Home Fasteners 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_2016.jpg

Hex Flange Nut Grade 10 Steel M10-1.5

Item#: 59769
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M8-1.25 x 25mm

Item#: 28687
DV_ZoomOriginal_P_30780.jpg

Open End Rivet Dome Head Aluminum 3/16"

Item#: 485
DV_ZoomOriginal_I_DY89310230.jpg

3Pc Adjustable/Pipe Wrench Set

Item#: DY89310230
DV_ZoomOriginal_I_DY89310460.jpg

Spinning Handmaster Driver Set 5Pc Set

Item#: DY89310460
DV_ZoomOriginal_I_61952.jpg

Cable Tie Hook and Loop Roll 15' Orange

Item#: 61952
No product placeholder

Locknut with Nylon Insert Grade 10 M12-1.75

Item#: 1153503
DV_ZoomOriginal_P_FS1004.jpg

Locknut with Nylon Insert 316 SS #6-32

Item#: 1148504
DV_ZoomOriginal_P_33478.jpg

Locknut with Nylon Insert Grade A 5/16-18

Item#: 302
DV_ZoomOriginal_P_32673.jpg

Hex Nut Grade 5 Steel 3/8-16

Item#: FA95679
DV_ZoomOriginal_P_32671.jpg

Hex Nut Grade 8 Steel 3/8-16

Item#: FA68402
DV_ZoomOriginal_P_519.jpg

Hex Nut Grade 8 Steel M6-1

Item#: 4302
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 1/4-20

Item#: A100
DV_ZoomOriginal_P_2016.jpg

Hex Flange Nut Grade 10 Steel M8-1.25

Item#: 59768
DV_ZoomOriginal_P_11056.jpg

Serrated Hex Flange Nut Alloy Steel M8-1.25

Item#: 28700
DV_ZoomOriginal_I_1468633.jpg

Push-Type Retainer Nylon 16 x 19mm

Item#: 1468633
DV_ZoomOriginal_I_P15600.jpg

Bumper Push-Type Retainer Nylon 18mm

Item#: P15600
DV_ZoomOriginal_I_KT13527.jpg

Front Bumper Trim Panel/Running Board Split Rivet

Item#: KT13527

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
Size 9/16-18
Specifications IFI 100/107 and ANSI B18.2.2
Maximum Temperature 450º F
Proof 180,000 PSI
UNSPSC #: 31161716
TAA Compliant: Yes
Weight: 1.61 lb

Suggested Products

DV_ZoomOriginal_I_489.jpg

Open End Rivet Dome Head Aluminum 3/16"

Item#: 489
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_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 20mm

Item#: 55603
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M6-1 x 16mm

Item#: 28679
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M10-1.25 x 30mm

Item#: 55608
DV_ZoomOriginal_P_11056.jpg

Serrated Hex Flange Nut Alloy Steel M6-1

Item#: 28699
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M6-1 x 12mm

Item#: 28678
DV_ZoomOriginal_P_2035_WB.jpg

Hex Flange Bolt Grade 10.9 M6-1 x 25mm

Item#: 28681
DV_ZoomOriginal_P_2002.jpg

DIN 125A Flat Washer Grade 140 HV M6

Item#: 80261
DV_ZoomOriginal_P_2016.jpg

Hex Flange Nut Grade 10 Steel M10-1.5

Item#: 59769

Your Recently Viewed Items