{"product_id":"milwaukee-high-carbon-steel-sae-straight-plug-tap-4-40-nc","title":"Milwaukee High Carbon Steel SAE Straight Plug Tap 4-40 NC","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Milwaukee \u003cstrong\u003eHigh Carbon Steel SAE Straight Plug Tap 4-40 NC\u003c\/strong\u003e—a precision tool designed to deliver clean, accurate internal threads in metalworking projects. Built from high carbon steel and finished in black oxide, this plug tap is engineered for durability and dependable performance when you need small, reliable fastener threads.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High carbon steel for enhanced wear resistance and long life in demanding tapping tasks\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStyle and size:\u003c\/strong\u003e Straight plug tap in \u003cstrong\u003e4-40 NC\u003c\/strong\u003e for precise internal threading in a variety of metals\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black oxide coating provides modest corrosion resistance and reduced galling between the tap and workpiece\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Carded packaging for easy retail display and quick identification\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrill bit included:\u003c\/strong\u003e No; drill bit not included—please source the appropriate pilot size separately for your project\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUsage:\u003c\/strong\u003e Ideal for metalworking applications where compact, reliable internal threads are required, including small hardware, enclosures, and precision components\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this Milwaukee tap stands out\u003c\/h2\u003e\n\u003cp\u003eMilwaukee’s high carbon steel construction offers superior wear resistance compared to lighter-duty taps, making it a trustworthy choice for both professional shops and serious hobbyists. The straight plug design ensures straightforward alignment and consistent thread cutting, which is especially important when working in tight spaces or with thinner materials. The 4-40 NC thread format is a staple for small fasteners, widely used in electronics housings, instrument panels, and precision assemblies.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cp\u003eUse this tap when you need to create or repair internal threads for small machine screws. It’s well-suited for aluminum, mild steel, and brass workpieces where a clean, accurate 4-40 thread is critical. Pair it with a compatible tap wrench or handle and the appropriate pilot drill size (not included) to achieve reliable results in a single setup.\u003c\/p\u003e \u003ch3\u003eTips for optimal results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eLubricate generously with tapping fluid or cutting oil to reduce friction and extend tap life\u003c\/li\u003e \u003cli\u003eKeep the tap square to the hole to ensure true, straight threads\u003c\/li\u003e \u003cli\u003eTurn slowly and steadily; back off occasionally to break and clear chips\u003c\/li\u003e \u003cli\u003eCool and clean the workpiece after tapping to prevent galling and residue buildup\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis tap is a purpose-built tool for dedicated metalworking tasks that require precise 4-40 internal threads. With Milwaukee’s reputation for durability and exacting standards, it’s a dependable choice for assembling small components where secure, accurate threading matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":52272863019282,"sku":"2054368","price":5.59,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/2054368_A.eps_High.jpg?v=1778783040","url":"https:\/\/nationalhardwaregroup.com\/products\/milwaukee-high-carbon-steel-sae-straight-plug-tap-4-40-nc","provider":"National Hardware Group","version":"1.0","type":"link"}