Hillman 3/8 in. USS Zinc-Plated Flat Washers (1675-Pack)

Durable zinc-plated steel flat washers designed for 3/8 in. USS bolts to distribute load and resist pull-through. Ideal for general construction, carpentry, and machinery where added bearing surface and corrosion resistance are needed.

Key Features:

• Zinc-Plated Steel: Moderate corrosion resistance for indoor/outdoor general use
• USS Sizing: Fits 3/8 in. USS coarse-thread bolts and screws
• Load Distribution: Increases bearing surface to prevent marring and pull-through
• Versatile Application: Suitable for wood, metal, and composite fastening
• Bulk Quantity: Large 1,675-count pack for high-volume jobs and inventory

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What bolt size do these washers fit?
A: They are designed for 3/8 in. USS (coarse-thread) bolts and screws.

Q: Are these suitable for outdoor use?
A: The zinc plating provides moderate corrosion resistance, suitable for many outdoor and damp environments; for harsh or marine environments, consider stainless or hot-dip galvanized.

Q: What is the material?
A: Carbon steel with a zinc-plated finish.

Q: Why use a flat washer?
A: It distributes load to protect the material surface and improves fastener security by reducing pull-through.

Q: Is this a bulk pack?
A: Yes, this listing is for approximately 1,675 pieces for stocking and high-volume projects.

Sleek Utility, Quiet Strength

These zinc-washed circles bring a refined practicality to any build—clean, bright, and confidently understated. Their polished sheen pairs beautifully with brushed hardware, elevating even the most utilitarian joints. Style them with black oxide bolts for a chic, modern contrast that feels intentional. A small detail with big impact, they’re the discreet hallmark of luxurious, lasting craftsmanship.

Stock up on these zinc-plated 3/8 in. USS flat washers and elevate your fastening jobs with reliable, corrosion-resistant performance.