{"product_id":"cap-screws-flat-head-pin-in-socket-18-8-stainless-steel-4-40-x-1-2_0408fpsmbb","title":"#4-40 X 1\/2\" Flat Head Cap Screws | Tamper Resistant | Pin-In Socket Drive | 18\/8 Stainless Steel (100 \/ Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial fasteners engineered for precision alignment and flush mounting in demanding environments. Cap screws with a Flat Head and Pin-In Socket drive provide secure seating in electronics enclosures, machine frames, and precision mechanical assemblies.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: Length 1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish\u003c\/b\u003e: Natural Stainless Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive Type\u003c\/b\u003e: Socket (Allen) Drive\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial Grade\u003c\/b\u003e: 18\/8 Stainless Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread Type\u003c\/b\u003e: #4-40\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003ePin-In-Socket Design\u003c\/b\u003e: Maintains alignment and seating in precision assemblies, reducing misalignment during assembly and service.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlush Head Profile\u003c\/b\u003e: Flat head sits flush with mounting surface for a clean, streamlined appearance and reduced snag risk.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCorrosion Resistance\u003c\/b\u003e: 18\/8 Stainless Steel provides robust resistance to rust and atmospheric corrosion in typical industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive Compatibility\u003c\/b\u003e: Socket drive enables secure tightening with standard Allen wrenches, improving torque control and seating reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication Scope\u003c\/b\u003e: Suitable for electronics enclosures, precision machinery housings, and small form factor assemblies where tight tolerances and flush finishes are required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50425448562967,"sku":"0408FPSMBB","price":109.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/0606FPSM_256a0afc-c944-442f-9d0b-e45cb0d4042b.jpg?v=1747422551","url":"https:\/\/mutualscrew.com\/products\/cap-screws-flat-head-pin-in-socket-18-8-stainless-steel-4-40-x-1-2_0408fpsmbb","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}