{"product_id":"machine-screws-pan-head-spanner-18-8-stainless-steel-4-40-x-5-8_0410smp","title":"#4-40 X 5\/8\" Tamper Resistant Machine Screws | Pan Head | Spanner Drive | 18\/8 Stainless Steel (100\/Pkg.)","description":"\u003cdiv\u003eIndustrial fasteners for metal enclosures, machinery panels, and harsh industrial environments. Pan head machine screws with spanner drive deliver secure, flush mounting and reliable torque transfer for tapped holes using 4-40 threads. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: Length: 15.875 millimeters\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish\u003c\/b\u003e: Polished stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDrive type\u003c\/b\u003e: Spanner drive\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial grade\u003c\/b\u003e: 304 stainless steel (18\/8)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThread type\u003c\/b\u003e: 4-40\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePan head design\u003c\/b\u003e: Low-profile head provides flush mounting with a broad bearing surface for panel loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTorque control\u003c\/b\u003e: Spanner drive enables secure tightening with standard spanner tools, improving tamper resistance and repeatable assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCorrosion resistance\u003c\/b\u003e: 304 stainless steel resists moisture and typical industrial exposures, extending service life in enclosures and panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThread engagement\u003c\/b\u003e: 4-40 thread ensures reliable engagement with tapped holes or compatible nuts in metal panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation compatibility\u003c\/b\u003e: Length of 15.875 millimeters aligns with common panel thickness ranges in electronic enclosures and machinery panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial consistency\u003c\/b\u003e: 18\/8 stainless steel provides uniform microstructure and surface finish for consistent mating with nuts and inserts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50425532907799,"sku":"0410SMP","price":31.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/0404SMP_900ba12b-bc4c-4c5c-8982-ce32c835eec2.webp?v=1747422521","url":"https:\/\/mutualscrew.com\/products\/machine-screws-pan-head-spanner-18-8-stainless-steel-4-40-x-5-8_0410smp","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}