Best M5 Parts Washers in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for M5 Parts Washers

Small Parts Steel Flat Washer, Zinc Yellow Chromate Plated Finish, Grade 8, ASME B18.22.1, 1/2" Screw Size, 17/32" ID, 1-1/16" OD, 0.135" Thick (Pack of 50)
#TOP1
Small Parts Steel Flat Washer, Zinc Yellow Chromate
9.8
PM SCORE
Small Parts Steel Flat Washer, Zinc Plated Finish, ASME B18.22.1, No. 10 Screw Size, 1/4" ID, 9/16" OD, 0.049" Thick (Pack of 100)
#TOP2
Small Parts Steel Flat Washer, Zinc Plated Finish,
9.8
PM SCORE
Steel Flat Washer, Zinc Plated Finish, ASME B18.22.1, 5/16" Screw Size, 11/32" ID, 11/16" OD, 0.065" Thick (Pack of 100)
#TOP3
Steel Flat Washer, Zinc Plated Finish, Asme B18.22.1,
9.7
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best M5 Parts Washers of 2026

Market Overview
M5 Parts Washers Reviewed
  • Reviews Analyzed: 3169 Items
  • PM Avg. Rating: 7.1 / 10
23 Products Evaluated
  • Highest Price: $15.99
  • Lowest Price: $3.32
  • Avg. Price: $8.27

Small Parts Steel Flat Washer, Zinc Yellow Chromate Plated Finish, Grade 8, Asme B18.22.1, 1/2" Screw Size, 17/32" Id, 1-1/16" Od, 0.135" Thick (Pack Of 50)

SMALL PARTS
B009OKFRKU
0.86 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Flat washer provides a bearing surface for fastener load distribution or acts as a spacer

Grade 8 steel is stronger than grade 5 steel and often used in applications where strength is the primary concern

Zinc yellow-chromate plating offers good corrosion resistance

Meets ASME B18.22.1 specifications

Small Parts Steel Flat Washer, Zinc Plated Finish, Asme B18.22.1, No. 10 Screw Size, 1/4" Id, 9/16" Od, 0.049" Thick (Pack Of 100)

SMALL PARTS
B009OJ78MQ
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Zinc plating resists corrosion and has a reflective appearance

Meets ASME B18.22.1 specifications

Steel Flat Washer, Zinc Plated Finish, Asme B18.22.1, 5/16" Screw Size, 11/32" Id, 11/16" Od, 0.065" Thick (Pack Of 100)

SMALL PARTS
B009OJGL60
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Zinc plating resists corrosion and has a reflective appearance

Meets ASME B18.22.1 specifications

Steel Flat Washer, Black Oxide Finish, Asme B18.22.1, 3/8" Screw Size, 13/32" Id, 13/16" Od, 0.065" Thick (Pack Of 100)

SMALL PARTS
B009OJHWL8
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Small Parts 08Wsaepk Steel Flat Washer, Zinc Plated Finish, Asme B18.22.1, No. 8 Screw Size, 3/16" Id, 7/16" Od, 0.049" Thick (Pack Of 100)

SMALL PARTS
B009OJG5RK
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Zinc plating resists corrosion and has a reflective appearance

Meets ASME B18.22.1 specifications

Small Parts 04Wsae188 18-8 Stainless Steel Flat Washer, Plain Finish, Meets Ansi B18.22.1, #4 Hole Size, 1/8" Id, 5/16" Od, 0.032" Nominal Thickness (Pack Of 100)

SMALL PARTS
B009OJDBZY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Flat washer provides a bearing surface for fastener load distribution or acts as a spacer

18-8 stainless steel provides good corrosion resistance and strength

Plain surface has no finish

Meets ANSI B18.22.1 specifications

Small Parts Steel Flat Washer, Plain Finish, Asme B18.22.1, 1/4" Screw Size, 9/32" Id, 5/8" Od, 0.065" Thick (Pack Of 100)

SMALL PARTS
B009OJIH7G
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Plain surface has no finish

Meets ASME B18.22.1 specifications

Small Parts Nylon 6/6 Flat Washer, Plain Finish, Black, 1/4" Hole Size, 0.26" Id, 0.69" Od, 0.06" Nominal Thickness (Pack Of 100)

SMALL PARTS
B009OLNI00
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Flat washer provides a bearing surface for fastener load distribution or acts as a spacer

Nylon 6/6 provides resistance to abrasion, corrosion, and many chemicals, is nonconductive, and is a strong yet lightweight plastic

#TOP9
Best Washers

Small Parts 7528Wf188 18-8 Stainless Steel Flat Washer, Plain Finish, 3/4" Hole Size, 13/16" Id, 1-3/4" Od, 0.105" Nominal Thickness (Pack Of 25)

SMALL PARTS
B009OJMSKS
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Flat washer provides a bearing surface for fastener load distribution or acts as a spacer

18-8 stainless steel provides good corrosion resistance and strength

Plain surface has no finish

Country of origin: China

Small Parts 08Wsaebpk Steel Flat Washer, Black Oxide Finish, Asme B18.22.1, No. 8 Screw Size, 3/16" Id, 7/16" Od, 0.049" Thick (Pack Of 100)

SMALL PARTS
B009OJHOB6
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

#TOP11
Best For Zinc

Steel Flat Washer, Zinc Plated Finish, Asme B18.22.1, 1/4" Screw Size, 9/32" Id, 5/8" Od, 0.065" Thick (Pack Of 100)

SMALL PARTS
B009OJGHWI
0.46 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Zinc plating resists corrosion and has a reflective appearance

Meets ASME B18.22.1 specifications

#TOP12
Best For Zinc

Small Parts M6D125A Steel Flat Washer, Zinc Plated Finish, Din 125, Metric, M6 Screw Size, 6.4 Mm Id, 12 Mm Od, 1.6 Mm Thick (Pack Of 100)

SMALL PARTS
B009OK4VLQ
0.26 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Zinc plating resists corrosion and has a reflective appearance

Meets DIN 125 specifications

Moore Parts Aluminum Wheel Washer, Flat Surface To 60 Degree Lug Taper, 5 Pack

MOORE PARTS
AC621120
0.11 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MOORE PARTS SOURCE 9.69

Features

These Aluminum Washers Make It Possible To Install 60 Degree Tapered Lug Nuts Against Aluminum Rims With Flat Surface Face

These Are A Must If Switching From Steel Wheels To Aluminum

Material: Aluminum

Sold As Pack Of 5

150Pcs Metal Bonded Seal Washer Assortment Kit Bonded Washer 8 Sizes M6, M8, M10, M12, M14, M16, M18, M20

FASTTEND
SW-150
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FSATNDE 7.21

Features

Quality material: Made of metal and rubber, good sealing. high pressure resistant, oil resistant, sturdy and durable for long using life

Unique design: Bonded seal consists of a metal ring and a rubber gasket. The metal washer ensures that the components to be connected are reliably and securely held, rubber ring generally uses oil resistant NBR or fluorine rubber.

The assortments contain the following sizes: M6---20pcs,M8---20pcs,M10---20pcs, M12---20pcs, M14---20pcs, M16---20pcs, M18---15pcs, M20---15pcs

All the small parts are packed in a transparent plastic box with compartments, which is convenient to carry, store or reuse as a backup kit.

Application: Perfect used for mechanical device, to prevent oil, fuel and water leakage. For sealing at high and low pressures

58 Pcs Faucet Washers And Brass Bibb Screws Assortment, Flat And Beveled Washers Kit Plumbing Rubber Replacement For Bathroom Kitchen Sink Washer Replacements

BOXOB
B03414
3.94 X 3.94 X 3.94 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
yyreach 9.84

Features

?【Faucet Washers】Good rubber seal, designed to fix leaky faucets, suitable for most kitchen faucets, can help solve bathroom sink leakage. No more worries about worn washers and constant faucet leaking!

?【Easy to Use】Just match washer size and shape and you're ready to go. 52 multi-size flat washers and beveled washers with 6 brass screws for better results. Enough to meet your different daily requirements.

?【Sufficient Amount】Includes 10 different styles of commonly used washers, with washer sizes clearly marked for easy identification and use.

?【Long Lifespan】Made of high quality rubber material for durability and to withstand long term daily use. Equipped with premium brass screws. The black finish is classic and no worry about long-term use.

?【Perfect Repair Kit】A total of 58 pieces is enough for your replacement needs or as spare parts. A great addition to your home, saving you money on expensive faucet repairs.

Small Parts Steel Flat Washer, Zinc Plated Finish, Din 125, Metric, M20 Screw Size, 21 Mm Id, 37 Mm Od, 3 Mm Thick (Pack Of 25)

SMALL PARTS
B009OK5ACA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Zinc plating resists corrosion and has a reflective appearance

Meets DIN 125 specifications

#TOP17

Swpeet 60Pcs 3 Sizes Rubber Silicone Flat And Convex Water Hose Washer Seal O Ring Gaskets With Stainless Steel Screen Filter Assortment Kit, Perfect For Connection 3/4" 5/8" 1/2" Garden Hose Fittings

SWPEET
S1832
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Swpeet 9.86

Features

💯 What You Get ------- In this kit, You will get 60Pcs 2 Sizes Black and Translucent Water Hose Washer with Screen Filter Assortment Kit, Including Black Rubber Screen Filter Gasket 19x12x3mm: 10Pcs; Translucent Silicone Screen Filter Gasket 19x12x3mm: 10Pcs; Black Convex 19x12x3mm Screen Filter Gasket: 10Pcs. Black Rubber Screen Filter Gasket 24x16x3mm: 10Pcs; Translucent Silicone Screen Filter Gasket 24x16x3mm: 10Pcs; Black Convex 24x16x3mm Screen Filter Gasket: 10Pcs

💯 High Quality Material ------- Black Flat Rubber gasket and White Flat Silicone gasket have High Quality Material, The combination kit is composed of gaskets made of rubber and silicone: silicone, non-toxic, odorless, healthy and environmentally friendly, good elasticity, strong sealing; rubber - high temperature resistance, corrosion resistance, wear resistance, good physical properties.

💯 Wide Applications --------- Suitable for shower heads, faucets, garden hoses, filtering sand and debris to reduce the possibility of nozzle clogging, The gasket of the stainless steel filter screen, as a flow restrictor, can effectively reduce the waste of water.

💯 Keeps Your Water Running ---------- The gasket of the stainless steel filter screen, as a flow restrictor, can effectively reduce the waste of water, With good sealing performance, it can prevent leakage between the water pipe and the faucet, and it is a good helper for daily use. Great number of styles to choose from. Different sizes and shapes that are needed.

💯 A Kit Must have! -------- It is vital to have Screen Filter Gasket on hand. It doesn't make since financially to keep running to the store for a O Ring here and there. You Will buy again and will buy more. Parts were in separate box that were marked with a sharpie, but no problem telling what was in each one. This was an excellent way to re-stock the O Ring, instead of going to the farm store and grabbing handfulls of each size and sorting them yourself.

The Hillman Group 43797 1/2-Inch Internal Tooth Lock Washer, Stainless Steel, 25-Pack

THE HILLMAN GROUP
43797
1.30 X 1.60 X 2.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Parts work best with large head screws such as round, pan, binding, and washer-head screws

Teeth used for locking & tension

Included variants run from #4 to 1/2" in screw size

Full assortment includes both internal and external variants

Stainless steel finish for best-in-class corrosion resistance

These stainless steel internal toothed lock washers feature a 1/2" screw size

25 pieces per retail package

#TOP19
Best For Zinc

Small Parts Steel Flat Washer, Zinc Yellow Chromate Plated Finish, Grade 8, Asme B18.22.1, 5/16" Screw Size, 3/8" Id, 7/8" Od, 0.065" Thick (Pack Of 100)

SMALL PARTS
B009OKELKC
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Flat washer provides a bearing surface for fastener load distribution or acts as a spacer

Grade 8 steel is stronger than grade 5 steel and often used in applications where strength is the primary concern

Zinc yellow-chromate plating offers good corrosion resistance

Meets ASME B18.22.1 specifications

Fasttend 48Pairs Din25201 Wedge Locking Washer Assortment Kit 65Mn Stl Size Included:m4 M5 M6 M8 N10 M12 M14 M16 Non-Slip For Screw Bolt

FASTTEND
W-48
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FSATNDE 7.55

Features

Set Includes 8 most used sizes:M4 M5 M6 M8 N10 M12 M14 M16,can meet different using needs,good for your fixing or projects working.

Wedge locking washers are generally installed under the nut to prevent the nut from loosening.

Widely used in electrical connections on household and commercial appliances.

High quality 65Mn,good corrosion resistance.

All the small parts are packed in a transparent plastic box with compartments,which is convenient to carry,store or reuse as a backup kit.

58 Pcs Faucet Washers,Faucet Parts Washer Flat And Beveled Rubber Faucet Washers And Brass Bibb Screws Assortment Replacement Kit For Repairing Faucet Leak Worn Out Washer Replacements

SLIVERDEW
542047_1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Tengwen 7.03

Features

PACKAGE CONTAINS - You will get 52 multi-size flat washers and beveled washers with 6 brass screws. Contains 10 different styles of commonly used washers, the size of which is clearly marked on the washer for easy identification and use.

PREMIUM MATERIAL - The outdoor faucet repair kit are made of high-quality rubber material, which is durable enough to withstand the rigors of daily use. Equipped with brass screws not easy to corrode. The black finish is low-profile and stain-resistant for long-term use.

EASY TO USE - each rubber washer is clearly marked with size information, you can quickly find the one you need according to it. There are 6 brass bolts in the package, which are corrosion resistant and can be used with rubber faucet Washers.

VERY PRACTICAL - Perfect hose bib washers, the quantity is sufficient to meet your replacement needs, and it can also be used as a spare part for future use. A great addition to your home and tool kit, an inexpensive alternative that saves you on expensive faucet repairs.

WIDLY APPLICATION - This tub repair kit is a faucet accessory that every family may use. When there is a leak in your faucet, shower or other hose connections, you can use the tub repair kit to repair it for you Save a lot of time and money while gaining a sense of accomplishment.

#TOP22

X Autohaux 55Pcs M8 X 13Mm X 1Mm Flat Washer Stainless Steel Car Fastener Sealing Gaskets

X AUTOHAUX
A19112100UX0539
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Dimensions: Inner Diameter: 8mm / 0.31"(M8), Outer Diameter:13mm / 0.51", Thickness:1mm / 0.04"

Quantity: It contains 55(+/-2%)pcs stainless steel flat washers gasket.

Material: Made of stainless steel, which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance.

Feature: These washers are very strong, the flat washer provides a bearing surface for fastener load distribution or acts as a spacer.

Application: Perfect for electrical connections on automotive and marine uses in which the power source has a threaded/bolt-type connection.

#TOP23

X Autohaux M5 X 20Mm X 1Mm Stainless Steel Flat Washer Car Fastener Sealing Gaskets 55Pcs

X AUTOHAUX
A19112100UX0509
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

【Dimensions】 Inner Diameter: 5mm / 0.20"(M5), Outer Diameter:20mm / 0.79", Thickness:1mm / 0.04"

【Quantity】 It contains 55(+/-2%)pcs stainless steel flat washers gasket.

【Material】 Made of stainless steel, which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance.

【Feature】 These washers are very strong, the flat washer provides a bearing surface for fastener load distribution or acts as a spacer.

【Application】 Perfect for electrical connections on automotive and marine uses in which the power source has a threaded/bolt-type connection.

Top 10 parts washers Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Small Parts 14
Fasttend 2
X Autohaux 2
Boxob 1
Moore Parts 1
Sliverdew 1
Swpeet 1
The Hillman Group 1

Top 10 parts washers Brands Pie Chart


We've carried out a comprehensive analysis of 3,169 reviews on parts washers, using our selection criteria to identify the best options in the automotive tools & equipment. Our findings reveal that most customers typically select parts washers priced around $8.27, with top brands including redsun, big red, aff, crc, vevor, atesmo, pwaccs, torin and toolcy and snow joe

Our team of expert editors reviewed these high-quality items and handpicked the top 23 parts washers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive tools & equipment category. These include joydoz, amazon.com, elite tool center, amazon warehouse, atesmo, pwaccs inc, toolcy, generator parts and avid cycles and northern tool + equipment .

We are dedicated to assisting our users in finding the right washers Products based on their needs, saving them considerable time when choosing which parts washers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.