Home Fasteners Nuts Lock Nuts Locknut Tri-Lobular Thick Grade C 5/8-18
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, 23/32" Thickness, 15/16" Across Flats, 5/8-18
(Pack of 10)

Item#: 53709

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_519.jpg

Hex Nut Grade 8 Steel M8-1.25

Item#: 4304
DV_ZoomOriginal_P_519.jpg

Hex Nut Grade 8 Steel M10-1.5

Item#: 4305
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M6-1 x 20mm

Item#: 28680
No product placeholder

DIN 982 High Locknut with Nylon Insert M8-1.25

Item#: 1283935
No product placeholder

Locknut with Nylon Insert Grade 10 M12-1.75

Item#: 1153503
DV_ZoomOriginal_P_33477.jpg

Flange Locknut with Nylon Insert Grade 8 3/8-16

Item#: 18246
DV_ZoomOriginal_P_519.jpg

Hex Nut Grade 8 Steel M5-0.8

Item#: 4301
DV_ZoomOriginal_P_32671.jpg

Hex Nut Grade 8 Steel 1/2-13

Item#: FA68404
DV_ZoomOriginal_P_519.jpg

Hex Nut Grade 8 Steel M4-0.7

Item#: 4300
DV_ZoomOriginal_P_9860.jpg

Acorn Nut A2 Stainless Steel M6-1

Item#: 27793
DV_ZoomOriginal_P_2015.jpg

Hex Flange Nut Grade 8 Steel M8-1.25

Item#: 57129
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M10-1.25 x 20mm

Item#: 55607
DV_ZoomOriginal_I_KT12848.jpg

Bumper Clip Push-Type Retainer Nylon 18mm

Item#: KT12848
DV_ZoomOriginal_I_KT14285.jpg

Front Bumper Drive Rivet Plastic 10mm Hole

Item#: KT14285
DV_ZoomOriginal_I_P24082.jpg

Front Fender Push-Type Retainer Nylon 20mm

Item#: P24082

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#: 53709
Diameter 5/8 "
Thread Pitch 18
Grade C
Finish Zinc/Wax
Type Tri-Lobular Lock Nut
Material Alloy Steel
Thickness 23/32 "
Across Flats 15/16 "
Thread Fine
Specifications IFI 100/107 and ANSI B18.2.2
Maximum Temperature 450º F
Proof 180,000 PSI
Quantity Per Package 10.0000
UNSPSC #: 31161716
TAA Compliant: Yes
Weight: 0.84 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_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M8-1.25 x 16mm

Item#: 55602
DV_ZoomOriginal_I_80263.jpg

DIN 125A Flat Washer Grade 140 HV M8

Item#: 80263
DV_ZoomOriginal_I_82353_WB.jpg

Open End Rivet Large Flange Head Aluminum 3/16"

Item#: 82353
DV_ZoomOriginal_P_30780.jpg

Open End Rivet Dome Head Aluminum 3/16"

Item#: 485
DV_ZoomOriginal_P_30780.jpg

Open End Rivet Dome Head Aluminum 5/32"

Item#: 1968
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M10-1.25 x 30mm

Item#: 55608

Your Recently Viewed Items