CMP 20mm Stainless Steel Serrated Shake-proof Washer
£1.30 Incl. VAT
Available in Stainless Steel, these shake-proof Serrated Washers are fitted internally to the equipment before a locknut and act as an anti-vibration device to prevent the Cable Gland or accessory from inadvertently loosening in service. Self-loosening should be avoided according to clause 6.4.1 of IEC 60079-14, this can occur through relative motion over time even without vibration, due to differential thermal effects caused as a result of either differences in temperature or differences in clamped materials. · · · Diameter M20 · · Minimum Thickness 3.9mm · · External Diameter 32.5mm
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