{"product_id":"osg-1073502-straight-flute-tap-8-32-unc-bottoming-hss","title":"Osg 1073502 Straight Flute Tap 8-32 Unc Bottoming Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe OSG 1073502 is a straight flute bottoming tap designed to cut internal threads in pre-drilled holes where full thread depth is required close to the bottom of a blind hole. Manufactured from high-speed steel (HSS), it produces right-hand 8-32 UNC threads with a 2B class of fit and an H3 thread limit for consistent dimensional control. With 2 flutes and a bottoming chamfer, this tap is suited for finishing passes after a taper or plug tap has started the thread. Overall length is 2.125 inches with a thread length of 0.75 inches. Machinists, toolmakers, and maintenance technicians rely on this tap for precise threading in a range of ferrous and non-ferrous materials.\u003c\/p\u003e\u003cp\u003eThe OSG 1073502 is intended for tapping operations across a broad range of common workpiece materials including aluminum, cast aluminum, cast iron, high-carbon steel, low-carbon steel, and medium-carbon steel. It is well suited for both production and maintenance environments where 8-32 UNC threads are a standard fastener specification. The bottoming chamfer makes it especially useful in blind-hole applications where thread engagement must extend as close to the hole bottom as possible.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBottoming chamfer for maximum thread depth in blind holes\u003c\/li\u003e\n\u003cli\u003eHigh-speed steel construction for durability across ferrous and non-ferrous materials\u003c\/li\u003e\n\u003cli\u003e2B class of fit with H3 thread limit for controlled tolerance threading\u003c\/li\u003e\n\u003cli\u003e2-flute design promotes chip clearance in through and blind hole applications\u003c\/li\u003e\n\u003cli\u003eRight-hand thread direction, 8-32 UNC standard\u003c\/li\u003e\n\u003cli\u003eCompact 2.125-inch overall length suited for confined workspaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for tapping 8-32 UNC threads in aluminum, cast aluminum, cast iron, high-carbon steel, low-carbon steel, and medium-carbon steel workpieces. Suitable as an OEM-style replacement or standard toolroom tap wherever 8-32 UNC bottoming taps with H3 tolerance are specified.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis tap is installed by machinists and toolroom technicians using a tap wrench, tapping head, or CNC tapping cycle. Always ensure the pilot hole is drilled to the correct tap drill size for 8-32 UNC before use. Apply appropriate cutting fluid for the workpiece material to extend tool life and improve thread finish. When tapping blind holes, use a taper or plug tap first, then finish with this bottoming tap to achieve full thread depth.\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\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamfer\u003c\/strong\u003e: Bottoming\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\u003eThread Length\u003c\/strong\u003e: 0.75 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.125 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High-Speed Steel\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: 102\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Application\u003c\/strong\u003e: Aluminum, Cast Aluminum, Cast Iron, High-Carbon Steel, Low-Carbon Steel, Medium-Carbon Steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: 1073502\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51743092867378,"sku":"1073502","price":22.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2ff9866639b454523cdf1e41e368afea.jpg?v=1788842582","url":"https:\/\/voomisupply.com\/products\/osg-1073502-straight-flute-tap-8-32-unc-bottoming-hss","provider":"Voomi Supply","version":"1.0","type":"link"}