Connecting U.S. manufacturers to quality American made Precision JO-PLUGS®  


  Three easy ways to order:

  • Set up an account, order online now or call to order by phone
  •  3rd Party ISO/IEC 17025:2005 Letter of Accreditation  at no charge with order
  • "Go Basic" pitch diameter meets both 2B and 3B thread class specifications (6H Metric)
  • Calibrated solid pitch cylinder achieves repeatable and reproducible results 
  • Pitch cylinder referenced in accordance to ANSI Y14.5 M for basic position, orientation 
  • Custom Precision JO-PLUGS® manufactured to print for unique apps is our specialty
  • Fast delivery on tapped hole location gages

Featured Products

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Contact Us

Spence Industries, Inc.

23888 Dequindre - Warren, MI 48091-1823, USA

(586) 758-3800

Hours

Mon

9:00 am – 5:00 pm

Tue

9:00 am – 5:00 pm

Wed

9:00 am – 5:00 pm

Thu

9:00 am – 5:00 pm

Fri

9:00 am – 5:00 pm

Sat

Closed

Sun

Closed