Home Fasteners Nuts Lock Nuts Top Locknut Grade C 3/4-10
Fasteners
DV_ZoomOriginal_P_31312.jpg
DV_ZoomOriginal_P_31312.jpg

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)

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.

Read More
Check Availability

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

Catalog page#: 11-12, 11-28

Frequently Bought Together

DV_ZoomOriginal_P_532_WB.jpg

DIN 6921 Hex Flange Bolt Grade 8.8 M6-1 x 16mm

Item#: 59407
DV_ZoomOriginal_I_1965.jpg

Open End Rivet Dome Head Aluminum 1/8"

Item#: 1965
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M6-1 x 20mm

Item#: 28680
DV_ZoomOriginal_P_452.jpg

Jam Nut with Nylon Insert Grade 2 1-1/8-7

Item#: 54667
DV_ZoomOriginal_P_33479.jpg

Locknut with Nylon Insert Grade 8 5/16-24

Item#: 53990
DV_ZoomOriginal_P_2041.jpg

DIN 985 Locknut with Nylon Insert Grade 8 M18-2.5

Item#: 82274
DV_ZoomOriginal_P_32673.jpg

Hex Nut Grade 5 Steel 7/16-14

Item#: FA95680
DV_ZoomOriginal_P_33479.jpg

Locknut with Nylon Insert Grade 8 5/16-18

Item#: 53980
DV_ZoomOriginal_P_32673.jpg

Hex Nut Grade 5 Steel 1/2-13

Item#: FA95681
DV_ZoomOriginal_P_532_WB.jpg

DIN 6921 Hex Flange Bolt Grade 8.8 M8-1.25 x 16mm

Item#: 59411
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M10-1.25 x 35mm

Item#: 28694
DV_ZoomOriginal_P_32673.jpg

Hex Nut Grade 5 Steel 3/8-16

Item#: FA95679
DV_ZoomOriginal_I_KT13687.jpg

Rocker Molding Clip with Sealer Nylon Blue 17mm

Item#: KT13687
DV_ZoomOriginal_I_P86117.jpg

Fender and Bumper Push-Type Retainer Nylon 18mm

Item#: P86117
DV_ZoomOriginal_I_P58130.jpg

Hex Head Sheet Metal Screw with 16mm Washer Steel

Item#: P58130
DV_ZoomOriginal_P_ERWINT20_wb.jpg

N-Ferno 6472 Insulated Bib Overalls - 300D Oxford Shell

Item#: 1653991
DV_ZoomOriginal_P_ERWINT20_wb.jpg

N-Ferno 6472 Insulated Bib Overalls - 300D Oxford Shell

Item#: 1653995
DV_ZoomOriginal_P_38605.jpg

817 Thermal Utility Mechanics Style Gloves

Item#: SF10659

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

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

Suggested Products

DV_ZoomOriginal_I_1969.jpg

Open End Rivet Dome Head Aluminum 5/32"

Item#: 1969
DV_ZoomOriginal_P_30780.jpg

Open End Rivet Dome Head Aluminum 3/16"

Item#: 484
DV_ZoomOriginal_I_489.jpg

Open End Rivet Dome Head Aluminum 3/16"

Item#: 489
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M8-1.25 x 20mm

Item#: 55603
DV_ZoomOriginal_P_2002.jpg

DIN 125A Flat Washer Grade 140 HV M6

Item#: 80261
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M8-1.25 x 30mm

Item#: 55604
DV_ZoomOriginal_I_80263.jpg

DIN 125A Flat Washer Grade 140 HV M8

Item#: 80263
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M8-1.25 x 16mm

Item#: 55602
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M10-1.25 x 30mm

Item#: 55608
DV_ZoomOriginal_P_30780.jpg

Open End Rivet Dome Head Aluminum 3/16"

Item#: 485
DV_ZoomOriginal_P_11056.jpg

Serrated Hex Flange Nut Alloy Steel M6-1

Item#: 28699
DV_ZoomOriginal_I_82353_WB.jpg

Open End Rivet Large Flange Head Aluminum 3/16"

Item#: 82353

Your Recently Viewed Items