Fowler Economy 2-1/2” Sine Bar 52-455-030-0
Fowler Sine Bar equipment used with gage blocks is highly recommended for securing a high degree of accuracy in measuring angles for grinder and milling machine set ups. Both sine and rolls hardened and ground for extreme accuracy.
• Flange on end for resting work.
• Parallelism +/- .0004" on both the top and bottom.
• Supplied in fitted carton box.
Distance between center of rolls: 2-1/2″ ± .0004″