{"product_id":"cleveland-c54662-hand-tap-7-16-20-unf-plug-rh-h3-hss","title":"Cleveland C54662 Hand Tap 7\/16-20 Unf Plug Rh H3 Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe CLEVELAND C54662 is a straight-flute hand tap designed for cutting 7\/16-20 UNF right-hand internal threads in both blind and through-hole applications. Built from bright-finish high speed steel, it runs without coolant and holds an H3 thread limit with a Class 2B fit — making it a reliable choice for production and maintenance threading work. The plug chamfer (3 to 5 threads) eases entry into partially formed holes and suits most general-purpose tapping jobs. Overall length is 3.156 inches with a 0.88-inch thread length. Machinists and tool-and-die professionals reach for this tap when threading ductile and machinable materials on manual lathes, drill presses, or by hand.\u003c\/p\u003e\u003cp\u003eThe C54662 is suited for threading alloy steel, carbon steel, aluminum, and free-machining stainless steel. The straight-flute geometry handles both blind hole and through-hole threading without chip-evacuation complications in these short-chipping materials. The 0.323-inch shank diameter and 0.242-inch square size are compatible with standard tap wrenches and machine collets sized for this shank class. Series 1002 is a production-grade line intended for consistent performance across repeated use in shop and field maintenance environments.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e7\/16-20 UNF thread form, right-hand cut, Class 2B fit\u003c\/li\u003e\n\u003cli\u003eH3 thread limit for controlled tolerance in moderate-clearance applications\u003c\/li\u003e\n\u003cli\u003ePlug chamfer for easy starting in through-holes and partially formed blind holes\u003c\/li\u003e\n\u003cli\u003e4-flute straight-flute geometry suited to short-chipping materials\u003c\/li\u003e\n\u003cli\u003eBright uncoated high speed steel construction — no coating to flake or delaminate\u003c\/li\u003e\n\u003cli\u003eRated for blind hole and through-hole threading without coolant-through requirement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in alloy steel, carbon steel, aluminum, and free-machining stainless steel workpieces requiring a 7\/16-20 UNF internal thread. Compatible with standard tap wrenches and machine holders accepting a 0.323-inch shank diameter.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eA licensed machinist or qualified maintenance technician should select the correct tap drill size for a 7\/16-20 UNF thread before tapping. Secure the workpiece fully before applying torque through the tap wrench or machine spindle. Apply a suitable cutting fluid for the workpiece material to extend tap life, even though this tap does not require coolant-through delivery. Inspect the tap for chipping or wear before each use — a damaged tap can seize in the hole or produce out-of-tolerance threads.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 7\/16-20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamfer Type\u003c\/strong\u003e: Plug\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: H3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreads per Inch\u003c\/strong\u003e: 20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3.156 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 0.88 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.323 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare Size\u003c\/strong\u003e: 0.242 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare Length\u003c\/strong\u003e: 0.406 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\u003eApplication\u003c\/strong\u003e: Blind Hole Threading, Through-Hole Threading\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\u003eSeries\u003c\/strong\u003e: 1002\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.09 pounds\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: C54662\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CLEVELAND CONTROLS","offers":[{"title":"Default Title","offer_id":51700537295154,"sku":"C54662","price":42.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/b53b4b1730d73c7c6c7bc7b394f93a15.jpg?v=1788391650","url":"https:\/\/voomisupply.com\/products\/cleveland-c54662-hand-tap-7-16-20-unf-plug-rh-h3-hss","provider":"Voomi Supply","version":"1.0","type":"link"}