{"product_id":"self-locking-stainless-steel-nut","title":"303 S31 Aerotight Nut","description":"303 S31 stainless steel self-locking nut designed to prevent loosening in applications subject to vibration or repeated movement. The integrated locking mechanism provides reliable security without additional washers or locking compounds, making it ideal for demanding trade applications.\u003cbr\u003e\u003cbr\u003eKey Features\u003cbr\u003e\u003cbr\u003e• Stainless steel 303 S31 material offers corrosion resistance in most environments\u003cbr\u003e• Self-locking design eliminates risk of fastener loosening\u003cbr\u003e• Suitable for use with bolts and screws of matching grade\u003cbr\u003e• Effective in vibration-prone applications\u003cbr\u003e• Reusable and reliable across multiple cycles\u003cbr\u003e\u003cbr\u003eTypical Applications\u003cbr\u003e\u003cbr\u003eConstruction, automotive assembly, engineering fabrication, plant maintenance and installation work where connection security is essential. Commonly paired with metric and UNC bolts in structural and mechanical assemblies.\u003cbr\u003e\u003cbr\u003eTechnical Details\u003cbr\u003e\u003cbr\u003eStainless steel 303 S31 grade. Self-locking feature operates without additional components. Compatible with standard bolt threads and drive types. Suitable for both temporary and permanent fastening applications.","brand":"West Midlands Fasteners","offers":[{"title":"M4","offer_id":54377730212185,"sku":"N52M04","price":0.87,"currency_code":"GBP","in_stock":true},{"title":"M5","offer_id":54377730244953,"sku":"N52M05","price":1.12,"currency_code":"GBP","in_stock":true},{"title":"M6","offer_id":54377730277721,"sku":"N52M06","price":1.42,"currency_code":"GBP","in_stock":true},{"title":"M8","offer_id":54377730310489,"sku":"N52M08","price":2.17,"currency_code":"GBP","in_stock":true},{"title":"M10","offer_id":54377730343257,"sku":"N52M10","price":3.09,"currency_code":"GBP","in_stock":true},{"title":"M12","offer_id":54377730376025,"sku":"N52M12","price":4.91,"currency_code":"GBP","in_stock":true},{"title":"M16","offer_id":54377730408793,"sku":"N52M16","price":7.61,"currency_code":"GBP","in_stock":true},{"title":"M20","offer_id":54377730441561,"sku":"N52M20","price":17.07,"currency_code":"GBP","in_stock":true},{"title":"M24","offer_id":54377730474329,"sku":"N52M24","price":24.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/4893\/2441\/files\/303-s31-aerotight-nut-reusable-self-locking-nuts-high-strength-fasteners.webp?v=1769515308","url":"https:\/\/www.westmidlandsfastenershop.co.uk\/products\/self-locking-stainless-steel-nut","provider":"West Midlands Fasteners","version":"1.0","type":"link"}