Coating and Plating

As part of our material finishing and in partnership with our audited and approved suppliers, we offer various plating and coating finishes on parts.

Some of these plating and coating services include:

  • Anodizing
  • Black oxide
  • Cadmium plating
  • Chrome plating
  • Electroless nickel plating
  • Hot dip galvanizing
  • Painting
  • Passivation
  • Salt bath nitride
  • Zinc plating

“Thanks for being a partner for many years… Colonial has provided and advised us of any stub end needs for welding fittings.”

“Great company and great people.”

“We appreciate the relationship we have with Colonial.”

“You have always been very helpful and timely with your responses.”

“Great company and super people. Been doing business with Colonial Machine for over 40 years. Very knowledgeable.”

“Overall the customer service is very good.”

“It is a pleasure to do business with Colonial Machine.”

“Colonial Machine is a preferred partner for us as they are a great company to work with.”

“I have been working with Colonial Machine for the past 13 years and they are a very knowledgeable machine shop that can produce quality parts.”

“Honestly one of the best companies that I’ve dealt with in my 44 years in the business.”

“Colonial is one of our favorite vendors!”

“Customer service responds promptly and very courteous to work with.”