{"product_id":"collis-tool-74450-pipe-tap-mt4-taper-shank-driver-3-8-in","title":"Collis Tool 74450 Pipe Tap MT4 Taper Shank Driver 3\/8 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe COLLIS TOOL 74450 is a 3\/8 inch pipe tap with an MT4 taper shank split sleeve tapping driver, designed for creating threaded pipe connections in metal workpieces. The tap features a 1.5 inch entry depth, a 0.375 inch projection, and a 0.531 inch tap shank square, providing a secure positive drive during tapping operations. This tool is used by machinists and trade professionals working on plumbing, HVAC, and mechanical systems where precise pipe-thread tapping is required in a machine-tool environment. The MT4 taper shank mounts directly into compatible spindles or tapping heads for controlled, repeatable thread cutting.\u003c\/p\u003e\n\u003cp\u003eThe 74450 is suited for machine tapping applications where 3\/8 inch pipe threads must be cut cleanly and consistently. The split sleeve tapping driver accommodates the MT4 taper shank interface, making it appropriate for use with drill presses, milling machines, and tapping machines equipped with MT4 spindle sockets. The 1.5 inch tap entry depth allows adequate thread engagement for standard pipe fittings. Typical users include industrial machinists, pipefitters, and HVAC or plumbing fabricators working in shop or production environments.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/8 inch pipe tap size for standard NPT pipe thread applications\u003c\/li\u003e\n  \u003cli\u003eMT4 taper shank interface for direct mounting to compatible machine spindles\u003c\/li\u003e\n  \u003cli\u003eSplit sleeve tapping driver design provides positive drive and controlled torque transfer\u003c\/li\u003e\n  \u003cli\u003e1.5 inch tap entry depth for full thread engagement on standard pipe fittings\u003c\/li\u003e\n  \u003cli\u003e0.531 inch tap shank square ensures secure seating in the driver sleeve\u003c\/li\u003e\n  \u003cli\u003e0.7 inch tap shank diameter for stable alignment during tapping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with machine tools equipped with MT4 taper spindle sockets, including drill presses, milling machines, and dedicated tapping machines requiring a 3\/8 inch pipe tap configuration.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and use of this tapping driver should be performed by a qualified machinist or trade professional familiar with machine tapping procedures. Ensure the machine spindle is fully powered down and locked out before mounting or removing the MT4 shank. Verify the taper shank seating is clean and free of chips or debris before insertion to prevent runout. Always use appropriate cutting fluid for the workpiece material when tapping pipe threads.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTap Size\u003c\/strong\u003e: 3\/8 inch pipe\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTap Entry Depth\u003c\/strong\u003e: 1.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: MT4 Taper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDriver Type\u003c\/strong\u003e: Split Sleeve Tapping Driver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProjection\u003c\/strong\u003e: 0.375 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTap Shank Diameter\u003c\/strong\u003e: 0.7 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTap Shank Square\u003c\/strong\u003e: 0.531 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: COLLIS TOOL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 74450\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COLLIS TOOL","offers":[{"title":"Default Title","offer_id":67906925363506,"sku":"74450","price":91.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/6a507cad1b42709739c8fdc4a19a4c57.jpg?v=1791172529","url":"https:\/\/voomisupply.com\/products\/collis-tool-74450-pipe-tap-mt4-taper-shank-driver-3-8-in","provider":"Voomi Supply","version":"1.0","type":"link"}