Boker's Washers & Stampings

Custom Stampings and Specialty Washers Made-to-Order meet the Demands of the Test & Measurement Industry.

Minneapolis, MN – June 3, 2020 – If there’s one characteristic that’s essential in the Test and Measurement Instrumentation Industry, it’s precision. By nature, these systems demand high precision and repeatability in the design and manufacturing process all the way down to their most basic assemblies and component parts. From robust inline inspection solutions, to bench top lab measurement and testing systems, as well as the emerging class of advanced handheld and wireless test devices, precision is mission-critical in instrument manufacturing – assuring accuracy, calibration integrity and repeatable performance over ever-growing service cycle requirements.

From the leading instrument brands to the next generation of device innovators, precision stampings, washers, spacers and shims from Boker’s, Inc. are the choice for many OEMs. With a long history as a provider of choice for industries that demand precision – fulfilling complex, low- to high-volume orders for the aerospace, defense, medical and electronics sectors among others – Boker’s has a deep history and understanding of the quality and tolerance requirements for all measures of precision.

Boker’s applications in this space are numerous. For example, manufacturing tight-tolerance, narrow-webbed washers for a leading instrument provider designed to hold fragile lenses in place on digital microscopes and advanced 3D surface profilers.  Another customer relies on custom, non-metallic washers that retain and help protect sensitive probes and delicate sensors from shock in handheld industrial instruments. Non-conductive materials are used in numerous applications, including to secure and help protect sensitive electronic components in integrated processors. 

For over 100 years, Boker’s has been a trusted supplier to design engineers and manufacturers that require repeatability, tight dimensional tolerances and the highest-quality finishing of their parts. Today, Boker’s continues to offer state-of-the-art precision production capabilities plus existing tooling for over 32,000 custom, non-standard sizes for flat washers, spacers and shims. This inventory allows us offer rapid order turnaround with no tooling charges for necessary component parts from the industry’s leading range of non-standard stock tool sizes. Custom washers are available in outside diameters ranging from .080” to 12”, thicknesses from .005” to .190” (varies by material), and tolerances to meet your needs in the widest range of materials, profiles and washer types including:

  • “C” (slotted) and “D” shapes with a number of options
  • Flanges, hex, star, square and off-center profiles
  • Internal and external tab and lock washers
  • Belleville, domed, cup, countersunk and finishing washers
  • Several retainer spring washer styles among many others

If your specific requirements aren’t met among our vast stock tooling offerings, our in-house tooling department can design and produce custom tooling to meet your needs efficiently and effectively. Boker’s advanced progressive tooling accomplishes multiple operations – including stamping, blanking, piercing and forming – in a single process, and our high-speed presses assure your short, medium and long-run orders are turned with industry-leading speed and accuracy.  

Boker’s also applies this same level of precision in the manufacture of custom, tight-tolerance stamped parts, such as mounting brackets, retention clips, supports and others. In demanding applications such as those found in test and measurement instrumentation, precise fit, function and robust retention are vital – especially where devices require higher levels of reliability ranging from compact, portable handheld instruments to rugged stationary plant floor applications. Boker’s custom stamping offering includes flat blanking and piercings in sizes up to 12” x 12”, with complex metal forming capabilities and draws up to 3” deep and 8” in diameter. 

Instruments, configurations and applications in test and measurement environments will often require different material demands, ranging from various metals and polymer formulations to more exotic materials with unique performance characteristics. Boker’s offers customers decades of experience and immediate access to an array of over 2,000 commonly used and hard-to-find material choices, including metallic or non-metallic options, metallic options include low-carbon sheet steel, numerous super alloys, stainless steel, aluminum, brass, beryllium copper, phosphor bronze and nickel silver. Non-metallic materials available include ABS, PTFE, nitrile, acetal, polyester, nylon, MD nylon, polycarbonate, fiber, polyethylene and NEMA-grade laminates, and many others. 

To meet the demanding finishing requirements and tolerances of the most demanding applications, Boker’s is equipped with extensive in-house secondary operations, including deburring, tapping, reaming, counterboring, and spotfacing, plus trusted approved suppliers for heat treating, plating and non-destructive testing (N.D.I.). Boker’s maintains a Quality Management System (QMS) which is AS 9100:2016 and ISO 9001:2015 certified and has Statistical Process Control (SPC) available, 3D-printed rapid prototyping to validate designs, to help OEMs quickly and efficiently solve their product engineering challenges.

With unmatched experience and expertise, leading size and material selection, high-capacity production and quick order turnaround, Boker’s delivers high-quality, custom solutions for the most complex requirements, fast and economically, in short, medium and long runs.

Use Boker’s easy on-line specification engine to find your tooling size, thickness and material requirements for millions of configurations. To quote your custom stamping project, complete Boker’s fast quote form and upload your CAD files or production prints.

When it comes to precision, tight tolerances and quality for the most advanced instrumentation parts and components, you’ll find the resources, experience and capabilities of Boker’s measures up to your highest expectations.

Company Info:
Boker’s, Inc.3104 Snelling Ave
Minneapolis, MN 55406

About Boker’s
Boker’s, Inc. maintains a Quality Management System that is AS 9100:2016 and ISO 9001:2015 certified and is a woman-owned manufacturer of precision stampings and non-standard washers and spacers. To request a complimentary copy of Boker’s 2020 Stampings & Washers Catalog, contact: Boker’s, Inc., 3104 Snelling Avenue, Minneapolis, MN 55406-1937; call 612-729-9365 or (TOLL-FREE) 800-927-4377 or visit