Shop Grade 5" Precision Sine Plate

6" Length x 3-1/4" Wide x 1-5/16" High, Sine Plate  with 13 Holes 

Sine Plates are made of 1018 steel case hardened 

0.040-0.60" deep 58-60 Rockwell "C" and finish ground 

Square and parallel within 0.0002"

Center Distance of rolls 5.000 +/- 0.0005"

Overall Dimensions 6" Length x 3-1/4" Wide x 1-5/16" High

Diameter of rolls 0.708" +/- 0.0002"

Thirteen 1/4-20 tapped holes

Minute angle step 0.200"-0.0001"

End rail included

MSC#09130055