Name: USS Flat Washer 3/8"
Brand: Old West Iron
SKU: USS-3-8
Price: 1.00 USD
Availability: InStock
Rating: 4.875 (8 reviews)

3/8" Flat Washer

3/8" USS Washers also called Sellers Standard thread, Franklin Institute thread and American Standard thread washers are a basic standard washer for inch based threaded fasteners.

Dimensions
Finish Description

- OD: 1"
- ID: .438"
- Height: .104"
- Washer Pattern: USS Flat Washer
- Raw: Metal is left untreated. Recommended for those wanting to add their own finish.
- Black: The part is painted flat black. We recommend this option for parts that have no texturing done to them and for outdoor use.
- Oil Rubbed Bronze: A wax containing bronze is rubbed on the piece, leaving a bronze color to the high points of the metal where the lows will be black. Recommended for hammered or distressed textured items.
- Pewter: A wax containing pewter is rubbed on the part, leaving the silver-ish pewter color on the highs points of the metal and the lows will be black. Recommended for hammered of distressed textured items.
- Aged Bronze: A wax containing bronze is applied to the piece and then wiped away. This finish leaves the high points of the metal black and the low points a goldish-bronze color. Recommended for hammered or distressed items.
- Aged Pewter: A wax containing pewter is applied to the piece and then wiped away. This finish leaves the high point of the metal black and the low points a silver-ish pewter color. Recommended for hammered or distressed items.
- Rusty Metal Patina: This finish leaves the reddish, orange color of the rust on the low points of the piece. It looks best when selected with a hammered or distressed texture
- Gunmetal: This is an acid finish leaving hints of blues and browns coming through the part. The coloring soaks into the metal making it more scratch resistant (Good for high use items).Not recommended for outdoor use
- Wrought Iron Patina: This is an acid was finish, the blackish coloring will soak into the metal making it more scratch resistant (Good for high usu items). Not recommended for outdoor use

Customer Reviews

4.9 Based on 9 Reviews

5 ★

89%

4 ★

11%

3 ★

2 ★

1 ★

Customer Photos

USS Flat Washer 3/8" - Customer Photo From ALISON GRIFFIN

USS Flat Washer 3/8" - Customer Photo From Daniel Turner

USS Flat Washer 3/8" - Customer Photo From Thomas H.

USS Flat Washer 3/8" - Customer Photo From Bruce Sirus

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Reviews
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03/30/2025

James G.

United States

Awesome service!

Product is perfect. People are better. What else do you need?

03/31/2025

Old West Iron

Thank you for your kind words!

02/15/2024

ALISON G.

United States

A perfect addition to my 1840's home structure

Your products have helped us structurally secure our exposed post and beam structure with grace and ease. Your customer service person got out these essential parts to us in an expedited manner to help us stay within our construction schedule. The parts were carefully packaged to maintain the finish. Thank you!

02/16/2024

Old West Iron

Thank you so much we really appreciate it.

01/20/2023

Robert S.

United States

Shumake Architecture

Excellent products and service. Shipped and arrived promptly and the hardware looks great. Thank you Old West Iron, will be ordering again. Bob

01/23/2023

Old West Iron

We are so glad you were satisfied with your service and product.

05/27/2022

Daniel T.

Canada

Great hardware for retro furniture

I used the old style square head nuts and bolts in a retro look Lineberry cart coffee table, The right hardware is the finishing touch

05/28/2022

Old West Iron

That looks good, and thank you! We're always happy to help you with your needs.

02/28/2022

Fred L.

United States

Items arrived exactly as described

Needed wrought iron bolts for a wrought iron tree guard. These bolts were perfect for the job.

03/14/2022

Old West Iron

We're happy you are satisfied! looking forward to working with you again!

01/22/2022

Greg B.

United States

Hardware for Rustic Bunk Beds

Bought black lag screws and washers for bunk beds for our country lodge and could not be happier! Ordering another batch for a second bunk bed today.

01/25/2022

Old West Iron

Thank you so much! Glad to be working with you again!

06/24/2021

Buddy B.

United States

Exactly what we needed

Restoring antique plows. Theses bolts worked great.

06/24/2021

Old West Iron

We are happy to help! Thank you for the kind review.

03/12/2021

Thomas H.

United States

Exactly What I Needed

Very cool, glad I found your website! Perfect hardware to keep the antique look of my refurbished post drill.

05/12/2021

Old West Iron

What an amazing piece! Thank you for sharing!

02/06/2021

Bruce S.

United States

PERFECT

items were perfect to match existing rusty hardware on 100 year old wine press restoration

05/11/2021

Old West Iron

Looks amazing and fits in perfectly! What a beautiful piece!

USS Flat Washer 3/8"

Awesome service!

Old West Iron

A perfect addition to my 1840's home structure

Old West Iron

Shumake Architecture

Old West Iron

Great hardware for retro furniture

Old West Iron

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