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Spindle Conversion Adapters

  • Made from steel
  • Dimensions are per USA Standards
  • Available with UNC or metric mounting bolt holes
  • Precision CNC turned in the U.S.A.
Spindle Conversion Adapters
Spindle (Machine)Chuck
Part No.TypeMountAB(bolt) in.*B(bolt) mm*CMountDE(tap) inE(tap) mmFOffset GDia HHole J
A5-A6253.250"%s104.125"64.188"1/2x1312x1.755.250"1.000"6.500"2.500"
A5-A8253.250"%s104.125"85.500"5/8x1116x26.750"1.125"8.250"3.000"
A6-A5164.188"%s125.250"53.250"7/16x1410x1.54.125"1.500"6.500"1.700"
A6-A8264.188"%s125.250"85.500"5/8x1116x26.750"1.125"8.250"3.250"
A6-A11264.188"%s125.205"117.750"3/4x1020x2.59.250"1.375"11.000"4.000"
A8-A6185.500"%s166.750"64.188"1/2x1312x1.755.250"1.750"8.250"2.500"
A8-A11285.500"%s186.750"117.750"3/4x1020x2.59.250"1.375"11.000"5.250"
A8-A15285.500"%s166.750"1511.250"7/8x922x2.513.000"1.625"15.000"5.250"
A11-A61117.750"%s209.250"64.188"1/2x1312x1.755.250"1.750"11.000"2.500"
A11-A81117.750"%s209.250"85.500"5/8x1116x26.750"1.875"11.000"3.250"
A11-A152117.750"%s209.250"1511.250"7/8x922x2.513.000"1.625"15.000"7.500"
A11-A202117.750"%s209.250"2016.250"1x824x318.250"1.875"20.500"7.500"
A15-A811511.250"%s2213.000"85.500"5/8x1116x26.750"2.000"15.000"3.250"
A15-A1111511.250"%s2213.000"117.500"3/4x1020x2.59.250"2.250"15.000"5.250"
A15-A2021511.250"%s2213.000"2016.250"1x824x318.250"1.875"20.500"11.000"
A20-A1112016.250"%s2418.250"117.750"3/4x1020x2.59.250"2.125"20.500"5.250"
A20-A1512016.250"%s2418.250"1511.250"7/8x922x2.513.000"2.500"20.500"8.250"
* Specify metric or inch requirements when ordering
NOTE:
1. Spindle and chuck mountings are outer bolt circle (type A2).
2. “A” and “D” are diameters to sharp corners (large diameter of taper).
3. “B” bolts are a total of 6 equally spaced (60 deg. apart) on a bolt circle of “C”.
4. “E” tapped holes are a total of 12 equally spaced (30 deg. apart) on a bolt circle of “F”.