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Steel Gauge Blocks

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Made From High Quality Steel
Supplied With a UKAS Calibration Certificate
Sizes 0.5mm to 1000mm
Product Details
Steel is the traditional material for gauge blocks. Gauges made from steel can provide many years of useful life if used and looked after carefully.

They must me cleaned carefully after use, stored in a dry environment and be protected against corrosion.

Opus steel gauge blocks are manufactured from special selected steels and carefully machined to provide gauges of the highest quality, all gauges have the following characteristics

  • Highly alloyed steel
  • Hardness to greater than 63 Rc
  • Aged and stress relieved to promote stability
  • Sets housed in a quality wooden case

Opus steel gauge block are calibrated in our own UKAS  for length and parallelism and graded according to the relevant national or international specification.

All measured results are stored on our database using software which was developed specifically for us.

A UKAS calibration certificate can be supplied free of charge with each order providing it is specified on the initial request

Gauges can be supplied in sets or as individual sizes, special sizes up to 100mm in length can also be supplied upon request.

Please click here to view our full range of standard sets.

  • Manufactured from High Alloyed Steel
  • Coefficient of Thermal Expansion: 11 ±1 x 10-6 per °C
  • Hardness: > 63 Rc
  • Youngs Modulus: 205 Gpa
  • Sizes 0.5mm to 1000mm

Key Features
  • Available as Individuals or Sets
  • Special Sizes Available (Metric Only)
  • Supplied With a UKAS Calibration Certificate
  • Cross Sections Sizes:
  • 10mm & Below 30mm x 9.0mm
  • Over 10mm 35mm x 9.0mm

Download Specification

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Contact Details


Phone: +44(0) 1536 204681
Fax: +44(0) 1536 205272

Unit 15 Maylan Road
Earlstrees Industrial Estate
NN17 4DR
Opening Times

Monday: 08:00 - 17:00
Tuesday: 08:00 - 17:00
Wednesday: 08:00 - 17:00
Thursday: 08:00 - 17:00
Friday: 08:00 - 13:00
Saturday: Closed
Sunday: Closed