{"product_id":"milwaukee-high-carbon-steel-sae-straight-plug-tap-5-8-18-nf","title":"Milwaukee High Carbon Steel SAE Straight Plug Tap 5\/8-18 NF","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eMilwaukee High Carbon Steel SAE Straight Plug Tap 5\/8-18 NF\u003c\/strong\u003e is a purpose-built tool for precise internal threading in metalworking projects. Crafted from high carbon steel and finished in black oxide, this plug tap delivers durable performance for a wide range of materials, from mild steel to cast iron.\u003c\/p\u003e \u003cp\u003eDesigned for finishing internal threads, the straight plug tap creates clean, consistent 5\/8-18 NF threads where you need a strong fastener fit. The compact 3.75-inch length makes it versatile for through-holes and shorter workpieces, and it's sold as a single carded piece for easy retail display and immediate use in the shop.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e: High carbon steel construction provides rigidity and wear resistance for repeated tapping work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate National Fine threading\u003c\/strong\u003e: 5\/8-18 NF is a common fine-thread size, delivering tighter tolerances and stronger engagement than coarse threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight plug tap design\u003c\/strong\u003e: Optimized for finishing internal threads in metal, ideal after an initial roughing pass to achieve accurate depth and fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack oxide finish\u003c\/strong\u003e: Helps resist corrosion and provides smoother cutting action with proper lubrication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact, practical packaging\u003c\/strong\u003e: 1-piece carded Tap ready for use in portable tool kits or workshop drawers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo drill bit included\u003c\/strong\u003e: Use with your existing drill\/press setup and tapping fluid for best results.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases and best practices\u003c\/h3\u003e \u003cp\u003eIdeal for professionals and DIYers working on automotive repairs, equipment maintenance, or metal fabrication tasks that require precise internal threads in steel or iron. This Milwaukee tap is well-suited for finishing threads after a roughing pass, repairing stripped threads, or creating new, repeatable fastener points in metal components.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eUse with a tap wrench or T-handle and appropriate tapping oil or cutting fluid to reduce heat and enhance chip removal.\u003c\/li\u003e\n\u003cli\u003eKeep the tap aligned with the hole to prevent cross-threading; back the tap off periodically to break and clear chips.\u003c\/li\u003e\n\u003cli\u003ePair with compatible dies and tools in your toolkit for a full threading solution on steel, cast iron, or alloys supported by high carbon steel taps.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you're outfitting a busy machine shop or tackling a home workshop project, the Milwaukee High Carbon Steel SAE Straight Plug Tap 5\/8-18 NF is built to deliver precise, durable internal threads with a finish that stands up to repeated use. Add it to your tapping arsenal and approach every job with confidence—clean threads, dependable engagement, and a finish you can trust.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":52272863543570,"sku":"2054386","price":16.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/2054386_A.eps_High.jpg?v=1778783052","url":"https:\/\/nationalhardwaregroup.com\/products\/milwaukee-high-carbon-steel-sae-straight-plug-tap-5-8-18-nf","provider":"National Hardware Group","version":"1.0","type":"link"}