{"product_id":"machine-screws-flat-head-pin-in-phillips-18-8-stainless-steel-4-40-x-3-8_0406psfm","title":"#4-40 X 3\/8\" Tamper Resistant Machine Screws | Flat Head | Pin-In Phillips Drive | 18\/8 Stainless Steel (100\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial fasteners designed for flush mounting and high reliability across metal and plastic assemblies.\u003c\/p\u003e\n\u003cp\u003eFlat head machine screws with a pin-in Phillips drive deliver a secure, tamper-resistant fastening for precision equipment such as electronics enclosures, cabinetry, and small machinery.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: Major diameter 2.84 mm; Length 9.525 mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: 304 stainless steel (18\/8)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive type\u003c\/strong\u003e: Phillips\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: 4-40\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFlush head\u003c\/strong\u003e: Low-profile seating minimizes protrusion for unobtrusive assemblies in metal-to-metal and metal-to-plastic joints.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTamper resistance\u003c\/strong\u003e: Pin-in drive requires a matching driver with a pin hole, deterring unauthorized removal in critical equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCorrosion resistance\u003c\/strong\u003e: 304 stainless steel delivers robust protection in humid or chemically aggressive environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInstallation efficiency\u003c\/strong\u003e: Phillips drive enables quick, tool-friendly engagement with repeatable seating precision.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Electronics enclosures, cabinetry hardware, small machinery, panels, and appliances requiring a flush finish. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50425247760663,"sku":"0406PSFM","price":39.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/0404PSFM_985bfe1d-69ea-44be-9235-8d22a01fcf52.jpg?v=1747422575","url":"https:\/\/mutualscrew.com\/products\/machine-screws-flat-head-pin-in-phillips-18-8-stainless-steel-4-40-x-3-8_0406psfm","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}