Name: Hillman #8 x 32 Stainless steel Steel Nylon insert Nut 10
Brand: Hillman
SKU: 4756513
Price: 3.98 USD
Availability: InStock
Rating: 4.7 (495 reviews)

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These nylon insert stop nuts, also known as lock nuts, are ideal to securely fasten a bolt when connecting materials. Use these hexagonal nuts with bolts and washers of the same material, finish, and grade. The nylon ring inside the nut creates rotational resistance when displaced by a mating male threaded fastener, thus preventing loosening. The nylon insert also helps resist vibration and adds extra corrosion resistance.

Stop nuts are designed to be fastened to a bolt when mechanically joining materials
Stainless steel offers best-in-class corrosion resistance
Install with hand tools such as a combination wrench
Nylon insert offers added security against loosening from vibration
Recommended for use with bolts and washers of a similar size and finish
Parts feature coarse #8-32 screw thread
10 pieces per retail package

General
Finish	Stainless steel	Use Location	Exterior
Manufacturer Color/Finish	Silver	Unit of Measure	Count
Type	Nylon insert	Measure Type	Standard (SAE)
Material	Steel	Thread Type	Coarse
Package Quantity	10	Thread Pitch	32
Grade	All-Purpose

Dimensions
Inner Diameter Measurement	#8

Features
Threading	Right hand

Warranty
Warranty	None

Certifications
ACQ Approved	Yes	CA Residents: Prop 65 Warning(s)	No

Miscellaneous
UNSPSC	31161700

Check out the Best Selling Lock Nuts on Lowes.com

Review

4.7 out of 5

495 Reviews

93% Recommend this product

Ratings may include incentivized customer reviews.

Read All Reviews

What Customers Are Saying

Customers overwhelmingly praise these stainless steel nylon lock nuts for their exceptional self-locking performance and rust resistance. Reviewers consistently report the nylon insert keeps nuts securely in place under heavy vibration, with many noting they "do not move a millimeter" on generators and tractors. The durable stainless steel construction resists corrosion in outdoor applications, while the precise threading ensures perfect fit and easy installation. Most customers agree the product delivers excellent value and performs as intended, though a few report occasional galling or weak locking force.

Customer review summary generated by AI, including incentivized reviews.

495 Customer Reviews

Sort By

Stainless steel bolt

Would Recommend

I needed a bolt for our outdoor umbrella. This was a good fit

PapaSeptember 28, 2026
From #10 x 24 Stainless steel Steel Nylon insert Nut 8 Verified Purchaser

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Perfect hardware for my project car!

Would Recommend

I purchased these for my project car looking for tightening up a steering mount that was vibration resistant and with plenty of grip strength that would keep them from loosening from vibration. These look corrosion resistant and should last a long time.

MoBandySeptember 27, 2026
From 3_SLASH_8-in x 24 Stainless steel Steel Nylon insert Nut 2 Verified Purchaser

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Strong Hardware

Would Recommend

Fit perfectly.

ChiefMichSeptember 25, 2026
Verified Purchaser

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Just Right for the Job

Just fine and I appreciate the finished product. It was easy to find in the store too.

GreatSeptember 20, 2026
Verified Purchaser

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good Nuts

Would Recommend

good nuts

DIYerSeptember 16, 2026
From 1_SLASH_4-in x 20 Stainless steel Steel Nylon insert Nut 6 Verified Purchaser

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COMPARE PRODUCTS

		Name	Current Item Hillman#8 x 32 Stainless steel Steel Nylon insert Nut 10
		Ratings	494
		Material	Steel
		Thread Type	Coarse
		Finish	Stainless steel
Hillman1/4-in x 20 Zinc-plated Steel Nylon insert Nut 25	Unique Bargains10pcs Hex Lock Nuts - M8 x 1.25mm 316 Stainless Steel Nylon Insert Self-Locking Nuts for Fasteners Silver Tone	Hillman#8 x 32 Brass Brass Wood insert Nut 2	Hillman#6 x 32 Brass Brass Wood insert Nut 2	Hillman#10 x 24 Brass Brass Wood insert Nut 2	Hillman5/16-in x 18 Zinc-plated Stainless steel Nylon insert Nut 5	Hillman5/16-in x 18 Zinc-plated Steel Nylon insert Nut 25	Hillman3/8-in x 16 Zinc-plated Steel Nylon insert Nut 25	Hillman1/4-in x 20 Zinc-plated Steel Wood insert Nut 4
38		281	281	281		41	38	132
Steel		Brass	Brass	Brass	Stainless steel	Steel	Steel	Steel
Coarse		Coarse	Coarse	Coarse	Coarse	Coarse	Coarse	Coarse
Zinc-plated		Brass	Brass	Brass	Zinc-plated	Zinc-plated	Zinc-plated	Zinc-plated