{"product_id":"cleveland-c54468-hand-tap-1-4-28-bottoming-hss-unf","title":"Cleveland C54468 Hand Tap 1\/4-28 Bottoming Hss Unf","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe CLEVELAND C54468 is a 1\/4-28 bottoming hand tap designed for cutting internal threads in blind and through holes. Built from high speed steel (HSS) with a bright uncoated finish, it runs four straight flutes to clear chips and maintain thread accuracy in a range of metals. The bottoming chamfer allows threading close to the bottom of a blind hole, making it the right choice when thread engagement depth is critical. At 2.5 inches overall length with a 0.63-inch threaded section, this tap fits standard tap wrenches and is suited to manual hand-tapping operations in a machine shop or field environment.\u003c\/p\u003e\u003cp\u003eThis tap is used in production and maintenance machining wherever 1\/4-28 UNF internal threads are required. The UNF (Unified National Fine) thread form is common in applications requiring higher thread engagement strength or vibration resistance than coarse thread, including precision assemblies, fastened assemblies in alloy and carbon steel components, and aluminum fabrications. It is appropriate for both blind hole and through-hole threading operations. The Class 2B fit and H2 thread limit provide standard tolerance threading consistent with most UNF fastener applications.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBottoming chamfer for threading to the bottom of blind holes\u003c\/li\u003e\n\u003cli\u003e4-flute straight flute geometry for chip clearance in manual tapping\u003c\/li\u003e\n\u003cli\u003eHigh speed steel construction for durability across common workpiece metals\u003c\/li\u003e\n\u003cli\u003eBright uncoated finish — no coating buildup to affect thread tolerance\u003c\/li\u003e\n\u003cli\u003eH2 thread limit and Class 2B fit for standard UNF tolerance compliance\u003c\/li\u003e\n\u003cli\u003eFits standard tap wrenches via 5\/16-inch square drive tang\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for manual hand-tapping of 1\/4-28 UNF threads. Compatible with alloy steel, carbon steel, aluminum, and free-machining stainless steel workpieces. Fits standard tap wrenches accepting a 0.191-inch square drive.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eUse appropriate cutting fluid or tapping compound for the workpiece material before starting the tap. Secure the workpiece firmly and align the tap perpendicular to the drilled hole before applying torque. Back off periodically to break and clear chips, especially in blind holes. Follow standard shop safety practices, including eye protection and proper workholding.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/4-28\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamfer Type\u003c\/strong\u003e: Bottoming\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Straight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass of Fit\u003c\/strong\u003e: 2B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Limit\u003c\/strong\u003e: H2\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: 0.63 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\u003eSquare Drive Size\u003c\/strong\u003e: 0.191 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare Drive Length\u003c\/strong\u003e: 0.3125 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\u003eMaterial Application\u003c\/strong\u003e: Alloy Steel, Aluminum, Carbon Steel, Free-Machining Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Blind Hole Threading, Through-Hole Threading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 1003\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: CLEVELAND\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: C54468\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CLEVELAND CONTROLS","offers":[{"title":"Default Title","offer_id":51694225129778,"sku":"C54468","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/843017506aa86e1c228fd163df14e5f5.jpg?v=1788321871","url":"https:\/\/voomisupply.com\/products\/cleveland-c54468-hand-tap-1-4-28-bottoming-hss-unf","provider":"Voomi Supply","version":"1.0","type":"link"}