Electropolishing Service for Parts in Bulk

Are you searching for an economical way to brighten and passivate your stainless steel fasteners, springs or other small parts?

In the early 1990s, Able Electropolishing developed a bulk electropolishing process that was designed specifically to provide a bright and passive surface on stainless steel fasteners. Responding to our customer requests, we were able to add a service that gave the fastener industry an economical means of improving the appearance and corrosion resistance on various fasteners that was superior to standard chemical passivation. Over time, the technology has been expanded to include pins, rivets, springs, wire forms and other stainless steel parts. An alternative to the standard “rack” electropolishing where you have to make electrical contact with each part, “bulk” electropolishing is performed by placing parts in a basket.

Electropolishing Fasteners

Electropolishing Parts

Electropolishing Screws

Bulk Electroplishing vs. Rack Electropolishing

When contemplating the use of our bulk electropolishing process versus rack electropolishing it is important to keep in mind the differences.

First of all, the bulk process is designed for parts that don’t have close tolerances. Since we are not making individual contact with each part as with the rack process, you will see a wide range of material removal within each lot. As a result of the material removal variation, you will see a variation in the finish quality as well. In addition, the bulk process works best on parts that are cylindrical and don’t nest. Even though the parts are agitated during processing, parts that nest will shield surfaces and result in areas that are not polished. Lastly, the bulk process is best suited for 300 and 400 series stainless steel.

Our Process

Bulk electropolishing at Able Electropolishing meets the following industry specifications:

Please contact our sales department to discuss your application. We are always willing to process sample lots at no charge for evaluation. (For bulk electropolishing, please plan on sending a minimum of 250 pieces to sample).

Contact us to learn more about electropolishing in bulk

Learn About the Electropolishing Difference


Electropolishing Live: Virtual Lunch and Learn

Electropolishing Live:
Virtual Lunch and Learn

Join the experts at Able Electropolishing via Microsoft Teams to ramp up your knowledge of metal finishing processes and have lunch (or breakfast, if you prefer) on us.

Request a Lunch & Learn
Try Electropolishing for Free: Sample Request

Try Electropolishing for Free:
Sample Request

Send us your parts/prototypes and we’ll electropolish them for free – we’ll even pay for the shipping! Samples are processed in 24-48 hours.

Request a Sample

Medical Device Manufacturing

Medical Device Manufacturing

From implantable devices to surgical instruments, electropolishing is a single-process treatment that results in biocompatible, safe and ultra clean parts.

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Aerospace

Aerospace

We offer aerospace vendors and original equipment manufacturers our signature metal finishing services to increase fatigue-resistance for their metal parts, rendering them capable of withstanding the stress and corrosion that comes with long-term use.

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Pharmaceutical

Pharmaceutical

Our strict adherence to industry standards ensures that pharmaceutical components are electropolished in accordance with ASTM B912 and ASME BPE specifications. These products are clean and smooth, corrosion resistant and contaminant free.

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Automotive

Automotive

Corrosion resistance and microfinish improvement are essential for critical automotive parts, making electropolishing an increasingly beneficial option for automakers.

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Consumer Appliance

Consumer Appliance

Our metal finishing services help increase corrosion resistance for these parts, and by removing the outermost layer of metal withelectropolishing the durability and longevity of these appliance components is increased.

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Food & Beverage

Food & Beverage

Electropolishing materials for this industry eliminates the buildup of bacterial biofilms, as well as keeping the equipment free of contaminants like Salmonella. Electropolishing delivers the level of sanitation required by a number of regulatory agencies.

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Hydraulics & Pneumatics

Hydraulics & Pneumatics

From robotics to mobile equipment, the uses of electropolishing in the hydraulics and pneumatics industry are many. By helping prevent premature part failure, electropolishing reduces downtime and increases the life cycle of these components.

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Electronics

Electronics

Improving conductivity and performance is just one benefit electropolishing offers for electronics parts. The surface finish is improved by as much as 50%, removing imperfections from the material without material removal.

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Electropolishing Blog

Electropolishing Process with the Highest Standards of Quality Control

For every successful project at Able Electropolishing, there is a meticulous, high-quality process at work behind the scenes. Our clients rely on us for precise and consistent results, customized to the demanding needs of industries like medical device manufacturing, food and beverage production – and industries like yours.

Electropolishing for More Durable and Corrosion Resistant Metal Fasteners

Electropolishing provides an ultrasmooth, ultraclean surface, and improves corrosion resistance for metal fasteners.

Learn Which Metal Finishing Process Is Right for Your Critical Metal Parts

Read Able Electropolishing’s guide on passivation, pickling, and electropolishing to learn about the benefits and drawbacks of each for your metal parts. 

Take Able's Electropolishing 101 Quiz to Test Your Metal Finishing Knowledge

Put your electropolishing knowledge to the test with our new Electropolishing 101 quiz!

Across industries, electropolishing is the go-to metal finishing method for parts with no room for error. From aerospace to medical manufacturing, engineers rely on electropolishing to eliminate surface defects and create a hygienic, passive and ultra-smooth finish with improved fit, function and durability.