Precise 6″ x 6″ Ultra Precision Sine Plates

• 6 X 6″ Precision Sine Plate
• Made of high grade tool steel that is hardened and precision ground to HRC 55~58.
• Two hardened side rails and one locking strap are included.
• Capacity: 0 – 6
• Squareness: within 0.0002
• Parallelism: within 0.0002
• Center Distance of Rolls Accuracy: within 0.0002
• Minute Angle Step on Gage Block Roll: 0.200
• Tapped Holes: 1/4 – 20 UNC
• Size (B x A): 6 x 6
• Height (C): 2.36
• Center Distance of Rolls (D): 5
• No. of Tapped Holes: 24
• Weight: 18 lbs.