Home Fasteners Washers Flat Washers USS Flat Washer Thru-Hardened Steel 5/16"
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Maintenance Engineered Fastening Systems

Flat Washer, USS, 21/64" ID, 7/8" OD, 3/32" Thickness, 5/16", Steel, Zinc Finish
(Pack of 100)

Item#: 88446

Tru-Torq®

• Designed and engineered for use with Tru-Torq® and Tuff-Torq® fastening systems
• Greater thickness with more closely held tolerances than standard washers – tight inside diameter tolerance prevents system mismatch
• Smooth bearing surfaces
• Manufacturing lot control traceability
• Hardened and tempered; will support 180,000 PSI minimum strength
• Exceeds SAE and ASTM F436 specifications

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Catalog page#: 11-11

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Product Description

• Designed and engineered for use with Tru-Torq® and Tuff-Torq® fastening systems
• Greater thickness with more closely held tolerances than standard washers – tight inside diameter tolerance prevents system mismatch
• Smooth bearing surfaces
• Manufacturing lot control traceability
• Hardened and tempered; will support 180,000 PSI minimum strength
• Exceeds SAE and ASTM F436 specifications

Technical Specifications

Item#: 88446
Nominal Size 5/16 "
Grade Thru-Hardened
Finish Bright Zinc
Type Flat Washer
I.D. 21/64 "
O.D. 7/8 "
Thickness 3/32 "
Material Carbon Steel
Minimum Thickness .079 "
Maximum Thickness .093 "
Pattern USS
Quantity Per Package 100.0000
UNSPSC #: 31161807
TAA Compliant: Yes
Weight: 1.29 lb

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