Thread Gauges
Plain Plugs & Rings
Aerosol Gauges
Length, Groove, Thickness & Diameter
Spline Gauges & Gear Metrology
3-Point Groove Measurement

Plain Plugs & Rings

The ubiquitous Go/NoGo gauging system is the simplest and often most effective way of checking hole and shaft sizes. Available as:

  • Plain cylindrical plug and ring gauges: 0.2mm to 250mm
  • Setting rings: 1.5mm to 200mm, Class XX and Class X

We offer two levels of service: Standard Delivery within 3-4 weeks and FastTrack for urgent jobs.

UKAS Certificates are available with all these gauges.

All gauges are supplied in through-hardened toolsteel and some products are available in ceramic or tungsten carbide.

Plain Diameters

Wear Allowance Nogo / Go
Gauge Tolerance disposition – Plug Gauges
Wear Allowance Go/ NoGo
Gauge Tolerance disposition – Ring Gauges

This diagram shows the relationship between product tolerancing and gauge tolerancing. The practice in the UK is to apply tolerances in accordance with BS969:1982 but we can of course supply to other national and international standards.

Plain Plug Gauges
Plain Plug Gauges
Plain Ring Gauges
Plain Ring Gauges
Plain Double Ended Plug
Plain Double Ended Plug
Plain Ring
Plain Ring Gauge with black exterior
Setting Ring for Bore Micrometer
Setting Ring for Bore Micrometer
Tapered Plug Gauge
Tapered Plug Gauge
Tapered Ring Gauge
Tapered Ring Gauge

Taper Gauges

Manufactured to national and ISO standards these are supplied in Toolsteel or Hardchrome.

  • Taper plug and ring gauges
  • Machine taper, morse taper
  • Luer taper

We offer two levels of service: Standard Delivery within 3-4 weeks and FastTrack for urgent jobs.

UKAS Certificates are available with all these gauges.

Taper Gauges Mix
A variety of different taper gauges

Square, Hexagonal & Spherical Gauges

These gauges are custom built. Send us your design documentation or specifications and we can assess the optimum gauges for your application.

  • Taper plug and ring gauges
  • Square, hexagonal and spherical gauges
  • Thread depth gauges
  • Bevelled straight edges and squares
  • Sine bars, X-Y tables
  • UKAS Certificates are available with all these products
Thread depth gauges
Thread depth gauges
spherical gauges
Spherical Gauges

Precision pin sets

Pin sets are available in a variety of standard configurations and increments, usually supplied in special boxes to protect your investment. Special sets can be made up to your requirements.

Boxed sets of pins 0.1mm to 20mm diameter, tolerances from 0.5 micron.

All pins are through hardened toolsteel, precision lapped to either unilateral or bilateral tolerances. Pins can also be supplied in ceramic or tungsten carbide.

UKAS Certificates are available with all these gauges.

Yorkshire Precision Pin Set
Precision Pin Gauge Set