{"product_id":"standoffs-round-female-303-stainless-4-40-thread-x-3-8-long_140604rf303kc","title":"#4-40 X 3\/8\" Round Female Standoffs | 1\/4\" OD | 303 Stainless Steel (500 \/ Pkg.)","description":"\u003cdiv\u003eIndustrial-grade standoffs for precise panel spacing in enclosures and machine frames. They enable repeatable alignment under vibration and across thermal cycling while delivering corrosion resistance in harsh industrial environments. \u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e Length: 3\/8 inch (0.375 inch)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade:\u003c\/b\u003e 303 Stainless Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread type:\u003c\/b\u003e 4-40\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Machined finish\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eInternal thread engagement:\u003c\/b\u003e Internal 4-40 threads accept standard male fasteners, enabling compact spacing while maintaining repeatable alignment across panels, enclosures, and frames.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCorrosion resistance:\u003c\/b\u003e 303 Stainless Steel provides corrosion resistance, supporting long service life under typical industrial atmospheres and mild chemical exposure.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDimensional stability:\u003c\/b\u003e Round body and precise female threading resist movement, maintaining gap control during vibration and thermal cycling.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIdeal use cases:\u003c\/b\u003e Electronics enclosures, control panels, machine frames, instrumentation housings, and sensor mounts requiring consistent spacer performance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMachinability:\u003c\/b\u003e 303 Stainless Steel offers good machinability, enabling tight tolerances across high-volume manufacturing runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50347897880855,"sku":"140604RF303KC","price":159.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/1631-256-SSFC_4cce30ee-2786-432d-aba3-1e97ad54bb0b.jpg?v=1747173775","url":"https:\/\/mutualscrew.com\/products\/standoffs-round-female-303-stainless-4-40-thread-x-3-8-long_140604rf303kc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}