{"product_id":"aloris-da-4-boring-bar-holder-1-1-2-in-series-da","title":"Aloris DA-4 Boring Bar Holder 1-1\/2 in Series Da","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ALORIS DA-4 is a Series DA boring bar holder designed for use on engine lathes and turret lathes. It accepts boring bars up to 1-1\/2 inches in diameter and supports a lathe swing range of 17 to 48 inches, making it suitable for a wide range of shop lathes. Overall height is 3-1\/4 inches and overall length is 5-7\/8 inches. The centerline height measures 1-5\/8 inches. This holder mounts to a compatible Series DA quick-change tool post and is installed by machinists and tool and die professionals in production and job-shop environments. It does not include through-coolant capability.\u003c\/p\u003e\u003cp\u003eThe DA-4 is used in metalworking applications where a dedicated boring bar holder is needed for internal turning, boring, and hole finishing operations. It fits standard Series DA quick-change tool post systems found on lathes with a swing between 17 and 48 inches. With a bushing installed, the holder accommodates boring bars down to 1-1\/4 inches in diameter, expanding its range of usable tooling. This holder is a common fixture in both manual and semi-automated lathe setups in machine shops, maintenance facilities, and tool rooms.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAccepts 1-1\/2 inch diameter boring bars without a bushing\u003c\/li\u003e\n\u003cli\u003eAccommodates 1-1\/4 inch boring bars when used with the appropriate bushing\u003c\/li\u003e\n\u003cli\u003eCompatible with lathes in the 17 to 48 inch swing range\u003c\/li\u003e\n\u003cli\u003eCenterline height of 1-5\/8 inches for consistent tool alignment\u003c\/li\u003e\n\u003cli\u003eOverall length of 5-7\/8 inches and overall height of 3-1\/4 inches\u003c\/li\u003e\n\u003cli\u003eNo through-coolant port  -  suitable for dry and flood-external coolant setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with ALORIS Series DA quick-change tool post systems on engine lathes and turret lathes with a swing between 17 and 48 inches.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by a qualified machinist. Before mounting or removing any tool holder, shut down the lathe, disengage the spindle, and confirm the machine is fully stopped. Secure the boring bar in the holder using the appropriate set screw torque as specified by the tool post manufacturer. Verify centerline height alignment with a reference gauge before taking a cut.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: DA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolder Number\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolder Type\u003c\/strong\u003e: Boring Bar Holder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoring Bar Size\u003c\/strong\u003e: 1-1\/2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoring Bar Size with Bushing\u003c\/strong\u003e: 1-1\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLathe Swing\u003c\/strong\u003e: 17 to 48 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Height\u003c\/strong\u003e: 3-1\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 5-7\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenterline Height\u003c\/strong\u003e: 1-5\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough Coolant\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 15.5 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: ALORIS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: DA-4\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALORIS","offers":[{"title":"Default Title","offer_id":67909402198322,"sku":"DA-4","price":345.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d42356059831eb200cc1ddef970f62ca.jpg?v=1791187054","url":"https:\/\/voomisupply.com\/products\/aloris-da-4-boring-bar-holder-1-1-2-in-series-da","provider":"Voomi Supply","version":"1.0","type":"link"}