{"product_id":"osg-1101502405-spiral-point-tap-1-4-28-unf-plug-tin-hss","title":"Osg 1101502405 Spiral Point Tap 1\/4-28 Unf Plug Tin Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe OSG 1101502405 is a spiral point plug tap designed for threading 1\/4-28 UNF holes in through-hole applications. Manufactured from vanadium high-speed steel (HSS) and finished with a titanium nitride (TiN) coating, it delivers extended wear resistance and reduced friction during cutting. The plug chamfer distributes cutting load across the leading threads, making it well suited for production tapping in machine setups. With 3 flutes and a right-hand thread direction, the tap pushes chips ahead of the cut rather than packing them in the flute, keeping the hole clear during operation. Overall length is 2.5 inches with a thread length of 0.563 inches.\u003c\/p\u003e\n\u003cp\u003eThis tap is intended for ferrous and non-ferrous through-hole tapping in materials including aluminum, low-carbon steel, medium-carbon steel, high-carbon steel, alloy steel, die steel, stainless steel, hardened steel, cast iron, high-nickel alloy, and titanium. It fits standard machine tap holders and is used in CNC machining centers, drill presses, and manual tapping arms where a 1\/4-28 UNF internal thread is required. The H6 thread limit makes it appropriate for applications requiring a slightly oversized fit for plated or coated fasteners.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSpiral point geometry pushes chips forward, ideal for through-hole tapping\u003c\/li\u003e\n  \u003cli\u003eTiN coating increases surface hardness and reduces tool wear\u003c\/li\u003e\n  \u003cli\u003eVanadium high-speed steel construction handles a wide range of workpiece materials\u003c\/li\u003e\n  \u003cli\u003ePlug chamfer for general-purpose through-hole machine tapping\u003c\/li\u003e\n  \u003cli\u003eH6 thread limit provides controlled oversize for post-plate or coated fastener applications\u003c\/li\u003e\n  \u003cli\u003eRight-hand thread, 3-flute design compatible with standard CNC and manual tapping setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement spiral point tap for 1\/4-28 UNF through-hole tapping applications. Fits standard 1\/4-inch tap holders and collets used in CNC machining centers, drill presses, and tapping arms.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified machinist or tooling technician. Ensure the workpiece is securely fixtured and the spindle is properly aligned before tapping. Use appropriate cutting fluid for the workpiece material to maximize tool life and thread quality. Power down or de-energize the machine before changing or setting the tap in the holder.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/4-28 UNF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChamfer Type\u003c\/strong\u003e: Plug\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Limit\u003c\/strong\u003e: H6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Vanadium High-Speed Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiN (Titanium Nitride)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 0.563 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.255 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterrupted Thread\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 11015\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.034 pounds\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: OSG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 1101502405\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51741709140274,"sku":"1101502405","price":41.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/8aeeeacc1afe3c2630f684cf6bf31aee.jpg?v=1788833045","url":"https:\/\/voomisupply.com\/products\/osg-1101502405-spiral-point-tap-1-4-28-unf-plug-tin-hss","provider":"Voomi Supply","version":"1.0","type":"link"}