USS Flat Washer Thru-Hardened Steel 5/16"
(Pack of 100.0)

FalconGrip®

Enjoy a secure grip and prevent loosening when you use this USS flat steel washer for your construction, engineering and automotive projects. Thru-hardened feature means the entire washer is heat-treated, providing consistent strength throughout. When high strength and reliability are needed, this robust washer is your go to.
• Zinc-plated to 0.0002" minimum thickness with yellow chromate finish
• Thru-hardened to resist dishing, bellying or cracking
• Larger outer diameter allows for better load distribution on the fastened material
• Hardened and drawn to Rc 38/45
• 1050 annealed HRPO*
*Hot rolled, pickled and oiled steel
*Hot rolled, pickled and oiled steel

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Product Description

Enjoy a secure grip and prevent loosening when you use this USS flat steel washer for your construction, engineering and automotive projects. Thru-hardened feature means the entire washer is heat-treated, providing consistent strength throughout. When high strength and reliability are needed, this robust washer is your go to.
• Zinc-plated to 0.0002" minimum thickness with yellow chromate finish
• Thru-hardened to resist dishing, bellying or cracking
• Larger outer diameter allows for better load distribution on the fastened material
• Hardened and drawn to Rc 38/45
• 1050 annealed HRPO*
*Hot rolled, pickled and oiled steel
*Hot rolled, pickled and oiled steel

Technical Specifications

Item#: FA88446
Nominal Size 5/16 "
Grade Thru-Hardened
Finish Yellow Zinc
Type Flat Washer
I.D. 0.375 "
O.D. 0.875 "
Thickness 0.064 – 0.104 "
Material Carbon Steel
Pattern USS
Specifications ANSI B18.22.1
UNSPSC #: 31161807
TAA Compliant: No
Weight: 0.88 lb

Product Restrictions

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