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HomeHardware, Seals, & ConsumablesHardwareFastenersNuts6V-8181: 5/8''-18 Hex Nut
HomeHardware, Seals, & ConsumablesHardwareFastenersNuts6V-8181: 5/8''-18 Hex Nut
6V-8181: 5/8''-18 Hex Nut

Cat® 5/8" Steel Hexagonal Full Nut

Brand: Cat

Product Images
6V-8181: 5/8''-18 Hex Nut
6V-8181: 5/8''-18 Hex Nut
6V-8181: 5/8''-18 Hex Nut
6V-8181: 5/8''-18 Hex Nut
6V-8181: 5/8''-18 Hex Nut

Cat® 5/8" Steel Hexagonal Full Nut

Brand: Cat

Warranty Information
Return Policy
DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 6V-8181

Units of Measure

USMetric
Material: STEEL,Alloy Zinc,Carbon Steel
Thickness (mm): 13.89
Thickness (in): 0.547
Height (in): 0.55
Nut Type: Hex
Drive (in): 0.937
Thread Size (in - TPI) (in): 5/8-18
Material Description: 20+% stronger than SAE J995 Grade 8
Hand of Thread: RH
Thread Size (in): 0.025
Coating: Zinc
Class or Grade: Cat/sae J995 Grade 8+ (170 Ksi)
Thread Size (mm): 0.625
Thread Size (dia x pitch) (mm): 5/8x18
Drive (mm): 23.81
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Compatible Models for part number 6V-8181

INTEGRATED TOOLCARRIER

IT62G IT18B IT28 IT18 IT38G IT28B

WHEEL TRACTOR-SCRAPER

623 623K LRC 623K

LOAD HAUL DUMP

R1700 II

WINCH

57H 56H 59N 59L 58L 53 57 56 59 58

MOTOR GRADER

120G 24 16M 140G 16G 130G 14G 12G 24H 24M 160G

BACKHOE

D3 931

TRACK-TYPE TRACTOR

D6H XL D6H XR D6G2 LGP D6H II D3K2 XL D3B D4B D6F SR D6D D7G2 D6E D6G D6H D6G SR D7G D7H D2 D1 D3 D4K2 LGP D8R D8L D8N D9R D9N D6G2 XL D5K2 LGP D3K2 LGP D10N D10R D10T D4E SR D11N D5K2 XL D4K2 XL

WHEEL SKIDDER

518 518C

ASPHALT PAVER

AP1055 AP-1000F AP-1055F AP1000

PIPELAYER

578 589

MINING EXCAVATOR

5130 5130B

VIBRATORY COMPACTOR

CP-533C CS-323C CS-563 CS-533 CP-563 CP-323C CS-533C CP-563C CP-533 CS-563C

PETROLEUM PACKAGE

TH48-E80 TH48-E70

WHEEL TRACTOR

651E 615 631E 623G 623H 623E 623F 657E 621E 621F 621G 615C 627G 627E 627F 613C 637E

ROTARY MIXER

RM800

RECLAIMER MIXER

RM400 RM800 RM-250C

TRACK LOADER

931C II 935C 935B 931B 931C 935C II

PETROLEUM ENGINE

3512C 3512B

PETROLEUM TRANSMISSION

TH48-E80

SOIL COMPACTOR

825C 815B

EJECTOR TRUCK

D400E II

WHEEL DOZER

814B 824C

LANDFILL COMPACTOR

826C 816B

COMPACT WHEEL LOADER

910

WHEEL LOADER

960F 988F II 950B 950E 950G 950F 962G G926 916 G916 926 936 966D 966F 966E G936 980F II 966F II 950B/950E 936E 936F 980C 980F 938G 926E 970F 950F II

SOIL STABILIZER

SS-250B SS-250

ROAD RECLAIMER

RM800 RR-250 RR-250B RM400 RM600

ARTICULATED TRUCK

D30D D250E II D400E D400D D25D D350E D350D D350E II D40D D400E II D300E II

RIPPER

11 10 3 7 6 9 8

TRUCK

777C

WHEEL SCRAPER

651E 631E 621E 657E 623F 623E 637E 627E

GAS ENGINE

G3406

TRACTOR

776C

BULLDOZER

10SU 7SU 6SU 11SU 8U 9U 6A 6S 11U 7A 7S 7U 10U 8A 9SU 3S 3P 8SU

FELLER BUNCHER

FB518

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KeyKey
Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced