Interstate 5" Precision Sine Plate - 34-793-0

• Sine plates are made of 1018 Steel, case hardened 0.040 - 0.060" deep. 58 - 60 Rockwell "C" and finish ground.
• Square and parallel within 0.0002"
• Tolerance: +-1/16"
• Two T-slots for 1/4" tee bolts 3" on center.
• Center distance of rolls 5.000  +- 0.0005"
• Working surface top: 5" (+-1/16") x 6" (+-1/16")
• Overall dimensions: 6" W x 5" L x 2" H
• Twenty 1/4-20 tapped holes.
• Minute angle step 0.200 - 0.0001" on gage block roll
• End rail included.
• Weight: 12.75 lbs