OB Standard Working Face

1/16-27 .375
1/8-27 .375
¼-18 .562
3/8-1/18 .562
½-14 .712
¾-14 .724

How to Order Thread Rolls

When placing an order or requesting a quote, please have the following information available:

  1. Make and model of thread rolling attachment
  2. Style of thread roll (i.e. D-1, DR-1, C-1, etc.)
  3. Size and pitch of thread to be rolled, including dimensional tolerances if other than standard
  4. Length of thread on part
  5. Material to be rolled
  6. Print of part to be rolled


  1. Special rolls may require a sample part or more detailed specifications
  2. Some rolls require a special calculation to figure the work face on the roll

Ask about our Next-Day Delivery

See Instructions for Determining Your Thread Roll's Correct Working Face