Square ID

Square ID Washers

We carry a full selection of square ID washers. These washers are manufactured with a square inner diameter. As you can see from our catalog, our square ID washers are available in a comprehensive range of sizes and thicknesses. You can easily add them to your RFQ and submit your quote request with just a few clicks. If you don’t see the square ID washers you need on our website, contact us directly with your specs. We can efficiently produce custom square ID washers based on your individual requirements if we don’t have the products you need in stock.

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Tolerance:
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Tolerance:
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Tolerance:
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Sku
Item #
Size
ID
OD
Thickness
Square Outside Dia
Square Inside Dia
Min-Qty
-
N/A
.006
.572
-
N/A
.006
.758
.197
.031
.070
.245
.005
.157
.245
.010
.157
.245
.020
.157
.280
.030
.160
.312
.030
.132
.375
.031
.187
.497
.025
.167
.500
.048
.226
.500
.062
.203
.561
.031
.253
.625
.020
.285
.680
.060
.320
.700
.060
.405
.880
.031
.221
.937
.060
.517
1.000
.060
.555
1.125
.060
.617
1.250
.060
.700
-
.095
.040
.250
-
.098
.060
.500
# 4
.129
.060
.500
# 8
.177
.036
.437

Sourcing Square ID Flat Washers

Washers with a round ID and OD are among the most common flat washers you’ll find for sale, but sometimes applications call for flat washers with a square inner diameter, also known as square ID flat washers. The square ID of these flat washers means they fit with square-necked fasteners while serving as a spacing and load distributing device. When you source square ID flat washers directly from the manufacturer like Superior Washer & Gasket Corp, they can be stamped from all matter of materials, in all types of sizes, and according to your custom specs. We can also readily provide slotted square flat washersoval ID flat washers, and other specialty spacers like tag flat washers, without delay.  

Why Choose Superior Washer & Gasket Corp.

For decades, OEMs, fastener distributors, and professionals across all industries, have known Superior Washer & Gasket Corp. is the best choice for square ID washers, as well as any other type of washers or shims. In addition to supplying spacing components that meet with the utmost quality standards, we also make it our mission to provide all of our customers with an exceptional service experience. We know that you rely on our products to do your job, so we put in the effort it takes to get you precisely what you need, and quickly. Our dedicated staff can answer all of your questions and address all of your concerns. 

Our Services & Capabilities

It takes a lot of capabilities and services to maintain an inventory of over a billion washers and 370,000 special size parts, all manufactured to the strictest performance standards. Every item we ship meets with consistent production criteria, which we maintain as an ISO-9001 certified company. Our two U.S.-based manufacturing facilities house more than 20,000 square feet of raw material in virtually every gauge. Our skilled machinists use this supply to stamp washers and shims using more than 100 power presses. If we don’t yet have the die needed to create the custom products you require, we'll manufacture it using our in-house die shop.