Quality Policy 

MacDiarmid Machine Corp is committed to meeting customer and legal requirements to enhance customer satisfaction with our products and services through leadership, employee development, social responsibility and continual improvement of the quality management system to maintain the system’s suitability. Please click to download the ISO 9001:2015 PDF Certificate. MacDiarmid is also RoHS, REACH and ITAR compliant.

What we offer for quality control
  • Internal Bore Micrometers up to 4” diameter

  • 24 x 36 Precision Granite Surface Plate Grade B inspected

  • All Standard Micrometers – calibrated

  • Starrett Gauge Blocks – complete set – (.05 – 4)

  • Surface Plate 24” x 36”

  • Mitutoyo 18” Height Gauge

  • B&S 24” Height Gauge

  • 12” Height Master

  • Gauge Blocks

  • Gauge Pins

  • Dial Indicators

  • 16” Dorsey Optical Comparator

  • 24” Starrett Electronic Height Gauge

  • Inspection Equipment List

  • Fowler Trimos V4

  • CMM and other capabilities available from our affiliate Potentia Companies

Quality Manual

The Quality Manual is intended as a guide to the major aspects of the Quality Management System employed at MacDiarmid Machine.  For a copy call us at 978-465-3546 and we will be happy to email you a copy.


MacDiarmid Precision Machining

7 Perry Way, Newburyport, MA 01950, USA  |  Tel: 978-465-3546  |  Fax: 978-465-3636

Opening Hours: Mo-Fi 7:00-17:00 EST

  • LinkedIn Social Icon
  • Facebook
  • Twitter
  • Instagram

Terms and Conditions:  Sale Purchase