{"product_id":"hertel-k011005as-hand-tap-4-40-unc-plug-3-flute-hss","title":"Hertel K011005AS Hand Tap 4-40 Unc Plug 3-flute Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe HERTEL K011005AS is a straight-flute hand tap designed for cutting 4-40 UNC internal threads in a wide range of materials. Built from high speed steel with a bright, uncoated finish, this tap delivers consistent thread form in light-duty tapping applications. The plug chamfer — typically 3 to 5 threads — allows the tap to start easily in through-holes while providing adequate guidance. With a thread limit of H4, this tool produces threads in the upper tolerance range of the 4-40 UNC class, making it suitable for applications that require a slightly looser fit for plating or coating allowance. Overall length is 1.875 inches with a shank diameter of 0.141 inches.\u003c\/p\u003e\n\u003cp\u003eThis tap is suited for machinists, tool and die technicians, and maintenance professionals working with small-diameter fastener threads in ferrous and non-ferrous metals, plastics, and similar materials. The 4-40 UNC designation is a common thread size found in electronics enclosures, instrument panels, and light mechanical assemblies. The 3-flute straight-flute design performs well in through-hole applications where chip evacuation is straightforward. A plug chamfer makes this tap the standard choice for general-purpose tapping when a bottoming tap is not required.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e4-40 UNC thread form with H4 thread limit for controlled upper-tolerance fit\u003c\/li\u003e\n  \u003cli\u003ePlug chamfer for easy starting in through-holes\u003c\/li\u003e\n  \u003cli\u003e3-flute straight-flute geometry supports chip flow in general-purpose tapping\u003c\/li\u003e\n  \u003cli\u003eHigh speed steel construction provides wear resistance across a broad range of workpiece materials\u003c\/li\u003e\n  \u003cli\u003eBright, uncoated finish for use with cutting fluid on a variety of materials\u003c\/li\u003e\n  \u003cli\u003eCompact 1.875-inch overall length suited to hand tapping and small machine setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style hand tap for use in standard 4-40 UNC tapping applications across general machining, maintenance, and light manufacturing environments.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis tap is intended for use by machinists or maintenance technicians familiar with hand tapping procedures. Always use an appropriate cutting fluid for the workpiece material and back off periodically to break chips. Ensure the tap is started square to the hole to prevent breakage, especially at this small diameter. Do not apply excessive torque — 4-40 taps are susceptible to breakage if overdriven.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 4-40\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTap Type\u003c\/strong\u003e: Standard Hand Tap\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChamfer\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: H4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Style\u003c\/strong\u003e: Straight Flute\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\u003eOverall Length\u003c\/strong\u003e: 1.875 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 0.5625 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.141 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.12 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: HERTEL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: K011005AS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51734451913010,"sku":"K011005AS","price":67.38,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/1283084a36322ecfd25d6b88e22df644.jpg?v=1788763095","url":"https:\/\/voomisupply.com\/products\/hertel-k011005as-hand-tap-4-40-unc-plug-3-flute-hss","provider":"Voomi Supply","version":"1.0","type":"link"}