{"product_id":"metric-flat-washer-id-18mm-od-56mm-thickness-4mm-din-or-standard-no-din-9021a-51873","title":"Metric Flat Washer 18 MM Heavy-Duty Steel DIN 9021A - Sparex Part S.51873","description":"\u003cp\u003eThe Sparex S.51873 Metric Flat Washer is a precision-engineered component designed to provide secure load distribution and protect surfaces during fastening. It ensures stable joint integrity by evenly spreading pressure under bolt or nut heads, preventing material damage in machinery, structural, and mechanical applications.\u003c\/p\u003e\n\n\u003cp\u003eThis washer features an inner diameter of 18mm, an outer diameter of 56mm, and a 4mm thickness. Built in compliance with DIN 9021A standards, it guarantees dimensional accuracy and compatibility with standard M18 fasteners. Constructed from high-grade steel, it offers superior strength, flatness, and resistance to deformation under tension or torque.\u003c\/p\u003e\n\n\u003cp\u003eManufactured by Sparex, a trusted supplier of agricultural and industrial replacement parts, the S.51873 washer meets strict OEM-quality requirements for reliability and long-term performance. Its consistent finish and precision design make it suitable for both OEM and aftermarket assembly use.\u003c\/p\u003e\n\n\u003cp\u003eIdeal for engineers, mechanics, and maintenance professionals requiring a dependable flat washer for heavy-duty fastening, agricultural machinery, or industrial equipment.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Features\u003c\/strong\u003e\n  Precision-engineered flat washer for secure load distribution and surface protection  18mm ID, 56mm OD, and 4mm thickness for M18 fasteners  Built to DIN 9021A standards for consistent dimensional accuracy  High-strength steel construction for maximum durability under stress  Prevents surface wear and distortion during tightening  Reliable OEM-quality part from Sparex for universal applications  Perfect for: Agricultural machinery, industrial equipment, and structural fastener assemblies.\n\u003cp\u003e\u003cstrong\u003eExplore More:\u003c\/strong\u003e \u003ca href=\"\/collections\/screws-fasteners-washers\"\u003eScrews-fasteners Washers\u003c\/a\u003e | \u003ca href=\"\/collections\/parts-injectors-washers-1\"\u003eParts-injectors Washers\u003c\/a\u003e | \u003ca href=\"\/collections\/towing-fasteners\"\u003eTowing \u0026amp; Fasteners\u003c\/a\u003e\u003c\/p\u003e","brand":"Sparex","offers":[{"title":"Default Title","offer_id":55925044478338,"sku":"SP-S.51873","price":3.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/8598\/9371\/files\/51873_pic1.jpg?v=1762349058","url":"https:\/\/farmingparts.com\/products\/metric-flat-washer-id-18mm-od-56mm-thickness-4mm-din-or-standard-no-din-9021a-51873","provider":"Farming Parts","version":"1.0","type":"link"}