Who We Are
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Precision Machining
Loyal customers have become accustomed to Keystone’s excellent quality, service, and delivery. Keystone offers flexibility and willingness in working with our customers to ensure quality and timely delivery.
Keystone Precision & Engineering combines craftsmanship with modern quality management methods, including: traceable material certifications; calibration of all metrology and measuring systems used to accept product; application of Statistical Process Control and Reporting; and the continuing development and refinement of our internal quality systems and have achieved international standards compliance ISO 9001:2015 in March of 2017. With this foundation, we will be servicing our valued existing and new customers for years to come.

Fadal Milling Centers
An industry standard for years, this platform of machines has been producing the highest standard of both prototype and production parts to meet your most stringent requirements.

Haas DT Vertical Milling Centers
With our quick, high speed milling centers, your production orders will be delivered to you on time and with the quality that you expect

Haas V2YT Vertical Milling Centers w/4th and 5th Axis Capabilities
Keystone’s collection of milling centers with multiple axis capabilities provides flexibility in production for even the most complex machined parts.

Haas Centers Milling with On Board Renshaw Inspection
Our Haas milling centers combine quick set up, high speed spindles and built in inspection of both the piece part and tooling to ensure that each part is exactly the same as the first part providing your company with consistency unrivaled in our industry.

Sodick 325L & 325LA Wire EDM
With the ability to wire edm, Keystone Precision’s tight tolerance machines provides you the ability to procure parts with multiple operations and features that most others cannot offer.

CNC Lathes
With our series of CNC Lathes, including bar feeder, we are able to support all of your turning requirements.
Contact Us
Located in Lomar Industrial Park, Keystone Precision can be easily reached via Routes 3, 495, 111 1nd 113.
16 Lomar Park, Suite 3, Pepperell, MA 01463
Phone: 978-433-8484
Fax: 978-433-0286
sales@keystoneprec.com
anthonys@keystoneprec.com