Simply fill out our Request a Quote form and someone will get back to you shortly.

At M&R Engineering, Quality and Speed are at our core. Our technical team will work with you to clearly understand product expectations. The customer service team will ensure your delivery dates are confirmed and the product is on time. Please make sure to include any product history that made you pursue a new vendor in your Request a Quote.

At M&R Engineering, we battle not only the toughest machining challenges but also the most difficult designs. Whether the challenge pertains to parts manufactured by M&R Engineering or by other suppliers, we are glad to help. Please explain your challenge in the Contact Us form or call the office directly and request technical assistance.

If you are in trouble and need products quickly, the M&R Engineering team is here to get it done! From raw material procurement to machining in days, sometimes hours. Our team thrives on challenges, and we call this white glove service Sudden Solutions. Please make sure to indicate “Sudden Solutions” on your Request a Quote and someone will get back to you right away.

At M&R Engineering, qualified technical staff can help and document your existing product. Please call the office to make arrangements to ship us a sample.

M&R Engineering has over 40 years of experience in metal and plastic machining of high precision parts. From aerospace to tech, we have done it all. We are here to help. Please fill out a Contact Us form or call the office indicating you have a technical question.

This is a great opportunity to take advantage of M&R’s 40+ years of experience in high precision machining. From connectors to rockets, we have seen it all. Our main objective is to deliver a quality product at the best possible price. As part of our service, we will help proof your design for manufacturability. Please fill out our Contact Us form or call the office directly and request technical help.

Although we would love to help you, we are not set up for single-run production. We specialize in working with commercial items that have future demand. Our prices include machining time with setup time amortized over the order quantity. However, if you really want us to make your unique item, expect a high piece price.

Sorry, we are not in the business of material sourcing but you can try EJB (, Professional Plastics (, or Industrial Plastics Supply ( They would be glad to help you.

We do not typically stock custom machined plastic and metal parts. However, some aerospace parts that are purchased by multiple customers may be in inventory. Please provide print number and quantity required when you Contact Us.

R&B Plastics, an M&R Engineering Company, has over 40 years of experience in plastics machining. We machine acetal, Delrin®, Meldin, Nylon, PEEK, Semitron®, Techtron®, Teflon®, Torlon®, UHMW (Ultra high molecular weight polyethylene), Ultem®, Vespel®, Carbon Fiber, Graphite, Tivar, Tefzel, Rulon, Flourosint, Celazole, and Phenolic as well as many others. Learn more about our custom plastic machined parts.

M&R Engineering utilizes various CNC Lathes and CNC Swiss machines for high precision turning. Milling is done on CNC mills that also support drilling and tapping. We also utilize Davenport Screw Machines for our high-volume production.

At M&R Engineering we produce orders as small as five pieces. Depending on the manufacturing process, parts are price sensitive and each part must absorb an equal portion of the programming, setup costs, heat treat and plating processing charges. The smaller the order, the greater the cost.

M&R Engineering AS9100 certification does not cover design process. However, we work with our customers throughout the product development stage to ensure the final design developed has design stability, production stability, and economic stability. Check out our Case Studies to see how we have helped our customers.

Though we are a machining operation, we are constantly evaluating how to add value for our customers. Whether through product development participation, vendor managed inventories, or specialized packaging, we strive to support our customers’ needs.

M&R Engineering is not a prototype shop. However, we do an extensive amount of prototype work for our existing customers providing our value engineering expertise and supporting their product development efforts.

M&R Engineering does not make screws. Screws are made using a heading and thread rolling process that is not supported by our equipment. We do make a wide variety of custom fasteners, standoffs, connectors, inserts, and many custom mechanical parts on our high precision CNC Lathe, Swiss, and Mill machines.

M&R Engineering works with the best local subcontractors for special finishing processes including heat treat, passivation, cad, anodize, electroless nickel, zinc, silver, gold plating and others. Our vendor base is diverse covering the commercial and aerospace industries, depending on the customer purchase order requirements we utilize commercial level platers or NADCAP approved processors.

M&R Engineering provides various value added services including assemblies. Please fill out a Request a Quote form with detailed information.

We ship via UPS, common carrier, or any means specified by our customer. All our parts are shipped FOB Orange, unless we are requested to include shipping in the part price.

Are you ready to get your project started?

Still have questions?

Call our tech team at 800.454.3103