01296 393133
M1 Iron Calibrated Weights
Weights up to 2kg are hexagonal in shape for easy handling, while larger bar weights (5kg – 50kg) are designed with a sturdy built-in handle for safe and practical use.
Frequently Asked Questions
If you are looking to check the accuracy of your scales regularly, we recommend getting a weight that's is at roughly 90% of your scales capacity. For example in a 12kg scale getting a 10kg weight would be suitable for regular checks.
F1 and M1 weights are two different classes of weights, F1 is more accurate yet more costly, for more info about finding the right class of weights call the team on 01296393133.
Recalibration of weights is crucial, we recommend having them done yearly to ensure complete accuracy view Oakleyweigh's Weight Calibration
At Oakleyweigh, if you are working in any potentially wet environments- we recommend stainless steel weights, however cast iron weights are always useful for large calibration weight testing.
Buying weight sets can save you money on buying large quantities of weights, they also include a convenient carry case for easy moving when checking the accuracy of scales at multiple ranges
Refine Your Search
All weights are calibrated to M1 standards and supplied with a Certificate of Calibration traceable to National Standards, ensuring compliance and confidence in their accuracy.
Why Choose M1 Cast Iron Weights?
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Calibrated to M1 Standard – Full certification traceable to National Standards included.
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Durable Cast Iron Construction – Sand cast, shot blasted, and black matt coated for strength and corrosion resistance.
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Range of Sizes – From 100g hexagonal weights to 50kg bar weights with handles.
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Practical Design – Easy-to-handle shapes suitable for industrial environments.
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Cost-Effective Calibration Solution – A dependable option for regular testing and verification.
Available Options
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Hexagonal Weights (100g – 2kg) – From £15.00 (£18.00 incl. VAT).
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Bar Weights (5kg – 50kg) – From £50.00 (£60.00 incl. VAT).
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5kg – £50.00 (£60.00 incl. VAT)
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10kg – £70.00 (£84.00 incl. VAT)
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20kg – £90.00 (£108.00 incl. VAT)
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25kg – £180.00 (£216.00 incl. VAT)
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50kg – £325.00 (£390.00 incl. VAT)
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Reliable Calibration from Oakleyweigh
With over 75 years of experience in the weighing industry, Oakleyweigh supplies high-quality calibration weights and professional certification to businesses across the UK. Our M1 cast iron test weights combine durability, practicality, and accuracy, making them an ideal choice for industrial and commercial calibration needs.