{"product_id":"electro-hardware-ths1003m04f16-aluminum-thumb-screw-4-40","title":"Electro Hardware THS1003M04F16 Aluminum Thumb Screw 4-40","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ELECTRO HARDWARE THS1003M04F16 is an aluminum thumb screw with a 4-40 UNC thread and a knurled head designed for tool-free hand tightening in panel, enclosure, and equipment assembly applications. The head measures 0.375 inches in diameter and 0.1875 inches in height, with a brass head material and an uncoated finish. Overall length is 0.6875 inches. A shoulder is included, with a shoulder diameter of 0.312 inches and a shoulder length of 0.125 inches. The uncoated aluminum body keeps weight low while the knurled surface provides grip for repeated removal and reinstallation without tools.\u003c\/p\u003e\n\u003cp\u003eThis thumb screw suits light-duty fastening tasks in electrical enclosures, control panels, HVAC equipment covers, and instrumentation housings where frequent access is required. The 4-40 UNC thread is a common size in small equipment and panel assembly, making this a practical service replacement or stocking fastener for electrical and HVAC technicians. It is sold individually but must be ordered in multiples of five.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e4-40 UNC thread for compatibility with standard small-equipment threaded inserts\u003c\/li\u003e\n  \u003cli\u003eKnurled head allows tool-free hand tightening and removal\u003c\/li\u003e\n  \u003cli\u003eShoulder design provides positive seating and alignment\u003c\/li\u003e\n  \u003cli\u003eAluminum construction keeps weight low and resists corrosion in typical indoor enclosure environments\u003c\/li\u003e\n  \u003cli\u003eBrass head material for durability at the contact surface\u003c\/li\u003e\n  \u003cli\u003eMeets multiple material and finish standards including ASTM B633 and QQ-A-225A Comp 2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard 4-40 UNC thumb screw for use in electrical enclosures, control panels, and light equipment assemblies requiring tool-free fastening access.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by hand; no tools are required for normal tightening or removal. Ensure the mating threaded insert or nut matches the 4-40 UNC thread standard before installation. De-energize any panel or enclosure before servicing fasteners on live electrical equipment. Do not overtighten by using tools, as the aluminum body and knurled head are rated for hand torque only.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 4-40\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Type\u003c\/strong\u003e: Knurled\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShoulder Type\u003c\/strong\u003e: With Shoulder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 0.6875 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Diameter\u003c\/strong\u003e: 0.375 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Height\u003c\/strong\u003e: 0.1875 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShoulder Diameter\u003c\/strong\u003e: 0.312 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShoulder Length\u003c\/strong\u003e: 0.125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Material\u003c\/strong\u003e: Brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Uncoated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ASTM B633, QQ-A-225A Comp 2, QQ-B-626B Comp 22, QQ-N-290A, QQ-S-633, QQ-S-763, T-3, Type 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.79 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31161516\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: ELECTRO HARDWARE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: THS1003M04F16\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ELECTRO HARDWARE","offers":[{"title":"Default Title","offer_id":51748566303026,"sku":"THS1003M04F16","price":26.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e65a26e1d14e7b8fa8ae0cd4148ddfca_23971fa0-b692-4acf-8b2d-548364a78e08.jpg?v=1788895265","url":"https:\/\/voomisupply.com\/products\/electro-hardware-ths1003m04f16-aluminum-thumb-screw-4-40","provider":"Voomi Supply","version":"1.0","type":"link"}