Home Fasteners Nuts Lock Nuts Locknut Tri-Lobular Thick Grade C 9/16-18
Fasteners
DV_ZoomOriginal_P_31310.jpg
DV_ZoomOriginal_P_31310_SD1.jpg
DV_ZoomOriginal_P_31310.jpg
DV_ZoomOriginal_P_31310_SD1.jpg

Tri-Lobular Thick Locknut, Grade C, Alloy Steel, Zinc/Wax Finish, Fine Thread, 39/64" Thickness, 7/8" Across Flats, 9/16-18
(Pack of 25)

Item#: 53708

Tru-Torq®

• Specifically designed for use with Lawson’s Tru-Torq® fastening system
• Tri-lobular locking feature for even pressure distribution and superior engageability
• Cadmium-plated with Friction Control
• 180,000 PSI minimum proof-load strength
• Meets or exceeds SAE J995
• Conforms to ANSI B18.2.2
NOTE: Not recommended for use above 450°F (232°C).

Read More
Check Availability

Catalog page#: 11-10

Frequently Bought Together

DV_ZoomOriginal_P_11056.jpg

Serrated Hex Flange Nut Alloy Steel M8-1.25

Item#: 28700
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M6-1 x 25mm

Item#: 28681
DV_ZoomOriginal_I_82354_WB.jpg

Open End Rivet Large Flange Head Aluminum 3/16"

Item#: 82354
DV_ZoomOriginal_I_DY89320045.jpg

SAE Interchangeable Nut Driver Set 11Pc

Item#: DY89320045
DV_ZoomOriginal_I_DY89310022.jpg

4Pc Adjustable/Pipe Wrench Set

Item#: DY89310022
DV_ZoomOriginal_I_DY89320020.jpg

Cross-Over Socket Set, SAE, 3/8" Drive, 10pc

Item#: DY89320020
DV_ZoomOriginal_I_DY02292900.jpg

1/2-13 Heavy Nylon Insert Lock Nut

Item#: DY02292900
DV_ZoomOriginal_P_FS1004.jpg

Locknut with Nylon Insert 316 SS #6-32

Item#: 1148504
DV_ZoomOriginal_P_33478.jpg

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

Item#: 305
DV_ZoomOriginal_P_2015.jpg

Hex Flange Nut Grade 8 Steel M10-1.5

Item#: 57130
DV_ZoomOriginal_P_32674.jpg

Hex Nut Grade 2 Steel 1/4-20

Item#: 100
DV_ZoomOriginal_P_519.jpg

Hex Nut Grade 8 Steel M14-2

Item#: 80911
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M10-1.25 x 40mm

Item#: 55609
DV_ZoomOriginal_P_31854_WB.jpg

Sheet Metal Screw Phillips Truss Head #14 x 3/4"

Item#: 59456
DV_ZoomOriginal_P_9860.jpg

Acorn Nut A2 Stainless Steel M6-1

Item#: 27793
DV_ZoomOriginal_I_P85438.jpg

Front Bumper Drive Rivet Plastic 7mm Hole

Item#: P85438
DV_ZoomOriginal_I_P24082.jpg

Front Fender Push-Type Retainer Nylon 20mm

Item#: P24082
DV_ZoomOriginal_I_P62445.jpg

Fender Bumper Shield Retainer 11/16"

Item#: P62445

Product Description

• Specifically designed for use with Lawson’s Tru-Torq® fastening system
• Tri-lobular locking feature for even pressure distribution and superior engageability
• Cadmium-plated with Friction Control
• 180,000 PSI minimum proof-load strength
• Meets or exceeds SAE J995
• Conforms to ANSI B18.2.2
NOTE: Not recommended for use above 450°F (232°C).

Technical Specifications

Item#: 53708
Diameter 9/16 "
Thread Pitch 18
Grade C
Finish Zinc/Wax
Type Tri-Lobular Lock Nut
Material Alloy Steel
Thickness 39/64 "
Across Flats 7/8 "
Thread Fine
Specifications IFI 100/107 and ANSI B18.2.2
Maximum Temperature 450º F
Proof 180,000 PSI
Quantity Per Package 25.0000
UNSPSC #: 31161716
TAA Compliant: Yes
Weight: 1.61 lb

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_I_82353_WB.jpg

Open End Rivet Large Flange Head Aluminum 3/16"

Item#: 82353
DV_ZoomOriginal_P_11056.jpg

Serrated Hex Flange Nut Alloy Steel M6-1

Item#: 28699

Your Recently Viewed Items