{"product_id":"osg-1410102401-thread-forming-tap-m4x0-70-bottoming-cobalt","title":"Osg 1410102401 Thread Forming Tap M4x0.70 Bottoming Cobalt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe OSG 1410102401 is a thread forming tap designed for M4x0.70 metric coarse threading in blind hole applications. Unlike cutting taps, thread forming taps displace material rather than cut it, producing stronger threads with no chips to clear. This tap is manufactured from cobalt high-speed steel and finished with a steam oxide coating, delivering elevated heat resistance and improved lubricity during tapping operations. With a bottoming chamfer of 1 to 1.5 thread pitches, it threads close to the bottom of blind holes where a standard or plug chamfer cannot reach. It is part of the OSG HY-PRO NRT series and carries a 4H class of fit with a D4 thread limit.\u003c\/p\u003e\n\u003cp\u003eThis tap is suited for threading blind holes in a wide range of ferrous and non-ferrous materials including alloy steel, carbon steel, die steel, hardened steel, stainless steel, and aluminum. It is a tool-room and production staple for machinists, maintenance technicians, and fabricators working with metric fastener applications. The bottoming geometry makes it especially practical for fixtures, mold components, and assemblies where full thread depth in a shallow blind hole is required.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eThread forming design displaces material rather than cutting, producing stronger threads and eliminating chip evacuation concerns in blind holes\u003c\/li\u003e\n  \u003cli\u003eCobalt construction provides superior heat and wear resistance compared to standard M2 high-speed steel\u003c\/li\u003e\n  \u003cli\u003eSteam oxide coating improves surface lubricity and reduces galling during the forming process\u003c\/li\u003e\n  \u003cli\u003eBottoming chamfer of 1 to 1.5 thread pitches allows threading to near the full depth of blind holes\u003c\/li\u003e\n  \u003cli\u003e4H class of fit with D4 thread limit ensures consistent, accurate thread production\u003c\/li\u003e\n  \u003cli\u003eRight-hand thread direction, compatible with standard tapping chucks and CNC rigid tapping cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for blind hole thread forming in alloy steel, aluminum, carbon steel, die steel, hardened steel, and stainless steel workpieces. Material application codes P and N confirm suitability across these material families. No coolant-through feature; external cutting fluid or tapping compound is recommended.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThread forming taps require proper hole preparation with a forming tap drill size, which is larger than a standard cut tap drill — consult an M4x0.70 thread forming drill chart before drilling. Use a suitable tapping fluid or paste lubricant; dry forming will accelerate tap wear and can cause galling in stainless or harder steels. Secure the workpiece fully before tapping, and ensure the tap is held perpendicular to the hole face. This tap is intended for use by qualified machinists or maintenance technicians familiar with metric thread forming processes.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: M4x0.70\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: Metric Coarse\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 1.5P\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass of Fit\u003c\/strong\u003e: 4H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Limit\u003c\/strong\u003e: D4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Blind Hole Threading\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\/Finish\u003c\/strong\u003e: Steam Oxide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.126 inches (54.00 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 0.3307 inches (8.40 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTapping Depth\u003c\/strong\u003e: 0.7717 inches (19.60 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.168 inches (4.27 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare Size\u003c\/strong\u003e: 0.131 inches (3.33 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare Length\u003c\/strong\u003e: 6.35 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\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: 0.007 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: 1410102401\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51730951635250,"sku":"1410102401","price":30.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/1387a1cbc85e69f037e155e448d18e22_1d3a2d9f-a0db-445c-9ef9-332195c38ae7.jpg?v=1788725211","url":"https:\/\/voomisupply.com\/products\/osg-1410102401-thread-forming-tap-m4x0-70-bottoming-cobalt","provider":"Voomi Supply","version":"1.0","type":"link"}