USA Structural Washers

USA Structural Washers sit under a bolt head or nut to spread the clamp load and protect the work surface. The right washer protects the joint, spreads the load, and keeps the fastener from working loose over time. South Coast Fasteners stocks USA Structural Washers in a full range of sizes, grades, and finishes, with fast 3-5 day shipping. Popular options include carbon steel usa structural washers, stainless steel usa structural washers, and yellow zinc usa structural washers.

Product Name	Bolt or Screw Size	Material	Inside Diameter	Finish	Outside Diameter	Thickness
34.53800	7/16" Flat Washers (SAE), Extra Heavy, Carbon Steel, Yellow Zinc Cr+6 (Dims: 15/32" I.D. x 59/64" O.D. x .110"-.126" Thk.), USA	389200	7/16"	Heavy Carbon Steel	15/32"	Yellow Zinc Cr+6	59/64	.110"-.126 "	View Details
66.95400	1/2" Flat Washers (SAE), Extra Heavy, Carbon Steel, Yellow Zinc Cr+6 (Dims: 17/32" I.D. x 1 1/16" O.D. x .125"-.188" Thk.), USA	389250	1/2"	Heavy Carbon Steel	17/32"	Yellow Zinc Cr+6	1 1/16"	.125"-.188 "	View Details
79.40000	9/16" Flat Washers (SAE), Extra Heavy, Carbon Steel, Yellow Zinc Cr+6 (Dims: 19/32" I.D. x 1 3/16" O.D. x .156"-.188" Thk.), USA	389300	9/16"	Heavy Carbon Steel	19/32"	Yellow Zinc Cr+6	1 3/16"	.156"-.188 "	View Details
50.93100	5/8" Flat Washers (SAE), Extra Heavy, Carbon Steel, Yellow Zinc Cr+6 (Dims: 21/32" I.D. x 1 5/16" O.D. x .170"-.195" Thk.), USA	389350	5/8"	Heavy Carbon Steel	21/32"	Yellow Zinc Cr+6	1 5/16"	.170"-.195 "	View Details
73.99250	3/4" Flat Washers (SAE), Extra Heavy, Carbon Steel, Yellow Zinc Cr+6 (Dims: 13/16" I.D. x 1 1/2" O.D. x .170"-.195" Thk.), USA	389400	3/4"	Heavy Carbon Steel	13/16"	Yellow Zinc Cr+6	1 1/2"	.170"-.195 "	View Details
136.28450	7/8" Flat Washers (SAE), Extra Heavy, Carbon Steel, Yellow Zinc Cr+6 (Dims: 15/16" I.D. x 1 3/4" O.D. x .235"-.265" Thk.), USA	389450	7/8"	Heavy Carbon Steel	15/16"	Yellow Zinc Cr+6	1 3/4"	.235"-.265 "	View Details
194.44600	1" Flat Washers (SAE), Extra Heavy, Carbon Steel, Yellow Zinc Cr+6 (Dims: 1 1/16" I.D. x 2" O.D. x .235"-.265" Thk.), USA	389500	1"	Heavy Carbon Steel	1 1/16"	Yellow Zinc Cr+6	2"	.235"-.265 "	View Details

Showing 21-27 of 27 Results

Showing 21-27 of 27 Results

Materials and Finishes

USA Structural Washers come in grades matched to the load, from carbon steel through high-strength alloy and corrosion-resistant stainless, with finishes from plain and zinc through hot-dip galvanized for outdoor and washdown service. Pair them with structural bolts, bolts, and Finished Hex Nuts to round out the assembly.

How to Choose

Match the grade to the working load and the finish to the environment after locking in diameter, thread pitch, and length. Harsh or corrosive settings call for alloy or stainless.

USA Structural Washers Industry Applications

USA Structural Washers earn a place in shops, on jobsites, and on production floors. Construction and manufacturing back oversized and soft-material holes with them, while automotive spread clamping load and protect surfaces with them. Flat, fender, and split or tooth lock styles, including F436 hardened structural washers.

Frequently Asked Questions

What materials and finishes are usa structural washers available in?

What are usa structural washers used for?

USA Structural Washers see daily use across construction, manufacturing, and automotive, from structural framing and heavy equipment to machinery and general repair.

How do I choose the right usa structural washers?

Match the grade to the working load and the finish to the environment after locking in diameter, thread pitch, and length. Harsh or corrosive settings call for alloy or stainless.

Can I order in bulk or request a quote?

Yes. Stock covers small orders and full production runs. Reach out for a quote or product help.

Why Choose South Coast Fasteners?

South Coast Fasteners stocks fasteners, PPE, hand tools, cutting tools, abrasives, and industrial supplies at competitive pricing, with fast shipping and a team that works the products daily. We also stock fasteners.