{"product_id":"machine-screws-slotted-round-steel-black-oxide-4-40x3-8_0406msrbkc","title":"#4-40 X 3\/8\" Machine Screws | Round Head | Slotted Drive | Steel Black Oxide (10000\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eOptimize your assemblies with our Machine Screws Slotted Round Steel Black Oxide 4-40X3\/8. These precision fasteners are built for durable, secure fastening in electronics, machinery, enclosures, and hobby projects. The slotted round head and standard 4-40 thread make them a versatile choice for a wide range of applications.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 4-40\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 3\/8 in\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead style:\u003c\/b\u003e Slotted round head\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type:\u003c\/b\u003e Slotted\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Black Oxide\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectronics enclosures and control panels\u003c\/li\u003e \u003cli\u003ePrecision machinery and component assemblies\u003c\/li\u003e \u003cli\u003eAutomotive interior and dashboard assemblies\u003c\/li\u003e \u003cli\u003eGeneral hardware, DIY projects, and repair tasks\u003c\/li\u003e\n\u003c\/ul\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eDurable steel construction\u003c\/b\u003e ensures reliable performance over time\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBlack oxide finish\u003c\/b\u003e provides wear resistance and a subtle, corrosion-conscious appearance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eStandard 4-40 thread\u003c\/b\u003e offers broad compatibility with common components\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSlotted drive\u003c\/b\u003e allows straightforward installation with standard screwdrivers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50345328148759,"sku":"0406MSRBKC","price":157.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/1424MSRBKC_158ffb57-a260-4c5f-ae87-6f82ef3e2a7f.webp?v=1747422656","url":"https:\/\/mutualscrew.com\/products\/machine-screws-slotted-round-steel-black-oxide-4-40x3-8_0406msrbkc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}