{"product_id":"standoffs-hex-male-female-303-stainless-metric-m3-05-thread-x-21mm-long_m2156-3005-ssfc","title":"M3-.05 X 21mm Standoffs Hex Male-Female | 6 OD | 303 Stainless Steel (250\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003ePrecision M3-.05 x 21 mm standoffs with 6 mm outer diameter provide repeatable spacing in electronics enclosures and automation assemblies. Engineered from 303 stainless steel, these fasteners deliver reliable corrosion resistance and precise alignment in demanding industrial environments.\u003c\/p\u003e\n\u003cp\u003eDesigned for high-volume production and field installations, the hex male-female drive interface ensures robust clamping with compatible M3 fasteners while maintaining consistent component separation across assemblies.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eOuter diameter\u003c\/strong\u003e: 6 mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 21 mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread type\u003c\/strong\u003e: M3-.05\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: 303 Stainless Steel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive type\u003c\/strong\u003e: Hex male-female\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCorrosion resistance\u003c\/strong\u003e: 303 stainless steel provides reliable rust and oxidation resistance in humid, wash-down, and industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSecure mounting\u003c\/strong\u003e: Hex male-female interface enables precise alignment and robust clamping when paired with compatible M3 fasteners.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpacing consistency\u003c\/strong\u003e: Maintains uniform component separation across assemblies, aiding cable management and thermal clearance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBulk packaging\u003c\/strong\u003e: 100-piece pack supports high-volume production, prototyping, and field installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e: Suitable for PCB spacers, electronics enclosures, panel mounting, robotics, and general hardware assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustry applications\u003c\/strong\u003e: Electronics enclosures and panel assemblies; PCB spacers and electronics hardware; Robotics and automation systems; Industrial equipment and control panels; Machinery assemblies requiring repeatable spacing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50347863376151,"sku":"M2156-3005-SSFC","price":1679.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/25C50H50SP_6b6a6c58-1b47-4ce9-82db-1f2cd2464160.png?v=1747175533","url":"https:\/\/mutualscrew.com\/products\/standoffs-hex-male-female-303-stainless-metric-m3-05-thread-x-21mm-long_m2156-3005-ssfc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}