IFI 100/107 Top Locknut, Grade C, Alloy Steel, Zinc/Wax Finish, Fine Thread, 0.288" Thickness, 7/16" Across Flats, 1/4-28
(Pack of
100)
SKU:80939 Item#: 80939
• 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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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#: | 80939 |
|---|---|
| Diameter | 1/4 " |
| Thread Pitch | 28 |
| Grade | C |
| Finish | Zinc/Wax |
| Type | Top Lock Nut |
| Material | Alloy Steel |
| Thickness | 0.288 " |
| Across Flats | 7/16 " |
| Thread | Fine |
| Specifications | IFI 100/107 |
| Maximum Temperature | 450º F |
| Proof | 150,000 PSI |
| Quantity Per Package | 100.0000 |
| UNSPSC #: | 31161716 |
| TAA Compliant: | No |
| Weight: | 0.68 lb |
