{"product_id":"guhring-9039100041660-spiral-flute-tap-8-32-unc-tin","title":"Guhring 9039100041660 Spiral Flute Tap 8-32 Unc Tin","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GUHRING 9039100041660 is a spiral flute tap designed for blind hole threading in demanding materials including aerospace alloys and stainless steel. Built from powdered metal with a TiN (titanium nitride) coating, it delivers extended tool life and reduced friction in hard-to-machine applications. The modified bottoming chamfer allows threading close to the bottom of blind holes. With a 40-degree helix angle and fast flute style, chips are efficiently evacuated up and out of the hole during tapping. This tap is sized 8-32 UNC with a 2B class of fit and three right-hand flutes, making it a precise, production-grade tool for machine shops, aerospace fabricators, and precision manufacturing environments.\u003c\/p\u003e\u003cp\u003eThis tap is suited for blind hole threading operations in aerospace alloys and stainless steel. The modified bottoming chamfer and fast spiral flute geometry make it appropriate for CNC tapping centers and rigid tapping setups where chip control and thread accuracy are critical. The H3 and H4 thread limits accommodate standard 2B tolerance threading requirements. It is used by machinists and toolroom technicians working in aerospace, defense, and precision manufacturing sectors where material toughness demands a high-performance tap geometry.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eModified bottoming chamfer for threading close to the bottom of blind holes\u003c\/li\u003e\n\u003cli\u003e40-degree helix angle with fast flute style for efficient chip evacuation\u003c\/li\u003e\n\u003cli\u003eTiN coating reduces friction and extends tool life in tough materials\u003c\/li\u003e\n\u003cli\u003ePowdered metal construction provides uniform hardness and wear resistance\u003c\/li\u003e\n\u003cli\u003eH3 and H4 thread limits support 2B class of fit precision threading\u003c\/li\u003e\n\u003cli\u003eRight-hand flute and right-hand thread, no coolant-through requirement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for blind hole threading in aerospace alloys and stainless steel. Suitable for use in CNC machining centers and rigid tapping applications requiring 8-32 UNC, 2B class of fit threads with H3 or H4 thread limits.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis tap is installed and operated by qualified machinists using CNC tapping centers or drill presses equipped for rigid tapping. Always ensure the spindle and workpiece are properly secured before beginning the tapping cycle. Use an appropriate cutting fluid or tapping compound compatible with the workpiece material to protect the coating and extend tool life. Do not reverse direction manually while the tap is engaged in the hole.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 8-32\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass of Fit\u003c\/strong\u003e: 2B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamfer\u003c\/strong\u003e: Modified Bottoming\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 40 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Style\u003c\/strong\u003e: Fast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Limit\u003c\/strong\u003e: H3, H4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreads per Inch\u003c\/strong\u003e: 32\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.13 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.168 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck Length\u003c\/strong\u003e: 0.827 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare Size\u003c\/strong\u003e: 0.131 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Powdered Metal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: TiN\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: Aerospace Alloy, Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Blind Hole Threading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 3910\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.05 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: GUHRING\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 9039100041660\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51747389079858,"sku":"9039100041660","price":47.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/76199fcbb6476351ab487d8dabf69e93.jpg?v=1788879329","url":"https:\/\/voomisupply.com\/products\/guhring-9039100041660-spiral-flute-tap-8-32-unc-tin","provider":"Voomi Supply","version":"1.0","type":"link"}