{"product_id":"electro-hardware-ths3002m01f07-brass-thumb-screw-4-40","title":"Electro Hardware THS3002M01F07 Brass Thumb Screw 4-40","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ELECTRO HARDWARE THS3002M01F07 is a 4-40 UNC brass thumb screw with a knurled head, designed for hand-tightening applications where tools are not practical or accessible. The head measures 5\/16 inches in diameter and 3\/16 inches in height, with an overall length of 9\/16 inches and a thread length of 3\/8 inches. Finished in nickel, this thumb screw meets QQ-B-626B Comp 22 and QQ-N-290A standards, making it suitable for applications with defined material and finish requirements. It is used in light-duty mechanical assemblies, panel fastening, and enclosure hardware installations.\u003c\/p\u003e\u003cp\u003eThis thumb screw is appropriate for use in electronic enclosures, instrument panels, control boxes, and light mechanical assemblies where frequent hand-adjustment or removal is required. The 4-40 UNC thread size is common in low-voltage electronics, HVAC control panels, and precision equipment housings. It is typically installed by electricians, HVAC technicians, and equipment assemblers working with panel-mounted components.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e4-40 UNC thread for compatibility with standard light-duty fastening applications\u003c\/li\u003e\n\u003cli\u003eKnurled head allows secure hand-tightening without tools\u003c\/li\u003e\n\u003cli\u003eBrass construction with nickel finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eMeets QQ-B-626B Comp 22 and QQ-N-290A material and finish standards\u003c\/li\u003e\n\u003cli\u003eThread length of 3\/8 inches provides adequate engagement for panel thicknesses\u003c\/li\u003e\n\u003cli\u003eCompact head profile: 5\/16 inches diameter, 3\/16 inches height\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard 4-40 UNC thumb screw for use in electronic enclosures, instrument panels, and control assemblies requiring hand-removable fasteners.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis thumb screw is installed by hand in pre-tapped 4-40 UNC holes. Power down any electrical equipment before servicing panel fasteners. Avoid cross-threading by starting the screw straight and finger-tight before seating fully. Do not use power tools on thumb screws, as the knurled head is not designed for wrench or driver torque.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 4-40 UNC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type\u003c\/strong\u003e: Knurled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 9\/16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 3\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter\u003c\/strong\u003e: 5\/16 inches (0.3125 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Height\u003c\/strong\u003e: 3\/16 inches (0.1875 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Nickel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: QQ-B-626B Comp 22, QQ-N-290A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 1.4 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: THS3002M01F07\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ELECTRO HARDWARE","offers":[{"title":"Default Title","offer_id":51752143913266,"sku":"THS3002M01F07","price":63.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/089603be8ed25c382e5b06b448da7164_560b5dce-e8ee-42df-8edb-c7fcf72f2003.jpg?v=1788926154","url":"https:\/\/voomisupply.com\/products\/electro-hardware-ths3002m01f07-brass-thumb-screw-4-40","provider":"Voomi Supply","version":"1.0","type":"link"}