{"product_id":"electro-hardware-p529m09f16-440-hex-standoff-4-40-0-5in","title":"Electro Hardware P529M09F16-440 Hex Standoff 4-40 0.5in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ELECTRO HARDWARE P529M09F16-440 is a female hex circuit board standoff designed to space and mount PCBs within electronic enclosures, control panels, and electrical assemblies. This standoff features a 4-40 female thread and measures 0.5 inches overall length with a hex body width across flats of 0.25 inches. Constructed from 18-8 grade 303 stainless steel with a bright anodized finish, it meets the QQ-S-763 fastener standard. The hex body profile allows installation with standard nut drivers or hex wrenches, providing a secure, non-rotating grip during installation and removal.\u003c\/p\u003e\u003cp\u003eThis standoff is suited for use in residential and commercial electronic control assemblies, HVAC control boards, industrial panel wiring, and general PCB mounting applications. The 4-40 thread size is common in low-voltage control circuitry and instrumentation hardware. The inch-measurement system and QQ-S-763 compliance make it a reliable choice for OEM replacements and field service repairs where stainless steel corrosion resistance is required.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFemale 4-40 threaded hex standoff for PCB spacing and panel mounting\u003c\/li\u003e\n\u003cli\u003e18-8 grade 303 stainless steel construction for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eBright anodized finish per QQ-S-763 fastener standard\u003c\/li\u003e\n\u003cli\u003e0.5 inches overall length with 0.25 inches width across flats\u003c\/li\u003e\n\u003cli\u003eHex body shape accommodates standard nut drivers and hex wrenches\u003c\/li\u003e\n\u003cli\u003eLength tolerance of -0.005 to 0.005 inches for precision fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard 4-40 female hex standoff for PCB mounting applications requiring 0.5 inches of board spacing in inch-measurement assemblies.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by electricians, electronics technicians, or control board service professionals. De-energize all circuits and discharge any capacitors before handling PCB hardware. Use a properly sized nut driver or hex wrench matching the 0.25 inch across-flats dimension to avoid rounding the hex body. Follow applicable NEC guidelines for panel wiring and board mounting in electrical enclosures.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: Female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 4-40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth Across Flats\u003c\/strong\u003e: 0.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Shape\u003c\/strong\u003e: Hex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: 18-8 Grade 303\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Bright Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastener Standard\u003c\/strong\u003e: QQ-S-763\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength Tolerance\u003c\/strong\u003e: -0.005 to 0.005 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\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: P529M09F16-440\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ELECTRO HARDWARE","offers":[{"title":"Default Title","offer_id":51740168159538,"sku":"P529M09F16-440","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/3842fa96cf295e88b5ef1d34f0ff34bd.jpg?v=1788823100","url":"https:\/\/voomisupply.com\/products\/electro-hardware-p529m09f16-440-hex-standoff-4-40-0-5in","provider":"Voomi Supply","version":"1.0","type":"link"}