{"product_id":"cap-screws-button-head-pin-in-socket-alloy-steel-4-40-x-1-2_0408csbtbb","title":"#4-40 X 1\/2\" Button Head Cap Screws | Tamper Resistant | Pin-In Socket Drive | Alloy Steel (100 \/ Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eCap screws with button head and pin-in socket drive are designed for precision, space-constrained industrial assemblies. These high-strength fasteners provide a low-profile interface suitable for machinery, automation panels, and equipment housings.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: Thread size #4-40; Length 1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type\u003c\/b\u003e: Socket-drive with pin-in socket configuration\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade\u003c\/b\u003e: Alloy steel\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eLow-profile head\u003c\/b\u003e: Minimizes bulk and interference in tight assemblies while maintaining a clean, professional finish.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePin-in socket drive\u003c\/b\u003e: Enables precise seating and repeatable torque control in vibration-prone environments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Alloy steel for high strength and durability in industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Suitable for precision assemblies and securing components with limited clearance, including machine frames, control panels, enclosures, and automation modules.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInstallation considerations\u003c\/b\u003e: Use with standard socket tools; ensure proper alignment during seating; consider threadlocker in high-vibration equipment to reduce loosening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50425389482263,"sku":"0408CSBTBB","price":91.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/0404BPSMYW_80854540-b92f-44c9-b480-c3e0e375a19b.webp?v=1747422559","url":"https:\/\/mutualscrew.com\/products\/cap-screws-button-head-pin-in-socket-alloy-steel-4-40-x-1-2_0408csbtbb","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}