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WASHERS

Explore our comprehensive range of industrial washers engineered for load distribution, surface protection, and secure fastening. Whether you need standard flat washers for general load distribution, hi-collar split lock washers for enhanced spring action, or hardened structural washers for steel construction, Kelly Industrial Supply delivers precision-manufactured washers that meet or exceed SAE, ASME, and ASTM specifications.

Available Configurations: Flat, Split Lock, Tooth Lock, Fender, Structural | Sizes: #4 through 3" diameter | Finishes: Zinc Plated, Yellow Dichromate, Plain Steel | Grades: Low Carbon, Medium Carbon (Grade 5), Thru-Hardened (Grade 8)

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Kelly Industrial Supply provides an extensive selection of industrial washers for load distribution, surface protection, and fastener security across construction, manufacturing, automotive, and machinery applications. Our washer inventory includes flat washers in both USS and SAE patterns, lock washers for vibration resistance, and specialty washers for unique fastening requirements.
FLAT WASHERS - USS STANDARD

-Zinc plated and yellow dichromate finishes available

-Low carbon, medium carbon (Grade 5), and thru-hardened (Grade 8) steel options

-Standard and extra-thick profiles

-Size range: 3/16" to 3" diameter

-Larger bearing surface for general construction and machinery

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FLAT WASHERS - SAE STANDARD

-Zinc plated and yellow dichromate finishes available

-Low carbon, medium carbon (Grade 5), and thru-hardened (Grade 8) steel options

-Standard and extra-thick profiles

-Size range: #4 to 2" diameter

-Thinner, more compact design for precision assemblies

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STRUCTURAL FLAT WASHERS

-ASTM F436 compliant hardened washers

-Medium carbon hardened steel

-Yellow dichromate plated or plain finish

-Size range: 1/4" to 1-7/8" diameter

-For structural steel construction applications

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FENDER WASHERS

-Oversized outer diameter for load distribution

-Low carbon steel

-Yellow dichromate plated or zinc plated

-Bolt size range: 3/16" to 1/2"

-Outside diameters up to 2"

-Standard and extra-thick (1/8") options

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SPLIT LOCK WASHERS

-Helical spring design for vibration resistance

-Low carbon steel and high carbon steel (Grade 8) options

-Zinc-plated and yellow zinc finishes

-Size range: 1/4" to 2" diameter

-Standard, hi-collar, and heavy-duty options

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TOOTH LOCK WASHERS

-Internal tooth, external tooth, and combination designs

-Low carbon steel with zinc plating

-Size range: #4 to 1" diameter

-Serrated edges bite into surfaces for maximum grip

-Reusable locking action

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