20 Best 3/8 Washers [2024]

Are you looking for the best 3/8 Washers? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 3/8 Washers.

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1 Bolt Dropper 3/8' Stainless Flat Finish Washer (100 Pack), 7/8' OD 18-8 (304) Stainless Steel,... Bolt Dropper 3/8" Stainless Flat Finish Washer (100 Pack), 7/8" OD 18-8 (304) Stainless Steel,...
2 Hillman 290033 Zinc Fender Washers, 3/8' x 1-1/4', 100 Pieces Hillman 290033 Zinc Fender Washers, 3/8" x 1-1/4", 100 Pieces
3 Hard-to-Find Fastener 014973321093 Grade 8 SAE Flat Washers, 3/8-Inch, 50-Piece, Yellow Hard-to-Find Fastener 014973321093 Grade 8 SAE Flat Washers, 3/8-Inch, 50-Piece, Yellow
4 Prime-Line 9080082 Flat Washers, USS, 3/8 In. X 1 In. OD, Hot Dip Galvanized Steel (50 Pack) Prime-Line 9080082 Flat Washers, USS, 3/8 In. X 1 In. OD, Hot Dip Galvanized Steel (50 Pack)
5 Prime-Line 9080006 Flat Washers, USS, 3/8 In. X 1 In. OD, Zinc Plated Steel (100 Pack) Prime-Line 9080006 Flat Washers, USS, 3/8 In. X 1 In. OD, Zinc Plated Steel (100 Pack)
6 Hard-to-Find Fastener 014973454838 454838 Fender Washer, 3/8 x 1, 30 Hard-to-Find Fastener 014973454838 454838 Fender Washer, 3/8 x 1, 30
7 LUPANTER 3/8' Inch Stainless Flat Washers 100 Pack Made of 18-8 (304) Stainless Steel… LUPANTER 3/8" Inch Stainless Flat Washers 100 Pack Made of 18-8 (304) Stainless Steel…
8 3/8' x 1-1/2' OD Stainless Fender Washer, (100 Pack) - Choose Size, by Bolt Dropper, 18-8 (304)... 3/8" x 1-1/2" OD Stainless Fender Washer, (100 Pack) - Choose Size, by Bolt Dropper, 18-8 (304)...
9 Small Parts 37WSAEBPK Steel Flat Washer, Black Oxide Finish, ASME B18.22.1, 3/8' Screw Size, 13/32'... Small Parts 37WSAEBPK Steel Flat Washer, Black Oxide Finish, ASME B18.22.1, 3/8" Screw Size,...
10 3/8' Stainless Flat Finish Washer, (50 Pack)- Choose Size, by Persberg, 18-8 (304) Stainless Steel... 3/8" Stainless Flat Finish Washer, (50 Pack)- Choose Size, by Persberg, 18-8 (304) Stainless...
11 Hillman 830506 Stainless Steel 3/8-Inch Flat Washers, 100-Pack, Single, 100 Count Hillman 830506 Stainless Steel 3/8-Inch Flat Washers, 100-Pack, Single, 100 Count
12 The Hillman Group 290036 Zinc Fender Washers, 3/8' x 1-1/2', Steel, 100 Pieces The Hillman Group 290036 Zinc Fender Washers, 3/8" x 1-1/2", Steel, 100 Pieces
13 SNUG Fasteners 100 Qty #8 Zinc Plated SAE Flat Washers (SNG413) SNUG Fasteners 100 Qty #8 Zinc Plated SAE Flat Washers (SNG413)
14 3/8' x 1' OD Stainless Fender Flat Washer 50 Pcs,1' Outside Diameter, 0.080' inch Thickness,18-8... 3/8" x 1" OD Stainless Fender Flat Washer 50 Pcs,1" Outside Diameter, 0.080" inch Thickness,18-8...
15 The Hillman Group 290039 Zinc Fender Washers, 3/8' x 2', 100 Pieces The Hillman Group 290039 Zinc Fender Washers, 3/8" x 2", 100 Pieces
16 18-8 Stainless Steel 3/8' Flat Washers (100 pcs) Black Oxidized in USA by Makers Bolt 18-8 Stainless Steel 3/8" Flat Washers (100 pcs) Black Oxidized in USA by Makers Bolt
17 Prime-Line 9081488 Fender Washers, 3/8 in. X 1-1/2 in. OD, Grade 18-8 Stainless Steel, 20-Pack Prime-Line 9081488 Fender Washers, 3/8 in. X 1-1/2 in. OD, Grade 18-8 Stainless Steel, 20-Pack
18 3/8” x 7/8” OD Stainless EPDM Washers, (50 pc) Neoprene Backed, Choose Size & Qty, by Bolt... 3/8” x 7/8” OD Stainless EPDM Washers, (50 pc) Neoprene Backed, Choose Size & Qty, by Bolt...
19 The Hillman Group 830670 Stainless Steel 3/8-Inch Split Lock Washer, (100 x 1 Pack) The Hillman Group 830670 Stainless Steel 3/8-Inch Split Lock Washer, (100 x 1 Pack)
20 The Hillman Group 59462 3/8-Inch - Nylon Flat Washer, 40-Pack The Hillman Group 59462 3/8-Inch - Nylon Flat Washer, 40-Pack
Bestseller No. 1
Bolt Dropper 3/8" Stainless Flat Finish Washer (100 Pack), 7/8" OD 18-8 (304) Stainless Steel,...
  • 【High Quality Stainless】 These 100 Piece Steel Flat finish Washer are 100% 18-8 (304) Stainless Steel which is one of the highest forms of...
  • 【Washers That You Can Depend On】 Our hardware is very strong and is great for both indoor and outdoor use. The stainless flat washer is superior...
  • 【Great To Keep Around】 Bolt Dropper hardware is great to have around for use with sheet metal and wet environments. Bolt Dropper hardware is the...
  • 【Dimensions】 Inside Diameter: .406" | Outside Outside Diameter: 0.875" | 0.050" Thickness | Quantity: 100 pcs | Material: 18-8 (304) Stainless...
  • 【Lifetime Guarantee】 Bolt Dropper is committed to produce premium quality hardware. We are so confident that our product is the best on the market...
Bestseller No. 2
Hillman 290033 Zinc Fender Washers, 3/8" x 1-1/4", 100 Pieces
  • Larger surface area than standard flat washers
  • Increased outer diameter to disperse pressure
  • Commonly used in sheet metal work, plumbing and electrical applications
  • Prevents a nut, bolt or screw from pulling through the material
  • Can also be used as a spacer
SaleBestseller No. 3
Hard-to-Find Fastener 014973321093 Grade 8 SAE Flat Washers, 3/8-Inch, 50-Piece, Yellow
  • Diameter 1: 13/32 inches
  • Diameter 2: 13/16 inches
  • Thickness: 1/16 inch
  • Material: steel
  • Finish: yellow zinc
SaleBestseller No. 4
Prime-Line 9080082 Flat Washers, USS, 3/8 In. X 1 In. OD, Hot Dip Galvanized Steel (50 Pack)
  • Size: 3/8 inch X 1 inch OD
  • Most commonly used and versatile washer
  • Increases bearing surface and distributes load over a larger area
  • Can be used to prevent a screw or bolt from going into a hole too far
  • Can also be used as spacers by stacking more than one
SaleBestseller No. 5
Prime-Line 9080006 Flat Washers, USS, 3/8 In. X 1 In. OD, Zinc Plated Steel (100 Pack)
  • Size: 3/8 inch X 1 inch OD
  • Most commonly used and versatile washer
  • Increases bearing surface and distributes load over a larger area
  • Can be used to prevent a screw or bolt from going into a hole too far
  • Can also be used as spacers by stacking more than one
Bestseller No. 6
Hard-to-Find Fastener 014973454838 454838 Fender Washer, 3/8 x 1, 30
  • Diameter 1: 3/8 inch
  • Diameter 2: 1 inch
  • Material: Steel
  • Finish: Zinc
  • Type: Fender Washer
Bestseller No. 7
LUPANTER 3/8" Inch Stainless Flat Washers 100 Pack Made of 18-8 (304) Stainless Steel…
  • 【Size】--inner diameter 0.401-0.421 inch, outside diameter 0.805-0.827 inch, thickness 0.051-0.080
  • 【Made of Stainless】 --- Completely and infinitely recyclable, stainless steel is the “green material” par excellence. good corrosion...
  • 【Widely Applications】 --- Also known as plain washers, their purpose is to distribute the fastener's load while reducing heat and friction during...
  • 【Reasonable Package】 --- Each type of the washer been packaged individually by small poly bag .You can easily take any type you want.
  • 【USA Standard】 ---The size and performance according to the American standard ANSI/ASME B18.22.1(SAE)., suitable for the SAE size screw and nuts.
Bestseller No. 8
3/8" x 1-1/2" OD Stainless Fender Washer, (100 Pack) - Choose Size, by Bolt Dropper, 18-8 (304)...
  • 【High Quality Stainless】These fender washers are 100% 18-8 (304) Stainless Steel which is one of the highest forms of corrosion resistant metals,...
  • 【Washers That You Can Depend On】Our hardware is very strong and is great for both indoor and outdoor use. The stainless steel is superior to...
  • 【Great To Keep Around】Bolt Dropper washers are great to have around for use in wood and wet environments. Bolt Dropper hardware is the highest...
  • 【Dimensions】Inside Diameter: 3/8" | Outside Diameter: 1-1/2" | Thickness: .050" | Quantity: 100 | Material: 18-8 (304) Stainless Steel.
  • 【Lifetime Guarantee】We are so confident that our product is the best on the market that we offer a NO HASSLE LIFETIME GUARANTEE.
SaleBestseller No. 9
Small Parts 37WSAEBPK Steel Flat Washer, Black Oxide Finish, ASME B18.22.1, 3/8" Screw Size, 13/32"...
  • Flat washer provides a bearing surface for fastener load distribution or acts as a spacer
  • Steel is often used in applications where strength is the primary consideration
  • Black oxide finish offers mild corrosion resistance and lubricity
  • Meets ASME B18.22.1 specifications
Bestseller No. 10
3/8" Stainless Flat Finish Washer, (50 Pack)- Choose Size, by Persberg, 18-8 (304) Stainless Steel...
  • HIGH QUALITY STAINLESS: These 50 Piece Flat Washers are 100% 18-8 (304) Stainless Steel which is one of the highest forms of corrosion resistant...
  • WASHERS THAT YOU CAN DEPEND ON: Our hardware is very strong and is great for both indoor and outdoor use. The stainless steel is superior to regular...
  • GREAT TO KEEP AROUND: Persberg hardware is great to have around for use in wood and wet environments. Persberg washers are the highest quality...
  • DIMENSIONS: Inside Diameter: 3/8 inch | Quantity: 50 pcs | Material: 18-8 (304) Stainless Steel.
  • LIFETIME GUARANTEE: Try our product Kit with NO risk and 100% money-back guarantee – NO questions asked!
Bestseller No. 11
Hillman 830506 Stainless Steel 3/8-Inch Flat Washers, 100-Pack, Single, 100 Count
  • Flat washers are ideal for increasing the load bearing surface under a fastener's head by distributing the load through the washer
  • These washers help to prevent bolts or nuts from pulling through a surface
  • Stainless Steel
  • Country of Origin: Taiwan, Province Of China
Bestseller No. 12
The Hillman Group 290036 Zinc Fender Washers, 3/8" x 1-1/2", Steel, 100 Pieces
  • Larger surface area than standard flat washers
  • Increased outer diameter to disperse pressure
  • Commonly used in sheet metal work, plumbing and electrical applications
  • Prevents a nut, bolt or screw from pulling through the material
  • Can also be used as a spacer
Bestseller No. 13
SNUG Fasteners 100 Qty #8 Zinc Plated SAE Flat Washers (SNG413)
  • Package of 100 premium washers
  • Inside Diameter 3/16"
  • Outside Diameter 7/16"
  • Thickness . 039"
  • Zinc plated for corrosion resistance
Bestseller No. 14
3/8" x 1" OD Stainless Fender Flat Washer 50 Pcs,1" Outside Diameter, 0.080" inch Thickness,18-8...
  • 【Flat Washer Size】➤50Pcs 3/8" x 1" Stainless Fender Flat Washers.Inside Diameter:3/8";Outside Diameter: 1";Thickness: 0.08".
  • 【High Quality Material】➤Flat fender washer is made of high quality 304 stainless steel,Stainless steel material features strength and offers...
  • 【Design Feature】➤The flat washer which is used to distribute the fastener's load while reducing heat and friction during the tightening...
  • 【Widely Application】➤Stainless flat washers are commonly used in automotive,mounting fixtures,sheet metal work, plumbing and electrical...
  • 【100% Satisfaction Guarantee】➤Our team of professionals is constantly working to make you happier: A full refund if you are not satisfied with...
Bestseller No. 15
The Hillman Group 290039 Zinc Fender Washers, 3/8" x 2", 100 Pieces
  • Larger surface area than standard flat washers
  • Increased outer diameter to disperse pressure
  • Commonly used in sheet metal work, plumbing and electrical applications
  • Prevents a nut, bolt or screw from pulling through the material
  • Can also be used as a spacer
Bestseller No. 16
18-8 Stainless Steel 3/8" Flat Washers (100 pcs) Black Oxidized in USA by Makers Bolt
  • CERTIFIED STAINLESS STEEL: Made from 18-8 (304) premium stainless steel, our fasteners are tested and certified to ensure the washers you receive are...
  • BLACK OXIDE: These stainless washers are proudly black oxidized in the USA to military specifications, giving the washers a sleek look and added...
  • PROJECT CENTER: These metal washers are great for exterior household and industrial applications such as washers for screws or washers for bolts...
  • SIZING: Fits 3/8" fasteners | Inside Diameter: 13/32" | Outside Diameter: 7/8" |Thickness: 0.05" | Quantity: 100 Pieces per package
  • SHOP WITH CONFIDENCE: Makers Bolt proudly finishes and packages these fasteners in the USA ensuring quality and conformance to specifications.
Bestseller No. 17
Prime-Line 9081488 Fender Washers, 3/8 in. X 1-1/2 in. OD, Grade 18-8 Stainless Steel, 20-Pack
  • Size: 3/8 inch X 1-1/2 inch OD
  • Features larger surface area compared to standard washers
  • Spreads the load over a larger bearing surface
  • Used for sheet metal work and auto body repair
  • Because of the larger outside diameter, can be used to cover damage or if hole is slightly too large
SaleBestseller No. 18
3/8” x 7/8” OD Stainless EPDM Washers, (50 pc) Neoprene Backed, Choose Size & Qty, by Bolt...
  • 【High Quality Weather Resistant Epdm】Resists damaging ultraviolet radiation from the sun as well as outdoor temperature extremes. The EPDM washers...
  • 【Leak Proof Seal & Vibration Dampening】When compressed against a material, the washer prevents water, air or anything else from coming in or out....
  • 【Great To Keep Around】Bolt Dropper washers are great to have around for use in wet environments. Bolt Dropper hardware is the highest quality...
  • 【Dimensions】Inside Diameter: 3/8” | Outside Diameter: 7/8” | Quantity: 50 pcs | Material: Rubber.
  • 【Lifetime Guarantee】We are so confident that our product is the best on the market that we offer a No Hassle Lifetime Guarantee.
Bestseller No. 19
The Hillman Group 830670 Stainless Steel 3/8-Inch Split Lock Washer, (100 x 1 Pack)
  • Size: 3/8 inch Split Lock Washer; Finish: Stainless Steel
  • The split lock washer provides a more uniform load distribution
  • These fasteners resist loosening caused by vibration and corrosion
  • Used in applications with like nuts and bolts of similar diameter as well as screw products
Bestseller No. 20
The Hillman Group 59462 3/8-Inch - Nylon Flat Washer, 40-Pack
  • Flat washers are ideal for increasing the load bearing surface under a fastener's head by distributing the load through the washer
  • These washers help to prevent bolts or nuts from pulling through a surface
  • Made of Nylon
  • Country of Origin: United States

Having trouble finding a great 3/8 Washers?

This problem is well understood by us because we have gone through the entire 3/8 Washers research process ourselves, which is why we have put together a comprehensive list of the best 3/8 Washerss available in the market today.

After hours of searching and using all the models on the market, we have found the best 3/8 Washers for 2023. See our ranking below!

How Do You Buy The Best 3/8 Washers?

Do you get stressed out thinking about shopping for a great 3/8 Washers? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 3/8 Washers, which is why we have assembled a comprehensive list of the greatest 3/8 Washers available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 3/8 Washers that you consider buying. Your questions might include the following:

  • Is it worth buying an 3/8 Washers?
  • What benefits are there with buying an 3/8 Washers?
  • What factors deserve consideration when shopping for an effective 3/8 Washers?
  • Why is it crucial to invest in any 3/8 Washers, much less the best one?
  • Which 3/8 Washers are good in the current market?
  • Where can you find information like this about 3/8 Washers?

We’re convinced that you likely have far more questions than just these regarding 3/8 Washers, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 3/8 Washers, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 3/8 Washers. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 3/8 Washers buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 3/8 Washers currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 3/8 Washers has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 3/8 Washers?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 3/8 Washers.
  5. Customer Ratings: Number ratings grade 3/8 Washers objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 3/8 Washers.
  7. Product Quality: You don’t always get what you pay for with an 3/8 Washers, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 3/8 Washers is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 3/8 Washers information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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