{"product_id":"value-collection-219-9534-milling-machine-arbor-nmtb50","title":"Value Collection 219-9534 Milling Machine Arbor NMTB50","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION 219-9534 is a Style B milling machine arbor with a taper shank designed for use on milling machines equipped with an NMTB50 spindle taper. The arbor features a 1-inch arbor diameter and an overall length of 21.88 inches, making it suited for general-purpose horizontal and vertical milling operations. The drawbar thread is sized at 1-8. This arbor is installed by machinists and tool room technicians in production and job shop environments where accurate cutter positioning and solid shank engagement are critical to machining performance.\u003c\/p\u003e\u003cp\u003eThis arbor is intended for use in milling machines with an NMTB50 taper spindle, a standard found across a wide range of knee mills, bed mills, and horizontal milling machines in both job shop and production settings. The 15-inch shoulder-to-nut length provides substantial cutter stack capacity, and the included arbor spacer and running bushing support proper cutter spacing and arbor support at the outboard end. The package includes one arbor, one arbor spacer, and one running bushing with a 2-1\/8-inch diameter and a 3-3\/4-inch length.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStyle B arbor with NMTB50 taper shank for positive spindle engagement\u003c\/li\u003e\n\u003cli\u003e1-inch arbor diameter with a 15-inch shoulder-to-nut length for extended cutter stack capacity\u003c\/li\u003e\n\u003cli\u003e2.125-inch shank diameter for secure retention in the spindle bore\u003c\/li\u003e\n\u003cli\u003eDrawbar thread size of 1-8 for standard drawbar compatibility\u003c\/li\u003e\n\u003cli\u003eIncludes one arbor spacer and one running bushing (2-1\/8-inch diameter, 3-3\/4-inch length)\u003c\/li\u003e\n\u003cli\u003eOverall length of 21.88 inches supports outboard arbor support arm use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in milling machines equipped with an NMTB50 taper spindle. Confirm spindle taper, drawbar thread size, and arbor support bore diameter before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or tool room technician with the machine powered down and locked out per applicable lockout\/tagout procedures. Verify the spindle taper and drawbar thread engagement before tightening. The running bushing must be seated in the arbor support arm to prevent deflection during cuts. Inspect arbor spacers, the arbor bore, and cutter seating surfaces for burrs or contamination before assembly.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArbor Diameter\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 21.88 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShoulder to Nut Length\u003c\/strong\u003e: 15 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Taper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTaper Size\u003c\/strong\u003e: NMTB50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 2.125 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrawbar Thread Size\u003c\/strong\u003e: 1-8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling Arbor Style\u003c\/strong\u003e: Style B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes\u003c\/strong\u003e: Arbor Spacer, Running Bushing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Bushings\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBushing Diameter\u003c\/strong\u003e: 2-1\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBushing Length\u003c\/strong\u003e: 3-3\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 20 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: VALUE COLLECTION\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 219-9534\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51690694803762,"sku":"219-9534","price":477.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/fc62f218ebdd6fd91a76b66f3061f827.jpg?v=1788274064","url":"https:\/\/voomisupply.com\/products\/value-collection-219-9534-milling-machine-arbor-nmtb50","provider":"Voomi Supply","version":"1.0","type":"link"}