{"product_id":"machine-screws-pan-head-spanner-18-8-stainless-steel-4-40-x-1-1-4_0420smp","title":"#4-40 X 1-1\/4\" Tamper Resistant Machine Screws | Pan Head | Spanner Drive | 18\/8 Stainless Steel (100\/Pkg.)","description":"\u003cdiv\u003eIndustrial-grade machine screws engineered for reliable fastening across metal and plastic assemblies in control panels, electronics enclosures, and compact machinery. They provide a flush install with a broad bearing surface and a spanner drive for controlled torque in demanding environments. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: Length 1-1\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Uncoated stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive type\u003c\/strong\u003e: Spanner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread type\u003c\/strong\u003e: #4-40\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion resistance\u003c\/strong\u003e: 304 stainless steel provides robust corrosion resistance suitable for metal and plastic assemblies in industrial environments, including moisture exposure and outdoor-rated panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead geometry\u003c\/strong\u003e: Pan head with broad bearing surface distributes load evenly and enables flush installation on panel surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive compatibility\u003c\/strong\u003e: Spanner drive supports precise torque control and consistent seating in automated or manual assembly processes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial compatibility\u003c\/strong\u003e: Optimized for sheet metal, control panels, electronic enclosures, chassis, and compact industrial hardware where a low-profile, high-strength fastener is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish flexibility\u003c\/strong\u003e: Uncoated stainless steel provides predictable performance and can be compatible with subsequent finishing or passivation steps as needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50425533006103,"sku":"0420SMP","price":34.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/0404SMP_9f523c28-8553-40c9-a3c3-82ad9d458e73.webp?v=1747422518","url":"https:\/\/mutualscrew.com\/products\/machine-screws-pan-head-spanner-18-8-stainless-steel-4-40-x-1-1-4_0420smp","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}