Tradex Instruments Ltd

Unit C, Davis Road, Chessington, Surrey, KT9 1TY

Categories: Engineering Services, Precision Engineering


Tradex have been producing high precision gears for many of the major Marine, Aerospace, Defence and Industrial Companies since 1961. Our output ranges from instrument gears of less than 2mm up to power transmission gears of 400mm diameter. We employ a flexible assortment of machine tools that are quickly adaptable to short or long runs and produce to the most exacting specifications that are synonymous with todays` marketplace.

About The Company

Tradex Instruments Ltd started trading in 1961 specialising in precision gear cutting. We are a family run company and pride ourselves on our personal and professional service, making us one of the country's leading precision gear cutting organisations. Over forty years later we still operate to the same values and high standards, providing precision gear cutting to a large client base both in the United Kingdom and Globally. Today Tradex employs 12 staff, who through their dedication to detail, have added to the success of our company.

Tradex Instruments Techniques

Gears, CNC Turning, Gear Cutting, Gear Hobbing, Swiss Turning, Chain Sprockets, Repetition Turning, Splines, Cylindrical Grinding and Internal Serrations.

CNC Turning

Computer numerical control or CNC is a versatile system that allows you to control the motion of tools and parts through computer programs that use numeric data.

At Tradex we are dedicated to producing precision components, using the highest quality CNC turning centres.

Swiss Turning

At Tradex we have the ability to manufacture even the most complex components and parts to minute specification.

Tradex operate with up to date Swiss turning machines and an unsurpassed team of Swiss turning technical expertise, we can turn your concept into reality.


Broaching allows the speedy formation of internal splines and can be an economic alternative to shaping.

Broaching produces an accurate well finished form on runs of many thousands.

Broaching is also used extensively to produce keyway slots.

Helical Gear Suppliers

The teeth on helical gears are cut at an angle to the face of the gear this increases the strength of the teeth because of the elongated helical wrap around.

When two teeth on a helical gear system engage, the contact starts at one end of the tooth and gradually spreads as the gears rotate, until the two teeth are in full engagement.

This gradual engagement makes helical gears operate more smoothly and quietly than spur gears. For this reason, helical gears are commonly used in automotive transmissions.

If you have any questions, please call Tradex Instruments Ltd on 0208 391 0136 where a member of our team will be more than happy to help with your enquiry.

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Opening Hours

Monday to Thursday 08:00 to 17:30
Friday 08:00 to 13:00
Saturday to Sunday Closed

Payment Methods

We accept:

  • Cheque


  • Aerospace Gears Splines
  • cnc turning
  • gear cutting
  • Gear Hobbing
  • gears
  • Helical Gears
  • Precision gears
  • Serrations
  • Splines
  • Spur Gears