{"product_id":"machine-screws-phil-round-steel-zinc-plated-1-2-13-x-4_5064mprkc","title":"1\/2\"-13 X 4\" Machine Screws | Round Head | Phillips Drive | Steel Zinc Plated (100\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eMachine Screws Phil Round Steel Zinc Plated 1\/2-13 x 4\u003c\/b\u003e — a reliable fastener engineered for strength and precision. These Phillips round head machine screws are made from durable steel and finished with a zinc plating for corrosion resistance and a clean, professional appearance. With a 1\/2 inch diameter, 13 threads per inch (1\/2-13 UNC), and 4 inches in length, they are ideal for metal-to-metal assemblies, enclosures, electrical panels, and machinery that demand a secure, long-lasting grip.\u003c\/p\u003e \u003cp\u003eKey features include a Phillips drive for consistent, easy tightening, a round head that sits flush with varying surfaces, and a zinc-plated finish that resists rust in moderate environments. These screws pair with standard 1\/2-13 nuts or tapped holes, providing a versatile solution for a wide range of projects.\u003c\/p\u003e \u003cp\u003eApplications: use in automotive panels, equipment housings, electrical enclosures, metal furniture, and general machinery assembly where strong joint integrity is required.\u003c\/p\u003e \u003cp\u003eMaterials and finish: \u003cb\u003eMaterial:\u003c\/b\u003e steel; \u003cb\u003eFinish:\u003c\/b\u003e zinc plated; \u003cb\u003eHead type:\u003c\/b\u003e Phillips round; \u003cb\u003eThread:\u003c\/b\u003e 1\/2-13 UNC; \u003cb\u003eLength:\u003c\/b\u003e 4 inches. This combination delivers durability and corrosion resistance at a value price.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eDiameter:\u003c\/b\u003e 1\/2 in; \u003cb\u003eThread pitch:\u003c\/b\u003e 13 TPI; \u003cb\u003eLength:\u003c\/b\u003e 4 in; \u003cb\u003eDrive:\u003c\/b\u003e Phillips; \u003cb\u003eMaterial:\u003c\/b\u003e Steel; \u003cb\u003eFinish:\u003c\/b\u003e Zinc plated; \u003cb\u003eStandards:\u003c\/b\u003e UNC.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50344991424791,"sku":"5064MPRKC","price":201.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/5064MPRKC_2e35f0b5-7803-417d-ad57-c4492a7eb312.webp?v=1744940963","url":"https:\/\/mutualscrew.com\/products\/machine-screws-phil-round-steel-zinc-plated-1-2-13-x-4_5064mprkc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}