Zygology
Zygology Ltd
Unit 7, Thame 40 Jane Morbey Road
Thame Oxon OX9 3RR
Phone: 0808 123 1221
Fax: +44 1844 266021
Email: sales@zygology.com
Web Address: www.zygology.com
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HSL springs are engineered to provide a reliable and repeatable spring rate when assembled with mating PEM hardware. The spring rate is critical to the successful assembly of your heat sink.

Clamp load will be determined by the spring rate and deflection that is designed into the joint.
HSL™ Spring
HSL™ Spring_02
Unit of Measure
1 

Item #

Thread Size Fit

Minimum Inside Dia.

Load at Working Height ± 10%

Working Height Ref.

Spring Rate

Material

HSL-574-35 N/A #4-40 M3 N/A .226 in5.74 mm N/A 7.87 lb35 N N/A .270 in6.86 mm N/A 74 lb/in12.96 N/mm N/A 17-7 Stainless Steel
HSL-701-35 N/A #6-32 N/A .276 in7.01 mm N/A 7.87 lb35 N N/A .270 in6.86 mm N/A 39 lb/in6.84 N/mm N/A 17-7 Stainless Steel
Unit of Measure
1