IFI 100/107 Top Locknut, Grade C, Alloy Steel, Zinc/Wax Finish, Coarse Thread, 0.827" Thickness, 1-1/8" Across Flats, 3/4-10
(Pack of 25)

SKU:80934 Item#: 80934

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.

Check Availability

Quantity

Catalog page#: 3-12, 3-29

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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#:	80934
Diameter	3/4 "
Thread Pitch	10
Grade	C
Finish	Zinc/Wax
Type	Top Lock Nut
Material	Alloy Steel
Thickness	0.827 "
Across Flats	1-1/8 "
Thread	Coarse
Specifications	IFI 100/107
Maximum Temperature	450º F
Proof	150,000 PSI
Quantity Per Package	25.0000
UNSPSC #:	31161716
TAA Compliant:	No
Weight:	2.72 lb

Product Restrictions

Suggested Products

USS Flat Washer Thru-Hardened Steel 1/4"

USS Flat Washer Thru-Hardened Steel 3/8"

USS Flat Washer Thru-Hardened Steel 5/16"

SAE J995C Locknut with Nylon Insert Grade 8 1/4-20

SAE J995C Locknut with Nylon Insert Grade 8 3/8-16

SAE Flat Washer Thru-Hardened Steel 3/8"

USS Flat Washer Thru-Hardened Steel 1/4"

Flat Washer Grade 12 Thru-Hardened Steel M8

IFI 100/107 Top Locknut Grade C 5/8-11

SAE Flat Washer Thru-Hardened Steel 1/4"

SAE J995C Locknut with Nylon Insert Grade 8 1/2-13

Locknut with Nylon Insert Grade 8 5/16-18

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