800-345-5512 sales@natmancorp.com

ER 191 SERIES

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The ER 191 Series fits most lathes and multi-spindle screw machines.

Range of specifications include:

  • 5/16-28 to 5/8-18
  • M8 x 1.25 to M16 x 2.0
  • Work Face: .7872

QUESTIONS? Give us a call.  Natman Corp – Toll Free: 800-345-5512

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


Our knowledgeable and courteous sales staff is ready to assist you.
Please give us a call
Toll Free: 800-345-5512
Fax: 631-287-3638 or
Contact us by E-Mail