Home Fasteners Top Locknut Grade C 7/8-9
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Top Locknut, Grade C, Alloy Steel, Cadmium Finish, 7/8-9, 4 Pieces per Pack
(Pack of 1)

Item#: X80935

Tuff-Torq®

• Heat-treated for matched strength
• Will not loosen even under severe vibration
• Locking torque is retained for a minimum of five reapplications
• 150,000 PSI minimum proof strength
• Meets IFI and ANSI specifications
• Developed for Grade 8 applications
• Designed for use with Tuff-Torq® Cap Screws
• Identified by six symmetrically spaced marks on the chamfered surface on the top of the nut
NOTE: Not recommended for use above 450°F (232°C).
For recommended torque values, see Lawson’s E546 brochure.

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California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov

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Product Description

• Heat-treated for matched strength
• Will not loosen even under severe vibration
• Locking torque is retained for a minimum of five reapplications
• 150,000 PSI minimum proof strength
• Meets IFI and ANSI specifications
• Developed for Grade 8 applications
• Designed for use with Tuff-Torq® Cap Screws
• Identified by six symmetrically spaced marks on the chamfered surface on the top of the nut
NOTE: Not recommended for use above 450°F (232°C).
For recommended torque values, see Lawson’s E546 brochure.

Technical Specifications

Item#: X80935
Diameter 7/8
Thread Pitch 9
Finish Cadmium
Type Top Lock Nut
Material Alloy Steel
Thread Coarse
Quantity Per Package 4
UNSPSC #: 31161716
TAA Compliant: No
Weight: 0.69 lb

Product Restrictions

California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov

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