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