alternative design types available :-

  • Weld on Boss Type
  • Weld in through Boss Type
  • Double Central Boss Type
  • Double Offset Boss Type
  • Idler Sprockets (with Bearing)
  • Larger Boss Diameter Type
  • Longer boss length Type

View alternative range.


Reworking Service

To compliment the Stock range of Products the company offers a comprehensive reworking service to modify any stock sprocket to your individual requirements.

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



View our Introduction to Roller Chain Sprockets, including how to Identify and how to improve the life of your drive sprockets by up to 50%. LOOKING FOR A SIZE NOT LISTED HERE? Then please check the range of ANSI plate wheels, as any of these can supplied with a Weld on Boss if required. Be Careful when selecting drive wheel for the Extended or Double Pitch Roller Chains such as 2040, 2050, 2060, 2080 & 2100, as besides being able to use the Shorter Pitch Standard Ansi series sprockets as listed here and driving off every other Tooth you can also use drive wheels that are cut to the correct pitch for these and drive wheels to suit C2042, C2052, C2062, 2062, C2082 & C2102 Series (Larger Roller Type) please contact our Sales Department for details. We strongly recommend that when replacing drive wheel for these chains, you should obtain the outside diameter and the number of teeth and provide us with that information when you contact our Sales Team for a quotation.

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