Name: Hillman #10 3/8-in Zinc-plated Steel Internal tooth Lock Washer 4-Count
Brand: Hillman
SKU: 3012393
Price: 1.48 USD
Availability: InStock
Rating: 4.8 (1690 reviews)

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What Customers Are Saying

Customers overwhelmingly praise these lock washers for reliable performance and solid quality. Most emphasize they work exactly as intended, keeping bolts securely locked under stress. Reviewers consistently highlight the galvanized finish for corrosion resistance, uniform construction, and precise sizing that matches specifications like 3/4-inch and 5/16-inch dimensions. The high-quality manufacturing and correct fit across all sizes reinforce customer confidence. A few mention concerns about necessity or pricing, but these isolated comments do not diminish the strong overall satisfaction with product reliability and durability.

Customer review summary generated by AI, including incentivized reviews.

1690 Customer Reviews

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Lock it Down Tight.

Would Recommend

These beautes snug those nuts tight, I like that these come in a sufficient even number of pieces in a small bag. Average homeowners don't need a box of these so it's nice to just grab 16. An even number makes more sense than an odd number. This way none of them of is lonely in the bag. Recommended!

TonyDOctober 12, 2026
From 5_SLASH_16-in Zinc-plated Steel Split Lock Washer 16-Count Verified Purchaser

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Good purchase

Would Recommend

Good quality and shape

RedmanOctober 9, 2026
From 7_SLASH_16-in Yellow zinc Steel Split Lock Washer 3-Count Verified Purchaser

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Durable and functional

They are strong enough to support the wooden bunk bed; the material is very decent.

TonyOctober 9, 2026
From 1_SLASH_4-in Zinc-plated Steel Split Lock Washer Verified Purchaser

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		Name	Current Item Hillman#10 3/8-in Zinc-plated Steel Internal tooth Lock Washer 4-Count
		Ratings	1690
		Finish	Zinc-plated
		Inner Washer Diameter (Inches)	3/8-in
		Material	Steel
Hillman3/8-in Zinc-plated Steel Split Lock Washer 10-Count	Hillman5/16-in Zinc-plated Steel Split Lock Washer 25-Count	Hillman3/8-in Zinc-plated Steel Split Lock Washer 25-Count	Hillman1/4-in Zinc-plated Steel Split Lock Washer 25-Count	Hillman3/8-in Stainless steel Stainless steel Split Lock Washer 10-Count	Hillman3/8-in Stainless steel Stainless steel Split Lock Washer 5-Count	Hillman5/16-in Stainless steel Steel Split Lock Washer 5-Count
204	20	19	24		204
Zinc-plated	Zinc-plated	Zinc-plated	Zinc-plated	Stainless steel	Stainless steel	Stainless steel
3/8-in	5/16-in	3/8-in	1/4-in	3/8-in	3/8-in	5/16-in
Steel	Steel	Steel	Steel	Stainless steel	Stainless steel	Steel