{"product_id":"value-collection-jy4841409-straight-flute-tap-5-16-40-uns","title":"Value Collection JY4841409 Straight Flute Tap 5\/16-40 Uns","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION JY4841409 is a straight flute plug tap designed for cutting 5\/16-40 UNS internal threads in a range of materials. Manufactured from high-speed steel with a bright\/uncoated finish, this tap delivers reliable thread-cutting performance in production and maintenance applications. It features 4 straight flutes, an H3 thread limit, and a 3B class of fit, making it suitable for standard tolerance threading work where clean, accurate threads are required. The overall length is 2-23\/32 inches. Right-hand thread direction is standard. This tool is used by machinists, maintenance technicians, and tool-room professionals.\u003c\/p\u003e\n\u003cp\u003eThe JY4841409 is suited for threading operations on ferrous and non-ferrous metals where through-hole or short blind-hole tapping is performed. The plug chamfer style — typically 3 to 5 chamfered threads — allows the tap to start easily in a pre-drilled hole while cutting full threads quickly. It is commonly used in job shops, industrial maintenance settings, and manufacturing environments where UNS thread forms are specified. The 5\/16-40 thread specification is a Unified National Special thread, applied in applications requiring a finer pitch than standard UNS coarse series at this diameter.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e5\/16-40 UNS thread form cuts Unified National Special threads at a fine pitch\u003c\/li\u003e\n  \u003cli\u003e4 straight flutes for consistent chip formation in through-hole and short blind-hole applications\u003c\/li\u003e\n  \u003cli\u003ePlug chamfer style for easy starting and efficient full-thread cutting\u003c\/li\u003e\n  \u003cli\u003eH3 thread limit for standard tolerance control on 3B class of fit threads\u003c\/li\u003e\n  \u003cli\u003eHigh-speed steel construction provides durability across a broad range of workpiece materials\u003c\/li\u003e\n  \u003cli\u003eBright\/uncoated finish — no coating buildup to affect thread tolerance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in standard tapping chucks, tap holders, and manual tap wrenches that accept straight-shank taps. Suitable for 5\/16-40 UNS thread applications requiring a 3B class of fit.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis tap is installed and operated by machinists or maintenance technicians using a tap wrench, tapping head, or CNC tapping attachment. Always ensure the workpiece is secured and the pilot hole is drilled to the correct tap drill diameter for 5\/16-40 UNS threads before beginning the tapping operation. Use appropriate cutting fluid for the workpiece material to extend tap life and improve thread quality. Do not force the tap — back off periodically to break chips when tapping by hand.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 5\/16-40\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChamfer Style\u003c\/strong\u003e: Plug\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass of Fit\u003c\/strong\u003e: 3B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Limit\u003c\/strong\u003e: H3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2-23\/32 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High-Speed Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: VALUE COLLECTION\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: JY4841409\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51720867479858,"sku":"JY4841409","price":51.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/27c17243dbd46eee29f2d13c0ae2ecf6.jpg?v=1788570224","url":"https:\/\/voomisupply.com\/products\/value-collection-jy4841409-straight-flute-tap-5-16-40-uns","provider":"Voomi Supply","version":"1.0","type":"link"}