{"product_id":"machine-screws-round-head-theft-pruf-steel-zinc-plated-4-40-x-3-8_0406rt","title":"#4-40 X 3\/8\" Tamper Resistant Machine Screws | Round Head | Theft-Pruf Drive | Steel Zinc Plated (100\/Pkg.)","description":"\u003cdiv\u003eIndustrial fastening solution for secure panel mounting in electronics, control panels, and machinery assemblies. The Theft-Pruf round head machine screw combines high strength steel with zinc plating to resist tampering and corrosion in demanding environments. \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: Length 3\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Zinc Plated\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive Type\u003c\/strong\u003e: Theft-Pruf\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: Steel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: 4-40\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTamper Resistance\u003c\/strong\u003e: Theft-Pruf drive deters unauthorized removal in secured assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCorrosion Protection\u003c\/strong\u003e: Zinc plating provides corrosion resistance in humid and industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLow-Profile Seating\u003c\/strong\u003e: Round head yields flush seating within panels and enclosures, reducing snag risk.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: Compatible with standard 4-40 nuts and tapped holes common in electronics enclosures and control panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMechanical Strength\u003c\/strong\u003e: Steel core delivers reliable shear and pull resistance under typical vibration and load conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50425460654359,"sku":"0406RT","price":21.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/0404M1WR188_3d5be612-0a77-43b8-a58c-44722b0585d7.webp?v=1747422537","url":"https:\/\/mutualscrew.com\/products\/machine-screws-round-head-theft-pruf-steel-zinc-plated-4-40-x-3-8_0406rt","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}