IFI 100/107 Top Locknut Grade C 5/8-18
(Pack of
25.0)
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.
Couldn't load pickup availability
California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
Frequently Bought Together

Hex Cap Screw Grade 8 Alloy Steel 1/4-20 x 3/4"
Couldn't load pickup availability

Hex Nut Grade 8 Steel 1/4-20
Couldn't load pickup availability

SAE J995C Locknut with Nylon Insert Grade 8 5/8-11
Couldn't load pickup availability

SAE J995C Locknut with Nylon Insert Grade 8 1/2-20
Couldn't load pickup availability

Locknut Keps Grade 2 #8-32
Couldn't load pickup availability

SAE J995C Locknut with Nylon Insert Grade A 3/4-10
Couldn't load pickup availability

Hex Nut Thick Grade 12 Alloy Steel M6-1
Couldn't load pickup availability

Hex Nut 316 Stainless Steel 3/8-16
Couldn't load pickup availability

Hex Nut Machine Screw Grade 2 Steel #10-24
Couldn't load pickup availability

Lock Washer Alloy Steel 3/8"
Couldn't load pickup availability

Screwdriver Anti Slip Phillips No 2 X 4In
Couldn't load pickup availability

Jobber Length Drill Bit HSS 1/4"
Couldn't load pickup availability
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#: | 80945 |
---|---|
Diameter | 5/8 " |
Thread Pitch | 18 |
Grade | C |
Finish | Zinc/Wax |
Type | Top Lock Nut |
Material | Alloy Steel |
Thickness | 0.731 " |
Across Flats | 15/16 " |
Thread | Fine |
Size | 5/8-18 |
Specifications | IFI 100/107 |
Maximum Temperature | 450º F |
Proof | 150,000 PSI |
UNSPSC #: | 31161716 |
TAA Compliant: | No |
Weight: | 1.65 lb |
Product Restrictions
California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
