{"product_id":"value-collection-1524msf-flat-head-slotted-machine-screw","title":"Value Collection 1524MSF Flat Head Slotted Machine Screw","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION 1524MSF is a flat head slotted machine screw designed for general-purpose fastening in metal, wood, and composite assemblies. It features a 1\/4-28 unified fine thread and measures 1-1\/2 inches in overall length, making it suitable for moderate-depth fastening applications. Constructed from steel with a zinc finish, this screw meets ASME B18.6.3 and SAE J82 standards. The flat head profile sits flush with or below the surface when countersunk, providing a clean finish where protrusion would interfere with mating components. Installed with a standard slotted screwdriver or bit, it is a workhorse fastener used across mechanical, HVAC, plumbing, and electrical trade applications.\u003c\/p\u003e\n\u003cp\u003eThis screw is suited for light to medium-duty assembly work in residential and commercial environments. Common applications include panel fastening, equipment enclosures, junction boxes, and general mechanical assembly where a flush surface finish is required. The 1\/4-28 fine thread provides better thread engagement and vibration resistance compared to coarse-thread equivalents, making it appropriate for metal-to-metal fastening in moderate-vibration settings. Trade professionals in HVAC, electrical, and plumbing disciplines frequently use this screw type when assembling or servicing equipment enclosures and access panels.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/4-28 unified fine thread for strong metal-to-metal thread engagement\u003c\/li\u003e\n  \u003cli\u003e1-1\/2 inches overall length with full-length threading under head\u003c\/li\u003e\n  \u003cli\u003eFlat head profile allows flush or countersunk installation\u003c\/li\u003e\n  \u003cli\u003eSlotted drive compatible with standard flat-blade screwdrivers and bits\u003c\/li\u003e\n  \u003cli\u003eSteel construction with zinc finish for corrosion resistance in typical indoor environments\u003c\/li\u003e\n  \u003cli\u003eMeets ASME B18.6.3 and SAE J82 standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard 1\/4-28 flat head slotted machine screw per ASME B18.6.3, compatible with any tapped or clearance hole application calling for this thread size, head style, and drive type.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstall using a flat-blade screwdriver or slotted bit sized to the screw head slot. For flush or below-surface installation, ensure the receiving material is properly countersunk to match the flat head angle before driving. Do not overtighten, as steel screws in tapped holes can strip threads or shear if torque is excessive. Always de-energize and isolate equipment before fastening or removing screws on electrical enclosures or live mechanical assemblies.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/4-28\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1-1\/2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 1-1\/2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Type\u003c\/strong\u003e: Flat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Type\u003c\/strong\u003e: Slotted\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: J82\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Zinc\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWasher Style\u003c\/strong\u003e: Without Washer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFastener Standard\u003c\/strong\u003e: ASME B18.6.3 and SAE J82\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31161504\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: VALUE COLLECTION\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 1524MSF\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51722377265458,"sku":"1524MSF","price":1299.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a77c33e2cc3517cc4287775e016a688b.jpg?v=1788590207","url":"https:\/\/voomisupply.com\/products\/value-collection-1524msf-flat-head-slotted-machine-screw","provider":"Voomi Supply","version":"1.0","type":"link"}