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ER 191 Series

View ER 191 size specifications for both Metric ISO Threads and Unified Threads in the tables below. For all sizes, .6L, 1L and 2L are available.

Metric ISO Threads

Size
M 8 x 1.25
M 8 x 1
M 8 x 0.75
M 9 x 1.25
M 9 x 1
M 10 x 1.5
M 10 x 1.25
M 11 x 1.5
M 12 x 1.75
M 12 x 1.5
M 12 x 1.25
M 13 x 1.5
M 14 x 2
M 14 x 1.5
M 15 x 1.5
M 16 x 2
M 16 x 1.25

Unified Threads

Size
5/16-18
5/16-24
5/16-28
3/8-16
3/8-24
7/16-14
7/16-16
7/16-20
1/2-13
1/2-16
1/2-18
1/2-20
9/16-12
9/16-14
9/16-16
9/16-18
5/8-11
5/8-12
5/8-16
5/8-18


diagram-191-sizing.jpg
Download the ER Series Brochure