ER 190 Series

The ER 190 Series fits most lathes and multi-spindle screw machines.

Range of specifications include:

  • 1/4-20 to 7/16-20
  • M6 x 0.75 to M11 x 1.25
  • Work Face: .5900

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View ER 190 Series size specifications for both Metric ISO Threads and Unified Threads in the tables below. For all sizes, .6L, 1L and 2L are available.

ER 190 Series Metric ISO Threads Unified Threads
Size Size
M 6 x 1 1/4-20
M 6 x 0.755 1/4-24
M 7 x 1 1/4-27
M 7 x 0.75 1/4-28
M 8 x 1.25 1/4-32
M 8 x 1 5/16-18
M 9 x 1.25 5/16-20
M 9 x 1 5/16-24
M 10 x 1.5 5/16-28
M 10 x 1.25 3/8-16
M 10 x 1 3/8-18
3/8-20
3/8-24
7/16-14
7/16-16
7/16-18
7/16-20

Watch the ER-190 Series attachment team up with CJWinter’s 125 series and 134 series to roll multiple threads.