Flat Washers - USS - Low Carbon Steel / Plain
Bare / Uncoated - STANDARD SIZES - For various functions when assembled between the bearing surface of a fastener and the part being attached
Flat Washers - USS - Low Carbon Steel / Plain
Bare / Uncoated - STANDARD SIZES - For various functions when assembled between the bearing surface of a fastener and the part being attached 
Product #: PWB004USS
Shipping calculation is unavailable at this time. Please call 403-342-6030 for a quote.
Options: For Bolt Dia.: 1/4"
Info: 5/16" I.D. || 3/4" O.D.
$8.40 /EA
Login for contractor price
Regular: $8.40 /
PWB004USS 1/4" 5/16" I.D. || 3/4" O.D. , InStock
$8.40 /100PC
PWB006USS 3/8" 7/16" I.D. || 1" O.D. , InStock
$4.90 /100PC
PWB008USS 1/2" 9/16" I.D. || 1-3/8" O.D. , InStock
$63.00 /100PC
PWB010USS 5/8" 11/16" I.D. || 1-3/4" O.D. , InStock
$57.99 /100PC
PWB012USS 3/4" 13/16" I.D. || 2" O.D. , InStock
$34.16 /100PC
For Bolt Dia.
Info
Qty Info
PROD #
Price
1/4"
5/16" I.D. || 3/4" O.D.
Sold per 25
Min Buy of 100
PWB004USS
$8.40 /100PC
3/8"
7/16" I.D. || 1" O.D.
Sold per 25
Min Buy of 100
PWB006USS
$4.90 /100PC
1/2"
9/16" I.D. || 1-3/8" O.D.
Sold per 25
Min Buy of 50
PWB008USS
$63.00 /100PC
5/8"
11/16" I.D. || 1-3/4" O.D.
Sold per 25
Min Buy of 25
PWB010USS
$57.99 /100PC
3/4"
13/16" I.D. || 2" O.D.
Sold per 25
Min Buy of 25
PWB012USS
$34.16 /100PC
Available Online: 148
Pre Order Item
Estimated Availability Date:
Estimated Availability Date:
Availability in Store:
This item is sold in multiple of 25.
Minimal order quantity for this item is 25.
Please Call for Special Orders : 403-342-6030
QTY: 
BUY DIRECT
PWB004USS 1/4" 5/16" I.D. || 3/4" O.D.
$8.40 /100PC
PWB006USS 3/8" 7/16" I.D. || 1" O.D.
$4.90 /100PC
PWB008USS 1/2" 9/16" I.D. || 1-3/8" O.D.
$63.00 /100PC
PWB010USS 5/8" 11/16" I.D. || 1-3/4" O.D.
$57.99 /100PC
PWB012USS 3/4" 13/16" I.D. || 2" O.D.
$34.16 /100PC
PWB005USS 5/16" 3/8" I.D. || 7/8" O.D.
Please Call for Special Orders : 403-342-6030
PWB007USS 7/16" 1/2" I.D. || 1-1/4" O.D.
Please Call for Special Orders : 403-342-6030
PWB009USS 9/16" 5/8" I.D. || 1-1/2" O.D.
Please Call for Special Orders : 403-342-6030
FWB014USS 7/8" 15/16" I.D. || 2-1/4" O.D.
Please Call for Special Orders : 403-342-6030
PWB016USS 1" 1-1/16" I.D. || 2-1/2" O.D.
Please Call for Special Orders : 403-342-6030
FWB018USS 1-1/8" 1-1/4" I.D. || 2-3/4" O.D.
Please Call for Special Orders : 403-342-6030
FWB022USS 1-3/8" 1-1/2" I.D. || 3-1/4" O.D.
Please Call for Special Orders : 403-342-6030
FWB024USS 1-1/2" 1-5/8" I.D. || 3-1/2" O.D.
Please Call for Special Orders : 403-342-6030
PWB028USS 1-3/4" 1-7/8" I.D. || 4" O.D.
Please Call for Special Orders : 403-342-6030
PWB032USS 2" 2-1/8" I.D. || 4-1/2" O.D.
Please Call for Special Orders : 403-342-6030
PWB040USS 2-1/2" 2-5/8" I.D. || 5" O.D.
Please Call for Special Orders : 403-342-6030
For Bolt Dia.
Info
Qty Info
PROD #
Price
1/4"
5/16" I.D. || 3/4" O.D.
Sold per 25
Min Buy of 100
PWB004USS
$8.40 /100PC
3/8"
7/16" I.D. || 1" O.D.
Sold per 25
Min Buy of 100
PWB006USS
$4.90 /100PC
1/2"
9/16" I.D. || 1-3/8" O.D.
Sold per 25
Min Buy of 50
PWB008USS
$63.00 /100PC
5/8"
11/16" I.D. || 1-3/4" O.D.
Sold per 25
Min Buy of 25
PWB010USS
$57.99 /100PC
3/4"
13/16" I.D. || 2" O.D.
Sold per 25
Min Buy of 25
PWB012USS
$34.16 /100PC
Product Description
Steel Flat Washers - USS
√Bare/Plain Metal
STANDARD SIZES
Hardened and Tempered
LOW CARBON STEEL
- For various functions when assembled between the bearing surface of a fastener and the part being attached
- USS washers have a larger outer diameter than SAE washers
- Developed to meet the requirements of industrial applications in all fields of manufacturing, maintenance, and repair
THICKNESS RANGE
- 3/16": 0.036 to 0.065 inch
- 1/4": 0.051 to 0.808 inch
- From 5/16" to 7/16": 0.064 to 0.104 inch
- From 1/2" to 9/16": 0.086 to 0.132 inch
- 5/8": 0.108 to 0.160 inch
- 3/4": 0.122 to 0.177 inch
- From 7/8" to 1-1/4": 0.136 to 0.192 inch
- From 1-3/8" to 2-1/2": 0.153 to 0.213 inch
- Flat Washers: Washers built to distribute the load and reduce friction and heat when being tightened between a nut, bolt, or screw.
Product Specifications
| Vendor Part #: | PWB003USS |
| Material: | Low Carbon Steel |
| Plating: | Bare / Plain |
- √Preventing Fasteners from Loosening
- √Distributing Load
- √Barrier Between Materials
- Product | Explore Nut, Bolt & Washer Specifications Browse Fastener Standards, Materials Specification and Thread Designations to find the product you need
https://www.rdfasteners.com/6993-Explore-Nut-Bolt-Wa... - Article | IP Ratings Learn more about what an IP rating is and how this rating system is used.
https://www.rdfasteners.com/cs_wiki/wiki/47-ingress-... - Product | Hand Tools See our selection of hand tools that will help you get the job done right!
https://www.rdfasteners.com/3168-Hand-Tools
A few things you may need
