{"product_id":"spline-master-gear","title":"Spline Master Gear","description":"\u003cp\u003eWESTport spline master gears are \u003cstrong\u003egear-form reference masters\u003c\/strong\u003e used to set, verify, and calibrate spline inspection equipment for both internal and external splines. Built to your print as functional masters, they give every spline gage and indicating fixture on your floor a common, traceable reference.\u003c\/p\u003e\n\u003ch2\u003eMaster gear or setting master?\u003c\/h2\u003e\n\u003cp\u003eA master gear provides the mating tooth form for functional checks and for setting indicating equipment. A \u003ca href=\"\/products\/taper-master-plug-gage\"\u003etaper master plug gage\u003c\/a\u003e is the setting master used to zero spline ring and indicating gages. Which one you need depends on your measuring system — send the drawing and we will confirm the correct reference for your setup.\u003c\/p\u003e\n\u003ch2\u003eStandards \u0026amp; setup\u003c\/h2\u003e\n\u003cp\u003eManufactured to \u003cstrong\u003eANSI B92.1\u003c\/strong\u003e, \u003cstrong\u003eANSI B92.2M\u003c\/strong\u003e, \u003cstrong\u003eISO 4156\u003c\/strong\u003e, \u003cstrong\u003eDIN 5480\u003c\/strong\u003e, and related involute and straight-sided standards, or to your print. Built to order — specify the number of teeth, pitch, pressure angle, class of fit, and whether the spline is internal or external.\u003c\/p\u003e\n\u003ch2\u003eCertification \u0026amp; quality\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned, ground, and hand lapped in-house for accuracy and long service life\u003c\/li\u003e\n\u003cli\u003eCertificate of Accuracy, NIST-traceable — included with every gage\u003c\/li\u003e\n\u003cli\u003eCertified to ISO\/IEC 17025; Long Form Certification available on a 5–7 business day turnaround\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/express-gage-quote\"\u003eRequest a quote\u003c\/a\u003e with your print, or inspect production parts with the \u003ca href=\"\/products\/involute-spline-plug-gage\"\u003eInvolute Spline Plug Gage\u003c\/a\u003e and the \u003ca href=\"\/products\/involute-spline-ring-gage\"\u003eInvolute Spline Ring Gage\u003c\/a\u003e.\u003c\/p\u003e","brand":"WESTport","offers":[{"title":"Default Title","offer_id":51203892707364,"sku":null,"price":0.01,"currency_code":"USD","in_stock":true}],"url":"https:\/\/westportcorp.com\/products\/spline-master-gear","provider":"WESTport","version":"1.0","type":"link"}