{"product_id":"osg-1400102301-thread-forming-tap-2-56-unc-bottoming-cobalt","title":"Osg 1400102301 Thread Forming Tap 2-56 Unc Bottoming Cobalt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe OSG 1400102301 is a thread forming tap designed for creating 2-56 UNC internal threads without cutting chips. Made from cobalt high-speed steel with a steam oxide coating, this bottoming tap is built for use in blind hole applications where full thread depth close to the bottom of the hole is required. It operates with a right-hand thread direction and carries a Class 2B fit with an H3 thread limit, making it suited for standard tolerance threading work. Licensed machinists and tool-and-die technicians are the primary users. The 1.75-inch overall length and 0.437-inch thread length make it a compact, precision tool for small-fastener work.\u003c\/p\u003e\n\u003cp\u003eThe OSG 1400102301 is rated for use across a wide range of workpiece materials including alloy steel, carbon steel, die steel, hardened steel, stainless steel, and aluminum. Its bottoming chamfer of 1 to 1.5 threads makes it the correct choice when threading must extend as close to the bottom of a blind hole as possible. It fits into standard tap holders with a 0.141-inch shank diameter and a 0.110-inch square drive. This tap belongs to the OSG HY-PRO NRT series, which is engineered specifically for thread forming rather than thread cutting, meaning no chips are produced during the tapping operation.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eThread forming design displaces material rather than cutting, eliminating chip buildup in blind holes\u003c\/li\u003e\n  \u003cli\u003eCobalt construction provides heat resistance and durability in tough workpiece materials including hardened steel and stainless steel\u003c\/li\u003e\n  \u003cli\u003eSteam oxide coating reduces friction and improves lubrication retention during tapping\u003c\/li\u003e\n  \u003cli\u003eBottoming chamfer of 1 to 1.5 threads allows threading to full depth in blind holes\u003c\/li\u003e\n  \u003cli\u003eH3 thread limit with Class 2B fit meets standard UNC tolerance requirements\u003c\/li\u003e\n  \u003cli\u003eRight-hand thread direction compatible with standard tapping equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with standard tap holders and tapping heads that accept a 0.141-inch shank diameter with a 0.110-inch square drive. Rated for threading alloy steel, aluminum, carbon steel, die steel, hardened steel, and stainless steel workpieces. Part of the OSG HY-PRO NRT series, catalog series 14001.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThread forming taps require adequate lubrication at the tap and workpiece interface — use a tapping fluid appropriate for the workpiece material. Power the machine down and secure the workpiece before tool changes. Do not reverse a thread forming tap under power without confirming the tapping head supports reversal. Use a torque-limiting tap holder when working with small-diameter taps to avoid breakage.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 2-56\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChamfer Type\u003c\/strong\u003e: Bottoming\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChamfered Threads\u003c\/strong\u003e: 1 to 1.5 threads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThreads per Inch\u003c\/strong\u003e: 56\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\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Cobalt High-Speed Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: Steam Oxide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 0.437 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTapping Depth\u003c\/strong\u003e: 0.476 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\u003eSquare Size\u003c\/strong\u003e: 0.110 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare Length\u003c\/strong\u003e: 0.1875 inches\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\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Application\u003c\/strong\u003e: Alloy Steel, Aluminum, Carbon Steel, Die Steel, Hardened Steel, Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: HY-PRO NRT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 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: 1400102301\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51736975573298,"sku":"1400102301","price":38.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/8e314f4dde87293ddb4ce3710bcd5c2a.jpg?v=1788782569","url":"https:\/\/voomisupply.com\/products\/osg-1400102301-thread-forming-tap-2-56-unc-bottoming-cobalt","provider":"Voomi Supply","version":"1.0","type":"link"}