{"product_id":"machine-screws-pan-head-spanner-18-8-stainless-steel-1-4-28-x-3-4_1512smp","title":"1\/4\"-28 X 3\/4\" Tamper Resistant Machine Screws | Pan Head | Spanner Drive | 18\/8 Stainless Steel (100\/Pkg.)","description":"\u003cdiv\u003eIndustrial fasteners engineered for metal-to-metal assemblies and panel mounting. 1\/4-28 pan head spanner screws deliver precise torque transfer, corrosion resistance, and a clean finished appearance in harsh industrial environments. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 0.25 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 0.75 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive type\u003c\/strong\u003e: Spanner\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: 18\/8 stainless steel (304)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread type\u003c\/strong\u003e: UNF 1\/4-28\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePan head\u003c\/strong\u003e: Low-profile seating with a wide bearing surface to distribute load across mating panels and reduce pull-through in sheet metal assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpanner drive\u003c\/strong\u003e: Requires a compatible spanner tool, providing enhanced security against casual removal and a defined torque interface for repeatable fastening.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCorrosion resistance\u003c\/strong\u003e: 304 stainless steel delivers robust resistance to rust and staining in indoor and outdoor environments, extending service life in harsh industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread compatibility\u003c\/strong\u003e: Standard 1\/4-28 UNF thread matches common tapped holes and nuts used in machinery housings, panels, and equipment enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial integrity\u003c\/strong\u003e: 18\/8 stainless steel formulation ensures stable mechanical properties and long-term performance under vibration and thermal cycling common in industrial equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Ideal for panel mounting, electrical enclosure assemblies, machinery housings, control panels, and generic metal-to-metal fastening across industrial markets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50425538281751,"sku":"1512SMP","price":58.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/0404SMP_dd822ef6-4f3d-49d7-9e7f-8092d70a2ef1.webp?v=1746140314","url":"https:\/\/mutualscrew.com\/products\/machine-screws-pan-head-spanner-18-8-stainless-steel-1-4-28-x-3-4_1512smp","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}