{"product_id":"gibraltar-z9105ss-standard-flat-washer-1-1-4-in-18-8-ss","title":"Gibraltar Z9105SS Standard Flat Washer 1-1\/4 in 18-8 Ss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GIBRALTAR Z9105SS is a standard flat washer manufactured from 18-8 stainless steel with a plain finish. It is designed for use with 1-1\/4 inch screws and fasteners, distributing load across the bearing surface to prevent pull-through and surface damage. The 18-8 stainless steel construction provides corrosion resistance suitable for wet, outdoor, and chemically active environments. With an inside diameter of 1.281 inches, an outside diameter of 2.5 inches, and a thickness of 0.281 inches, this washer meets standard dimensional requirements for 1-1\/4 inch fastener assemblies. Plumbers, electricians, HVAC technicians, and general trade professionals use this washer in mechanical and structural fastening applications where corrosion resistance is a priority.\u003c\/p\u003e\u003cp\u003eThis washer is suited for residential and commercial trade applications involving stainless fastener assemblies. Common installation scenarios include pipe flange connections, equipment mounting, structural panel attachment, and any bolted joint where a stainless-compatible load-distribution washer is required. The plain finish keeps the washer free of coatings that could interfere with torque or surface conductivity requirements. Sold individually, it is appropriate for single-fastener replacements or small quantity jobs where bulk packaging is not needed.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e18-8 stainless steel construction for corrosion resistance in wet and outdoor environments\u003c\/li\u003e\n\u003cli\u003ePlain finish with no coating for clean metal-to-metal contact\u003c\/li\u003e\n\u003cli\u003eInside diameter of 1.281 inches fits standard 1-1\/4 inch fasteners\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 2.5 inches provides broad load distribution\u003c\/li\u003e\n\u003cli\u003eThickness of 0.281 inches meets standard flat washer dimensional tolerances\u003c\/li\u003e\n\u003cli\u003eHardness rated Rockwell C36-C42 for durability under clamping loads\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with 1-1\/4 inch screws and bolts in standard inch-measurement fastener assemblies requiring an 18-8 stainless steel flat washer.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation requires no special tooling beyond standard wrenches or sockets appropriate for the fastener size. Shut down or de-energize any system before servicing fastened connections on live mechanical or electrical assemblies. Verify that the mating fastener and nut are also stainless steel or a compatible alloy to avoid galvanic corrosion at the joint. Follow applicable mechanical and structural codes for torque requirements based on fastener grade and application.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size\u003c\/strong\u003e: 1-1\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 1.281 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 2.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.281 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: 18-8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Plain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness\u003c\/strong\u003e: Rockwell C36-C42\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.05 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31161807\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: GIBRALTAR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: Z9105SS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GIBRALTAR","offers":[{"title":"Default Title","offer_id":51689075769650,"sku":"Z9105SS","price":20.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/710139d65bf05b7f36b06fcd3be5209c.jpg?v=1788254500","url":"https:\/\/voomisupply.com\/products\/gibraltar-z9105ss-standard-flat-washer-1-1-4-in-18-8-ss","provider":"Voomi Supply","version":"1.0","type":"link"}