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Product Comparison

  Rotary Table, 4" Precision Rotary Table, 4" H/V
Part Number 1810 1927
Product  Rotary Table, 4" Precision  Rotary Table, 4" H/V
Ratio  72:1  72:1
Table Diameter  3.9" (100 mm)  3.9" (100 mm)
Height (Mounted Horizontal)  2.9" (73 mm)  2.8" (70 mm)
Body Length  5.5" (140 mm)  4.9" (125 mm)
Body Width  5.0" (126 mm)  5.0" (128 mm)
Center Hole Taper  2 Morse Taper  2 Morse Taper
Center Height (Mounted Vertically)  2.68" (68.0 mm)  2.76" (70.0 mm)
T-Slot Width  0.31" (8.0 mm)  0.24" (6.0 mm)
Minimum Vernier Reading  10"  10"
Flatness of Table Surface (Concave)  0.0008" (0.020 mm)  0.0006" (0.015 mm)
Parallelism of Table Surface to Base  0.0008" (0.020 mm)  0.0008" (0.020 mm)
Squareness of Table Surface to Base  0.0012" (0.030 mm)  0.0004" (0.010 mm)
Runout of Table Surface  0.0006" (0.015 mm)  0.0008" (0.020 mm)
Runout of Center Taper  0.0008" (0.020 mm)  0.0006" (0.015 mm)
Squareness of Table Surface to Angle Face Slot  0.0012" (0.030 mm)  0.0006" (0.015 mm)
Center Hole Parallel with the Angle Face  0.0008" (0.020 mm)  0.0006" (0.015 mm)
Maximum Spacing Error  70"  120"