Stamping & Washer Specialists Since 1919

Standard Flat WashersStandard Washers

Standard Flat Washers
Boker’s provides standard flat washers by stocking washer tools/dies that meet ANSI, SAE and USS standard washer specifications.  Boker’s also stocks additional washer tools with inside diameters set to fit a variety of standard bolt/screw sizes, from your smallest machine screw to a 3 inch bolt.

Standard Washers Available in Over 2,000 Materials
At Boker’s you can specify the specific material you need for all your standard washer requirements.  Boker's maintains immediate access to 2,000 commonly specified and hard-to-find materials to expedite and shorten delivery times for your standard washers.  Secondary operations such as deburring, heat treating, and plating are also provided upon request.

Standard Washers Ship in 5 Days or Less.
With immediate access to standard washer tools and 2,000 materials Boker’s is able to ship most standard washer orders within 5 days or less. Orders require a minimum production run of 100 pieces, though deliveries of lesser quantities can be arranged. Per-unit costs rapidly decrease as the quantity increases.

Standard ANSI Flat Washers
The American National Standards Institute (ANSI) provides standards for general use flat washers.  Type A is a series of steel washers with broad tolerances, where precision is NOT critical.  Type B is a series of flat washers with tighter tolerances where outside diameters are categorized as Narrow, Regular or Wide for specific bolt sizes. Boker's also provides ANSI B18.22M-1981 metric plain washers.  To request a quote for a standard ANSI washer fill out our fast quote form.

Standard SAE Flat Washers
The Society of Automotive Engineers (SAE) standard washers.  These washers are often characterized by being produced from a thinner material and having slightly smaller inside diameters and outside diameters than standard USS Washers. To request a quote for a standard SAE washer fill out our fast quote form.

Standard USS Flat Washers
The United States Standards (USS) is a standard for inch based washers.  USS washers are often characterized as having slightly larger inside diameters and outside diameters to accommodate coarse or larger bolt threads. To request a quote for a standard USS washer fill out our fast quote form.

Standard Wrought Washers
Wrought washers are strong heavy-duty washers often used in automotive, industrial or structural applications. To request a quote for a standard wrought washer fill out our fast quote form.

Standard Machine Screw Washers
These washers are designed for use with machine screws in general industrial applications.  Machine screws are the smallest type of flat washer with an outside diameter slightly twice the size of the inside diameter.  Machine screw washers are most often stamped from cold-rolled steel. To request a quote for a standard machine screw washer fill out our fast quote form.

Fender Washers
A fender washer has significantly more surface area than a USS or SAE washer.  Fender washers are also made from thinner gauge steel than most flat washers as well.  Used where an extra wide bearing surface is required.  Boker’s has numerous tools available for manufacturing Fender washers. To request a quote for a standard fender washer fill out our fast quote form.

Flat Washers for Common Bolt and Screw Sizes
Boker’s has amassed multiple washer tools that can accommodate a wide variety of standard bolt sizes. These additional tools can be searched by using the “Search Washers” widget in the upper right corner of this web site.

To request a quote for a specific flat washer please fill out our fast quote form.

Non-standard washers manufactured by Boker’s, Inc.
Custom washers
manufactured by Boker’s, Inc.

Types of Custom Washers Manufactured by Boker's.

The following illustrations provide a snap shot of various flat washer types commonly produced at Boker's. There are literally an infinite number of custom washer types that Boker's can produce, and this list only scratches the surface. You can send your custom metal stamping illustrations/specifications to Boker's for a specific washer type by using our fast quote form.

Standard Flat Washers

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SAE
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Standard Wrought

Specialty Flat Washers

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"C" Shape
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"D" Shape
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"D" Shape - 2
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Disc
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Fender
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Flange
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Flange - 2
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Flattened Shaft
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Hexagonal Hole
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Off-Center Hole
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Rectangular
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Retaining
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Square Hole
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Square
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Star Disc
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Star
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Wide Sidewall

Finishing Washers

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Finishing
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Finishing - 2

Lock/Tab Washers

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Internal Tab
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Internal / External Tab
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Multiple Internal / External Tab
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Tab Lockwasher
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Tab Lockwasher - 2

Beveled Washers

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Beveled Cup
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Beveled O.D.
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Cup or Retainer
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Serrated Tooth Cup
 

Countersunk Washers

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Countersunk
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Countersunk - 2

Spring Washers

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Belleville Spring
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Cylindrically Curved Spring
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Spherical Spring
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Wave Spring
 

Miscellaneous Type Washers

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Dimpled
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Electrical Contact
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Spring Retainer

*Washer illustrations provided courtesy of the Precision Metalforming Association.

Return to Custom Flat Washers.

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TOLERANCE
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Most orders ship
in 1 to 2 weeks

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Owner Operated Since 1919

 
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Boker's Inc.
3104 Snelling Ave.
Minneapolis, MN 55406
Toll Free Phone (800) 927-4377
Toll Free Fax (800) 321-3462
Local Phone (612) 729-9365
Local Fax (612) 729-8910
Email Boker's Inc.