Hillman USS Flat Washers, 5/16in, 100 Pack, Zinc

★★★★★ 4.6 69 reviews

US$3.00
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by askcindyhow.com
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
US$3.00
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Sep 24
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by askcindyhow.com
Free 30-day returns Details

Product details

Management number 250239403 Release Date 2026/09/17 List Price US$3.00 Model Number 250239403
Category

Product Description Hillman 5/16" zinc USS flat washers are designed to improve fastening stability by distributing the load of bolts and screws across a wider surface area. These washers help protect materials from damage while supporting stronger and more secure fastening connections. Engineered to USS standards, these washers are specifically sized for use with 5/16" USS threaded bolts and screws. Flat washers are commonly used in construction, repair, mechanical assembly, and general hardware installations where added fastening security and pressure distribution are required. Constructed from durable steel and finished with protective zinc plating, these washers provide moderate resistance to rust and corrosion for interior applications. Packaged in a convenient C-Pak containing 100 pieces, these washers are ideal for contractors, maintenance work, and home improvement projects requiring dependable fastening support. From the Manufacturer Used in applications with nuts and bolts. The flat washer provides a greater bearing surface which helps prevent a nut or bolt head from tearing through the material. Flat washers are commonly used in decks and fence building. The called out size is the inner diameter of the washer.

  • ZINC-PLATED FLAT WASHERS FOR SECURE FASTENER SUPPORT: 5/16 in. flat washers distribute bolt and screw load across a wider surface area, preventing material damage and improving fastening stability in construction and repair projects.
  • STANDARD SIZED FOR 5/16 IN. BOLTS AND SCREWS: Engineered to standard flat washer sizing for proper compatibility with 5/16 in. threaded bolts and screws. Precise sizing ensures accurate alignment and reliable structural fastening.
  • IMPROVES HOLDING POWER AND LOAD DISTRIBUTION: Flat washers increase pressure distribution from bolts and screws, reducing the likelihood of loosening and improving overall fastening security for stronger connections across multiple materials.
  • ZINC-PLATED STEEL FOR CORROSION RESISTANCE: Durable steel with zinc plating provides moderate rust protection for interior and general-purpose environments. Reliable performance in hardware assembly, repair, and construction projects.
  • TRUSTED HILLMAN FASTENING SOLUTIONS: Hillman hardware products are engineered for consistent quality, dependable performance, and reliable fastening across construction, repair, and home improvement project applications.
UPC 008236089349
ASIN B000BQKVG6
Brand Hillman
Color Zinc Plated
Model 270058
Set Name 100-Pack
Size Name 5/16"
Metal Type Alloy Steel
Unit Count 1 Count
Item Weight 14.08 ounces
Part Number 270058
Thread Size 5/16"
Washer Type Flat
Finish Types Zinc
Manufacturer The Hillman Group
Fastener Size 5/16"
Fastener Type Flat Washer
Material Type Steel
Item Highlight Zinc-plated steel, USS fit for 5/16in bolts and screws, Helps spread load in deck, fence, repair, and hardware projects
Item Thickness 0.1 inches
Item Type Name The Hillman Group 270058 Flat Zinc Washer, 5/16-Inch, 100-Pack
Exterior Finish Zinc
Item Dimensions 3.1 x 2 x 3.1 inches
Number Of Items 100
Number of Pieces 100
Outside Diameter 0.75 inches
Screw Head Style Flat
Washer Application construction, repair
Included Components The Hillman Group 270058 Flat Zinc Washer, 5/16-Inch, 100-Pack
Warranty Description Warranty
Washer Compatibility 5/16 inch bolts, 5/16 inch screws
Compatible Groove Diameter 0.38 inches
Global Trade Identification Number 00008236089349

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.6 out of 5
★★★★★
69 ratings | 28 reviews
How item rating is calculated
View all reviews
5 stars
84% (58)
4 stars
3% (2)
3 stars
2% (1)
2 stars
1% (1)
1 star
10% (7)
Sort by

There are currently no written reviews for this product.