Composite Roughness Comparator Set

Product Description
£202.00 (ex VAT)
Usually ships in: 2-3 days
Delivery price: £12.00
  • Surface Roughness Comparators are widely used in Drafting Rooms, Inspection Departments and Engineering Workshops. They provide a realistic idea of the feel, appearance and texture of machined components
  • Sets are available with the individual plates marked in both MICROINCH (µ” AA) and the METRIC system (µm Ra) Manufactured from Solid Electro Formed Nickel
  • Conforms to ANSI-B-46-1978, ISO/R. 468 and US Military Standard 4566 accuracy within permitted tolerance of ±12% as per ANSI, ISO and Mil Specs
  • Invaluable for both visual and tactile inspection of component surface finish
  • It consists of 30 specimens which cover a comprehensive range of both the inch system AA microinches and the metric system Ra micrometers
  • The references plates are manufactured from electro formed solid nickel
  • Flat Lapping: 2, 4 and 8μ” AA
  • Reaming: 16, 32, 63μ” AA
  • Grinding: 2, 4, 8, 16, 32, & 63μ” AA
  • Horizontal Milling: 16, 32, 63, 125, 250, & 500μ” AA
  • Vertical Milling: 16, 32, 63, 125, 250, & 500μ” AA
  • Turning: 16, 32, 63, 125, 250, & 500μ” AA

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Why we're different...

Engineering & Gauge Ltd was formed in 1990 by an engineer with over 40 years of Metrology experience. All our customer support team speak the language of engineers.

At Engineering & Gauge Limited we pride ourselves on our fast and efficient dispatch of orders, which is one of many factors that has enabled us to build and maintain a loyal, happy customer base.

We deliver through a reputable and professional courier service, the service used is based on the weight and contents of your order. Currently we cannot offer you the option to choose your preferred carrier or delivery day.

We offer a standard delivery service to Europe and the rest of the World. All options and prices are clearly displayed during the checkout process.


Weight UK
UK Up to 1kg £4.49
UK 1kg-20kg £8.99
UK Over 20KG £19.99
Weight Europe USA/Canada ROW
0 - 1kg £25.00 £29.00 £37.00
1 - 5kg £37.00 £40.00 £57.00
5 - 10kg £55.00 £62.00 £98.00
10 - 20kg £74.00 £87.00 £144.00