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Catalogue Technical Specification

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SB - Super Load Spring JIS B 5012 Japanese Standard



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Product Description

SB - Brown Die Spring JIS B 5012 Japanese Standard - Super Heavy Load

Die spring, for extra heavy loads. Rectangular wire high force compression spring, manufactured to JIS (Japanese Industrial Standards) and RoHS compliant.

High quality and long lasting, these springs are temperature tolerant from 120°C to -30°C.

SB Springs are supplied in packs sizes, varying between 2-50 pieces dependant on size chosen. Prices shown for each part – the pack size will be recalculated in your basket. Alternatively, for smaller quantities please contact our sales team for a quotation, or call us on 01732 763377.

Custom made springs are available, please contact us for further details


High grade alloy spring steel with characteristics to be found in automotive engine valve springs. Laboratory and dynamically performance tested.

Both ends closed and ground square to the axis.

All springs are compressed to solid to eliminate initial free length reduction.

Shot peened to reduce stress levels and improve working life.

On Request

Epoxy resin coating as standard - Delta Tone 9000 coating available.












10 20-80 images/original/SB_super_load_spring_16__Lo_W.png images/300/SB_super_load_spring_18__Lo_W.png images/300/SB_super_load_spring_24__Lo_W.png
12 20-80
14 25-90
16 25-100
18 25-100
20 25-150
22 25-150

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SB Super Load Springs JIS B 5012 Japanese Standard temperature tolerant long lasting high quality

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