Boston Centerless provides solutions that enhance our customer’s manufacturing processes. With over 60 years of experience, we grind the tightest tolerances in the industry. When we were established, we were primarily a centerless grinding company, and today we are a manufacturer and distributor of precision raw materials and preparation services.

Whether the end product being manufactured is a spinal implant, fuel injection valve seat or fluid control component, ultra-precision is integral to the success of product performance. We supply AccuRod® precision ground bar materials, specializing in close tolerances with a variety of material preparation services available.

The GrindAll Division provides grinding services on customer supplied material.

Our focus is to deliver outstanding value. We serve customers all over the world in a variety of industries.

Founded in 1958, Boston Centerless supplies precision bar materials and grinding services with unsurpassed quality and service.

Our Culture
Learn about the Core Purpose and Values which are the foundation of our company.

Check out the latest career opportunities available at Boston Centerless.

See the latest happenings from Boston Centerless.

Golden Bar
The Golden Bar Award is passed along monthly to an associate who was done an outstanding job of upholding our Core Values. See the latest recipient of the award here.

Boston Centerless is an active member in manufacturing industry associations and organizations.