Coventry Grinders are pleased to be able to offer a wide range of gauge plate, silver steel and abrasive products, which have a high range of industrial applications. We are proud to be technical distributor for Norton and Flexovit and also stock products by Pferd, VSM and Mirka.


Gauge Plate and Ground Flat Stock

About our gauge plate

Gauge plate (also known as ground flat stock) is a high quality tool steel supplied in its annealed condition. Precision ground to size on both width and thickness dimensions to a close tolerance. This Material is capable of reaching high hardness levels with the minimum of movement. This gives the product great versatility to a whole range of engineering applications.

With our in-house grinding facilities we are able to produce almost any non-standard size, metric or imperial. We can work to close tolerance & flatness requirements in small or large quantities. We pride ourselves on our fast deliveries, in cases can be made the same, or next day.
We stock the standard range of metric & imperial sizes.

Gauge Plate/Ground Flat Stock
BS4657/A.I.S.I 01/WN 1.2510

Material type: 01 tool steel BS4659
Hardness capability: Can reach rockwell C.62

Imperial sizes

Width: -0.000″/+0.005″
Thickness: +/-0.001″

Metric sizes

Width: -0.000mm/+0.127mm
Thickness: -0.000mm/+0.050mm

Carbon: 0.85%/1.05%
Manganese: 1.00%/1.40%
Tungsten: 0.40%/0.60%
Chromium: 0.40%/0.60%
Vanadium: 0.15%/0.30%


3/8″, 1/2″, 5/8″, 3/4″, 1″, 1.1/4″, 1.1/2″, 2″, 2.1/2″, 3″, 3.1/2″, 4″,5″, 6″, 8″, 10″, 12″


1/32″, 1/16″, 3/32″, 1/8″, 5/32″, 3/16″, 1/4″, 5/16″, 3/8″, 1/2″, 5/8″, 3/4″, 1″ , 1.1/4″, 1.1/2″, 2″


10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm, 70mm, 75mm, 80mm, 100mm, 125mm, 150mm, 200mm, 250mm, 300mm


1mm, 1.5mm, 2.0mm, 3.0mm, 4.0mm, 5.0mm, 6.0mm, 8.0mm, 10.0mm, 12.0mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm

Silver SteelSee all

Silver Steel

Imperial sizes

Up to 1″: 0.00025″
Over 1″: 0.0005″

Metric sizes

Up to 25mm: 0.015mm
Over 25mm: 0.025mm


1/16″, 3/32″, 1/8″, 5/32″, 3/16″, 7/32″, 1/4″, 9/32″, 5/16″, 11/32″, 3/8″, 13/32″, 7/16″, 15/32″, 1/2″, 17/32″, 9/16″, 19/32″, 5/8″, 21/32″, 11/16″, 23/32″, 3/4″, 13/16″, 7/8″, 15/16″, 1″, 1.1/8″, 1.1/4″, 1.1/2″, 2″


1.0mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm, 7.0mm, 7.5mm, 8.0mm, 8.5mm, 9.0mm,9.5mm, 10.0mm, 10.5mm, 11.0mm, 11.5mm, 12.0mm, 12.5mm, 13.0mm, 14.0mm, 15.0mm, 16.0mm, 17.0mm, 18.0mm, 19.0mm, 20.0mm, 21.0mm, 22.0mm, 23.0mm, 24.0mm, 25.0mm, 26.0mm, 27.0mm, 28.0mm, 29.0mm, 30.0mm, 31.0mm, 32.0mm, 33.0mm, 34.0mm, 35.0mm, 36.0mm, 37.0mm, 38.0mm, 39.0mm, 40mm,, 50.0mm

Key Steel And Silver Steel

About our silver steel

This product is a high carbon bright steel ground to a very close tolerance. It is supplied in an annealed condition but because of the high carbon and chromium content it can achieve high hardness levels. This is a versatile product that can be used in many engineering applications. Silver Steel is available in a large size range in both metric & imperial diameters. Some non-standard sizes can be found in stock (e.g. 1mm, 5/64″) and we are able to produce non standard sizes to order.

We carry an extensive range of silver steel in metric & imperial measurements, with the standard lengths of 13″, 1 metre & 2 metre. 3 metre lengths can be supplied on request.


Abrasives, Grinding Wheels And Discs

About our abrasive products

Coventry Grinders offers a wide range of abrasive products. We can supply all leading brands of grinding wheels, grinding discs, linishing belts & diamond products from respected brands such as Norton, Flexovit, Pferd & VSM. We maintain a comprehensive range of vitrified wheels in stock from general purpose wheels to specialist ceramic wheels.

Coventry Grinders offer support & advice in all manners of grinding applications to suit your needs. We work closely with our manufacturers to develop bespoke abrasive solutions that meet your requirements.

Abrasive Products

30% ceramic abrasive wheel ideally suited to grind harder materials. Cool cutting with high stock removal and long-lasting performance.

Made from white aluminium oxide grade these are versatile general purpose wheels suitable for use on a wide range of materials.

– Diamond cup wheels
– CBN products
– Dish wheels
– Slitting wheels
– Electroplated products

– Single point diamonds
– Cluster diamonds
– Chisel diamonds
– Blade dressers
– Electroplated products


Key Steel
BS970 EN8D/080A42

Basic tolerance is size-dependent; please contact us directly for more information.


1/8″2, 3/16″2, 3/16×1/4″, 1/4″2, 1/4×5/16″, 1/4″x3/8″, 1/4″x5/8″, 5/16″2, 5/16×1/2″, 3/8″2, 3/8×1/2″, 3/8×5/8″, 3/8×3/4″, 7/16″2, 1/2″”2, 1/2×5/8″, 1/2×3/4″, 1/2×1″, 9/16″2, 5/8″2, 5/8×3/4″, 5/8×7/8″, 5/8×1″, 3/4″2, 3/4×7/8″, 3/4×1″, 3/4×1.1/4″, 7/8″2, 7/8×1″, 7/8×1.1/4″, 7/8×1.1/2″, 1″2, 1×1.1/4″, 1×1.1/2″, 1.1/8″2, 1.1/4″2, 1.1/4×1.3/4″, 1.1/2″2, 1.3/4″2, 2″2


4mm2, 5mm2, 6mm2, 6x10mm, 7x8mm, 8mm2, 8x10mm, 8x12mm, 9x14mm, 10mm2, 10x12mm, 10x16mm, 11x18mm, 12mm2, 12x20mm, 14mm2, 14x22mm, 14x25mm, 16mm2, 16x20mm, 16x25mm, 16x28mm, 18mm2, 18x32mm, 20mm2, 20x25mm, 20x36mm, 22mm2, 22x40mm, 25mm2, 25x40mm, 25x45mm, 28mm2, 28x50mm, 30mm2, 32mm2, 32x56mm, 36mm2, 38mm2, 40mm2, 45mm2, 50mm2

Key Steel And Silver Steel

About our key steel

Key steel is produced from specially processed bars of the type usually used to make machine keys. Key steel is a very versatile product that can be used in factory machine shops, maintenance departments and precision engineering. It can be used practically and in keyed assembly. Bars are supplied in 12” lengths and 1 metre bars and in a bright drawn finish. A full standard range of both metric and imperial sizes are available.

Please get in touch to see how Coventry Grinders can help you

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