{"product_id":"m27-28-4-x-48-5-x-5-8mm-nord-lock-washer-stainless-steel-sp-a4","title":"M27 28.4 x 48.5 x 5.8mm Nord-lock Washer Stainless Steel SP A4","description":"\u003cp\u003eStainless steel. SP (enlarged outer diameter) Tension makes the bolt self-locking Nord-Lock wedge-locking technology secures bolted joints with tension instead of friction. The system comprises of a pair of washers that has cams on one side and radial teeth on the opposite side. Nord-Lock wedge-locking products positively lock the fastener in a joint which is subjected to extreme vibration or dynamic loads. The key is the difference in angles. Since the cam angle \" α \" is larger than the thread pitch \" β \", the pair of washers expand more than the corresponding pitch of the thread.\u003c\/p\u003e","brand":"Nord-Lock","offers":[{"title":"Default Title","offer_id":53327871967498,"sku":"5023626","price":32.79,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/8391\/2714\/files\/dd4a54718e28c083cd7a1e8f8315aa47.jpg?v=1783499175","url":"https:\/\/fastenup.co.uk\/products\/m27-28-4-x-48-5-x-5-8mm-nord-lock-washer-stainless-steel-sp-a4","provider":"Fasten Up","version":"1.0","type":"link"}