Starrett SPINDLE SQUARE, 2.5mm RANGE, 0.01mm GRAD

Starrett 649-1M Spindle Square, 2.5mm Graduation Range, 0.01" Graduation Interval, 0-50-0 Dial Reading   The Starrett 649 Series Spindle Square Description accuracy, convenience and significant time saving with the common shop task of tramming the head of a vertical milling machine. This must be done regularly to ensure squarness and perpendicularity between the spindle and work surface. The spindle square is easier to use and more precise than the traditional method of tramming with a dial test indicator. 0.01mm Grad, 0-50-0 Dial; 2.5mm Range. FEATURES  Fully assembled with two AGD Group 2 dial indicators  Patented design  Solid steel body construction with durable black oxide finish  Ground gaging surface  Approximately 4 lbs with custom case  3/8" inch shank diameter  4" (100mm) between contact points  Approximately 6-3/4" (172mm) wide and 5-1/2" (140mm) from the top of shank to the end of the contact points   SPECIFICATIONS  Made in America: Yes  Type: Spindle Square  Range (mm): 2.5mm  Graduations (mm): 0.01mm  Dial Reading: 0-50-0