{"product_id":"collis-tool-78934-tapping-adapter-1-2-in-tap-size-2","title":"Collis Tool 78934 Tapping Adapter 1\/2 in Tap Size 2","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe COLLIS TOOL 78934 is a tapping adapter designed for use with 1\/2 inch taps in quick-change tapping systems. It accepts a Number 2 adapter size and features a tap shank diameter of 0.367 inches and a tap square size of 0.275 inches. Built with through-coolant capability, this adapter delivers coolant directly to the cutting zone, extending tap life and improving chip evacuation in deep-hole or production tapping applications. It is a precision tooling component intended for machinists and toolroom professionals working on CNC machining centers, drill presses, or tapping machines.\u003c\/p\u003e\u003cp\u003eThis tapping adapter is suited for production and job-shop environments where consistent thread quality and fast tool changes are required. The quick-change design reduces setup time between tap sizes. With a projection of 0.430 inches and a tap depth of 1.620 inches, it accommodates standard 1\/2 inch tap geometry in typical through-hole and blind-hole tapping setups. The 1.880 inch flange diameter provides stable seating in the adapter body.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eQuick-change design for fast tap swaps in production tapping setups\u003c\/li\u003e\n\u003cli\u003eThrough-coolant capability directs fluid to the cutting edge for improved tap life\u003c\/li\u003e\n\u003cli\u003eTap shank diameter of 0.367 inches suits standard 1\/2 inch tap shanks\u003c\/li\u003e\n\u003cli\u003eTap square size of 0.275 inches for positive drive engagement\u003c\/li\u003e\n\u003cli\u003eProjection of 0.430 inches and tap depth of 1.620 inches for correct tap seating\u003c\/li\u003e\n\u003cli\u003eFlange diameter of 1.880 inches for stable adapter retention\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with Number 2 quick-change tapping adapter systems accepting 1\/2 inch tap shank geometry.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified machinists or toolroom technicians familiar with quick-change tapping systems. Ensure the tapping head and spindle are fully stopped and de-energized before inserting or removing the adapter. Verify that the coolant-through port in the adapter aligns with the coolant supply path in the tapping head before operation. Confirm tap shank and square dimensions match the adapter specifications before securing the tap.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTap Size\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdapter Size\u003c\/strong\u003e: Number 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTap Shank Diameter\u003c\/strong\u003e: 0.367 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTap Square Size\u003c\/strong\u003e: 0.275 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProjection\u003c\/strong\u003e: 0.430 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTap Depth\u003c\/strong\u003e: 1.620 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange Diameter\u003c\/strong\u003e: 1.880 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick-Change\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: COLLIS TOOL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 78934\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COLLIS TOOL","offers":[{"title":"Default Title","offer_id":67908475552050,"sku":"78934","price":97.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/70733e9e24ac42ca76945af651b26220.jpg?v=1791183673","url":"https:\/\/voomisupply.com\/products\/collis-tool-78934-tapping-adapter-1-2-in-tap-size-2","provider":"Voomi Supply","version":"1.0","type":"link"}