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Tri-Lobular Thick Locknut, Grade C, Alloy Steel, Zinc/Wax Finish, Fine Thread, 23/32" Thickness, 15/16" Across Flats, 5/8-18
(Pack of 10)

Item#: 53709

Tru-Torq®

• Specifically designed for use with Lawson’s Tru-Torq® fastening system
• Tri-lobular locking feature for even pressure distribution and superior engageability
• Cadmium-plated with Friction Control
• 180,000 PSI minimum proof-load strength
• Meets or exceeds SAE J995
• Conforms to ANSI B18.2.2
NOTE: Not recommended for use above 450°F (232°C).

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Catalog page#: 3-10

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Product Description

• Specifically designed for use with Lawson’s Tru-Torq® fastening system
• Tri-lobular locking feature for even pressure distribution and superior engageability
• Cadmium-plated with Friction Control
• 180,000 PSI minimum proof-load strength
• Meets or exceeds SAE J995
• Conforms to ANSI B18.2.2
NOTE: Not recommended for use above 450°F (232°C).

Technical Specifications

Item#: 53709
Diameter 5/8 "
Thread Pitch 18
Grade C
Finish Zinc/Wax
Type Tri-Lobular Lock Nut
Material Alloy Steel
Thickness 23/32 "
Across Flats 15/16 "
Thread Fine
Specifications IFI 100/107 and ANSI B18.2.2
Maximum Temperature 450º F
Proof 180,000 PSI
Quantity Per Package 10.0000
UNSPSC #: 31161716
TAA Compliant: Yes
Weight: 0.84 lb

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