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HomeGround Engaging ToolsGround Engaging Tool Hardware & RetentionGround Engaging Tool Washers7X-0618: M12 ID Steel Flat Washer
HomeGround Engaging ToolsGround Engaging Tool Hardware & RetentionGround Engaging Tool Washers7X-0618: M12 ID Steel Flat Washer
7X-0618: M12 ID Steel Flat Washer

Cat® Hard Washer is a rigid flat disc used to evenly distribute load and prevent surface damage in fastening

Brand: Cat

Product Images
7X-0618: M12 ID Steel Flat Washer
7X-0618: M12 ID Steel Flat Washer
7X-0618: M12 ID Steel Flat Washer
7X-0618: M12 ID Steel Flat Washer
7X-0618: M12 ID Steel Flat Washer

Cat® Hard Washer is a rigid flat disc used to evenly distribute load and prevent surface damage in fastening

Brand: Cat

Warranty Information
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DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 7X-0618

Units of Measure

USMetric
Material: HARDENED STEEL,Low Alloy Steel,Alloy Zinc
Washer Type: Flat
Fits Bolt Sizes (in): 1/2
Fits Bolt Sizes (mm): M12
Coating: Zinc Flake-black
Outer Diameter (in): 1.575
Outer Diameter (mm): 40.0
Thickness (in): 0.197
Thickness (mm): 5.0
Thickness - 3 (mm): 5.0
Inside Diameter (mm): 13.5
Hardened: Yes
Inside Diameter (in): 0.531
Outside Diameter (in): 1.575
Outside Diameter (mm): 40.0
Outside Diameter (OD) - 2 (mm): 40.0
Finish Notes: Caterpillar is changing from Zinc Plating to a Zinc Flake finish for many washers. The new coating improves corrosion protection to 720 hours. Until stock of the current finish is depleted, you may receive either finish due to the exhaust process.
Inside Diameter (ID) - 1 (mm): 13.5
Finish: Zinc Flake
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Compatible Models for part number 7X-0618

GENERATOR

XQP550

TRUCK ENGINE

C13

INTEGRATED TOOLCARRIER

IT28 IT18 IT12B IT14F IT38H IT38G IT14G IT62G IT62H IT14G2 IT24F IT28G IT28F IT28B IT62G II IT18F IT18B IT38G II

WHEEL TRACTOR-SCRAPER

613G 657 651

ASPHALT COMPACTOR

CB8 CB7 CB10

WHEEL SKIDDER

535C 545C 525C

ROTARY DRILL

MD6310 MD6250 MD6200 MD6380

MINI HYD EXCAVATOR

308E CR 302.5 303.5E2 CR 308E SR 305C CR 305E2 CR 304E 305.5 308E2 SR 303.5 303.5C 303.5E 303.5D 307B 308E2CR 305.5E 303E CR 308E2 CR 308E2SR 304E2 CR 304D CR 304 305 303 306 305.5E2 CR 304.5

TRACK FELLER BUNCHER

1390 TK1051 552 2 TK752 TK751 541 2 TK741 2590 541 551 552

UNDERGROUND ARTICULATED TRUCK

AD22

WATER FORDING TRACTOR

D7R II

EXCAVATOR

345B II 349D L 215B 325B L 215C 215D 375-A L 336D2 L 322B 322C 345B 345C 345D 219D 312C L 330C FM 325B 349D 325C 345B L 345D L 320B 320C 336D2 L XE 320C L 350-A 336D LN 320E L 325B LN 349D2 330C L 336D2 320B LU 320B LL 340 349D2 L 330C LN 330C MH 345C MH 336D 312C 322B LN 325C L 330B LN 330D FM 315C 336D L 350-A L 322B L 320E LRR 345C L 336D2 GC 320B FM LL 320B S 320B N 320B L 330B 330C 330D 320B U 336D2 LXE 340D2 L 325C FM 330B L 330D L 330D MH 330D LN 320C FM 318C 345D L VG 340D L 219 215 336D2 XE 375-A 322C FM

MULTI TERRAIN LOADER

287B 287

COMPACT TRACK LOADER

249D3 249D

WHEEL TRACTOR

633E II 631E 613C II 637E

ROTARY MIXER

RM800

TRACK LOADER

933C 935C 935B 939C 973C 931B 931C 963 973 939 933 931C II 935C II

PETROLEUM TRANSMISSION

CX38-P892

PETROLEUM ENGINE

C15 C13 C18 C11

SOIL COMPACTOR

825 825H 825K 825C 825G II

BACKHOE LOADER

420F2 430E 430F 450E 450F 420XE 414E 416F2 415 416 420 434E 434F 432E 432F 430 440 450 416E 416F 430F2 442E 422F 422E 444F 420E 444E 415F2 420F 422F2 428F 428E

WHEEL DOZER

854G 834G 834H 844H 844K 844 824H 824C 824K 824 824G II

LANDFILL COMPACTOR

836 826 826G II 826C 826G 826H 826K 836H 836G 836K

PETROLEUM GEN SET

G3306B

TELEHANDLER

TH103 TH62 TH63 TH82 TH83 TH1055 TH1255

WHEEL LOADER

982XE 960F 966 XE 962H 962G 962L 986K 962K 962M G926 980XE 988G 988H G916 966H 966G 966L 966K 966M 950GC 924F 924H 924G 924K 928F 926E 926M 962 928H 928G 966 972 966 GC 972 XE 986 980 982 950G II 928HZ 995 990 993 992 916 980G II 926 924 930 936 938 950 982 XE 980 XE 980K HLG 924GZ 908 907 906 924HZ 990H 950 GC 972M XE 938G II 993K 992D 992C 992G 972XE 994F 994K 994H 966G II 972G 972H 972K 972M 972L 988GC 950G 950H 950K 950M 950L 930G 930H 930K 930M 936E 936F 962G II 938G 938H 938K 990 II 938M 918F 966XE 980GC 962M Z 950M Z 966K XE 972G II 966M XE 980H 980G 980L 980K 980M 982M 950F II

COMPACT WHEEL LOADER

920K 914 910 906 930 938 920 926 904H 904B 910G 910F 910E 910K 910M 914G2 914K 914M 914G 918M

SOIL STABILIZER

SS-250B SS-250

FORWARDER

574

ARTICULATED TRUCK

D400E II 740 GC 740 735C 735B 745 735 OEM 735 D350E II 740C 740B 745C

WHEELED EXCAVATOR

W330B M318F M313D M322 M330D M325C MH M325B

ENGINE - INDUSTRIAL

3516B

INDUSTRIAL ENGINE

C-15 C-16 C9 C32 C27 C18 C9.3 C9.3B C11 C13 C15

WHEEL SCRAPER

631G 631E 637E 637G

QUARRY TRUCK

777E 773E 772G 770G

ASPHALT SCREED

AS2252C AS2302C AS2251 AS2302 AS2301

LOGGER

322C 227

TRACTOR

784C 784B

BULLDOZER

D5C PAT 10SU D5C PATLGP 11U 10U 9SU 11SU 9U 4S 4P 5A 5P 5S 5A PAT

UNDERGROUND ART TRUCK

AD63 AD22

QUICK COUPLER

FUSION

OFF HIGHWAY TRUCK

777G 777E 773GC 785D 772 770 777 775 773 785

WINCH

53 55 59 58 54H 59N 59L 58L

OEM SOLUTIONS

TR35E44-C9.3BL

MOTOR GRADER

135H 140K 2 140M 3 140M 2 135H NA 140H ES 12M 3 AWD 12H NA 120H ES 140H NA 160M 3 AWD 24H 24M 160K 160H 140M 3 AWD 16H NA 14M-3 12H ES 14H NA 120H 24 16 14 18 120K 120 GC 140K 140H 143H 12M 3 12M 2 140 GC 163H NA 160M 2 160M 3 120H NA 18M3 160H ES 16M 160 150 14M 140 16GC 14H 12H 12K 14M3 160H NA 16M3 120K 2

ROTARY CUTTER

RC20

BACKHOE

D3 BH150 BH160 931

HYDRAULIC SHOVEL

6060

TRACK-TYPE TRACTOR

D3C II D10 D11 D6R II D3C III D3G D3B D3C D4B D4G D4H D4C D5R2 D5C D5H D5G D6N XL D6R D6T D6M D6N D6K D7E D6N LGP D3K2 LGP D7R XR D3K2 XL D6R XL D4C III D6K2 XL D5C III D7R D8T D8R D6K XL D9T D9R D9N D6T XW PAT D6K2 D7E LGP D6XE D9 GC D4H III 30/30 D6K2 LGP D9 D2 D1 D4 D3 D6 D5 D8 D10N D10R D10T D11N D11R D11T D7R LGP D6T LGPPAT D5H XL D6K LGP D10T2 D8R II D6T XL PAT D4H XL D4C II D5K2 XL D7R II

ASPHALT PAVER

AP1055 AP655 BG-240C BG555E AP-900B PE636 AP400 BG-260D BG-260C AP600 AP500F AP655F BG1000E AP-500E BG-2455D BG-2455C AP-1000B AP-1000E AP-1000D AP-1000F AP-555E BG-230 BG600D BG-2255C BG-230D AP455 AP500 AP-1050B AP-800D AP-800C AP555F AP-600D AP655F L AP600F AP-655C AP-655D AP-650B BG1055E AP-1055B AP-1055F AP-1055D AP-1055E BG-225C AP555 BG655D BG-245C BG500E AP1000

MARINE ENGINE

3516C

PIPELAYER

587T 587R PL87 PL61 583R 572R II 572R

STABILIZER MIXER

SM-350

MINING EXCAVATOR

5230B 5130 5230 5130B

ENGINE - GENERATOR SET

C7.1DE200E

VIBRATORY COMPACTOR

CP-533D CS-531D CS-533D

PETROLEUM PACKAGE

TH48-E80 TH48-E70 CX35-P800 CX31-C11I CX48-P2300 CX31-C15I TH31-C9T CX31-C13I TH35-C11I CX31-C18I TH35-C13T TH35-C13I TH35-C15T TH31-E61 TH35-C15I CX35-C18I CX31 TH35-E81 CX31-P600

MOBILE HYD POWER UNIT

330D L 336D L 325C 345C 345C L 340D2 L TH43-C18 336D 330D 330C

GENERATOR SET

C7.1DE150E C7.1DE150E0 C9 C4.4 C7.1DE200E C4.4DE55E2 C4.4DE88E0 C4.4DE88E3 C4.4 GEN S C4.4DE110E C6.6DE150E DG200 DE400SGC C9 GEN SET C7.1 DE350SGC DG175 DG50 C7.1 GEN S DE400GC DG80 DG70 C4.4DE65E3 DG60 G3306B C4.4DE110E2

RECLAIMER MIXER

RM-350B RM-350 RM800 RM-300 RM-250C

ENGINE

C15 C18 C13B C9.3

LOCOMOTIVE ENGINE

C32

EJECTOR TRUCK

D400E II 740B 740

COLD PLANER

PM620 PM622 PM-565B PM-465 PM-201 PM-565

WIDE BODY TRUCK

707

ROAD RECLAIMER

RM800 RR-250B RM600 RM-350B RR-250

CHALLENGER

55 65 75 75D 75C 75E 35 95E 45 70C MTC735 MTC745 MTC755 MTC765 65C 65B 65E 65D 85C 85E

TRANSMISSION

TR35

RIPPER

D5 11 10 3 5 4 9

SKID STEER LOADER

232D 249D3

INDUSTRIAL LOADER

415F2 IL

OFF-HIGHWAY TRUCK

D10R

THUMB

HYDRAULIC

WHEEL FELLER BUNCHER

573D 2570D 563D 2670D

TRUCK

773G LRC 775G 775F 777C 777B 777D 777G 777F 775G OEM 785 770G 795F XQ 793F 772G 773E 773G 797F 773F 772 770 775G LRC 772G OEM 770G OEM 785G 773G OEM 785C 785D 785B 793F AC

POWERTRAIN

TR35E44-C9.3B

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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