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5/16-in Stainless steel Standard Flat Washer

Ratings & Reviews for Hillman 5/16-in Stainless steel Standard Flat Washer

4.7
166
Review
Β 4.7 out of 5
166 Reviews


92% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise these stainless steel washers for exceptional rust resistance and durability in outdoor, marine, and heavy-duty applications. Reviewers consistently highlight that the material won't corrode, feels solid under torque, and fits precisely with 5/16-inch lag screws and bolts. Many commend the reliable performance in demanding environments like docks and structural reinforcement, paired with affordable pricing compared to galvanized alternatives. A few report occasional off-center holes or thin construction requiring stacking, though these issues are rare. Overall, most customers consider them dependable, factory-grade hardware delivering excellent value.

Customer review summary generated by AI, including incentivized reviews.
166 Customer Reviews

It’s a washer - this isn’t exactly hard to use.

Would Recommend

Used this to help install a mini split unit on a wall bracket.

June 28, 2026
From 5_SLASH_16-in Stainless steel Standard Flat Washer Verified Purchaser
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Hardware

Would Recommend

Performed as advertised

June 25, 2026
From 5_SLASH_16-in Stainless steel Standard Flat Washer Verified Purchaser
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Lowes always goes above and beyond.

Consistency

June 21, 2026
From 5_SLASH_16-in Stainless steel Standard Flat Washer Verified Purchaser
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πŸ‘πŸ½

Would Recommend

πŸ‘πŸ½

June 21, 2026
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Affordable and durable

Would Recommend

Affordable and durable stainless-steel washers I used with stainless bolts to secure the intake manifold on my 1970 Mustang. Worked well and looked great!

June 15, 2026
Verified Purchaser
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Flat washers

Would Recommend

Was what I needed and they work great.

June 14, 2026
Verified Purchaser
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Washers

Would Recommend

Just what i needed at the right price,

June 14, 2026
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Washer

Would Recommend

This screw was exactly what I needed for a toolbelt

June 14, 2026
Verified Purchaser
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Careful when selecting, intermixed with steel

Would Not Recommend

Limited stock intermixed with standard washers

June 14, 2026
From 5_SLASH_16-in Stainless steel Standard Flat Washer Verified Purchaser
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Response from Customer Service@Hillman

We are very sorry to hear that this product was unsatisfactory and did not meet your expectations. We understand how disappointing that can be. Pleas...

Customer Service@HillmanJune 16, 2026

Works/pricy

Would Recommend

Works, does the job. Kind of pricy for what it is.

June 12, 2026
Verified Purchaser
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6mm SS standard washer

Would Recommend

Beautiful finish of the metal, takes spray paint very well, supports my 6mm bolts strongly.

June 7, 2026
Verified Purchaser
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Correct size available

Good fit

May 28, 2026
Verified Purchaser
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but single or in bulk

Would Recommend

it was what I expected

May 27, 2026
Verified Purchaser
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Perfect replacement washers

Would Recommend

Got these to replace the washers on my peloton bike. These fit perfectly and did the job

May 24, 2026
From 5_SLASH_16-in Stainless steel Standard Flat Washer Verified Purchaser
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Stainless

Would Recommend

Good quality. Easy to use

May 23, 2026
Verified Purchaser
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