Home Fasteners Washers Flat Washers USS Flat Washer Thru-Hardened Steel 5/8"
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Maintenance Engineered Fastening Systems

Flat Washer, USS, Thru-Hardened, Steel, Zinc Finish, 41/64" ID, 1-3/4" OD, 5/32" Thickness, 5/8"
(Pack of 50)

Item#: 88451

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#: 88451
Nominal Size 5/8 "
Grade Thru-Hardened
Finish Bright Zinc
Type Flat Washer
I.D. 41/64 "
O.D. 1-3/4 "
Thickness 5/32 "
Material Carbon Steel
Minimum Thickness .136 "
Maximum Thickness .160 "
Pattern USS
Quantity Per Package 50.0000
UNSPSC #: 31161807
TAA Compliant: Yes
Weight: 4.08 lb

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