{"product_id":"machine-screws-slotted-round-18-8-stainless-4-40x9-16_0409msr188kc","title":"#4-40 X 9\/16\" Machine Screws | Round Head | Slotted Drive | 18\/8 Stainless Steel (5000\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for precise, reliable fastening, the Machine Screws Slotted Round 18\/8 Stainless 4-40X9\/16 delivers strength in a compact size. The slotted round head is compatible with standard flat-blade drivers and sits flush in many applications.\u003c\/p\u003e \u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e: 4-40 thread, 9\/16\" long\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: 18-8 stainless steel (304)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead type\u003c\/b\u003e: Slotted round head\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish\u003c\/b\u003e: Stainless\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Suitable for electronics, cabinetry, appliances, and general machinery where a small, durable fastener is required\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCorrosion resistance\u003c\/b\u003e: Excellent resistance to corrosion in standard environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUsage notes: These machine screws require a nut or a tapped hole for a secure connection. When installing, align the screw with a mating part, apply steady pressure, and tighten with a flat-blade screwdriver for the slotted drive. For electronics and precision assemblies, ensure hole size matches standard 4-40 tap clearance.\u003c\/p\u003e \u003ch3\u003eWhy choose 18-8 stainless 4-40 x 9\/16\u003c\/h3\u003e\n\u003cp\u003eThe combination of a small diameter (4-40) with a 9\/16\" length makes these screws ideal for tight spaces where a flush, reliable fastener is essential. The 18-8 stainless composition provides good corrosion resistance and durability, making them a common choice for hardware, electronics enclosures, and hobby projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50345298133271,"sku":"0409MSR188KC","price":115.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/5016MSR188KC_116855c5-24f6-4861-82ad-0cae1a5d3a86.webp?v=1747422658","url":"https:\/\/mutualscrew.com\/products\/machine-screws-slotted-round-18-8-stainless-4-40x9-16_0409msr188kc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}