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BackHomeHardware, Seals, & ConsumablesHardwareFastenersNuts178-3336: M8 x 1.25mm Hex Flange Nut
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178-3336: M8 x 1.25mm Hex Flange Nut
178-3336: M8 x 1.25mm Hex Flange Nut
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178-3336: M8 x 1.25mm Hex Flange Nut
178-3336: M8 x 1.25mm Hex Flange Nut
178-3336: M8 x 1.25mm Hex Flange Nut
178-3336: M8 x 1.25mm Hex Flange Nut
178-3336: M8 x 1.25mm Hex Flange Nut

Hex Flange Nut

Brand: Cat

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Warranty Information
Warranty Information

Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.

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Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.

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Warranty Information
Warranty Information

Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.

Need More Help? Contact Us

Find a DealerEmail
Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.

Need More Help? Contact Us

Find a DealerEmail
Parts diagram for 178-3336
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Description for part number 178-3336

Description:
Cat® fastener parts are designed for specific applications based on size, strength, clamp load, and past performance. This is information other manufacturers do not have. They are selected to last until rebuild or the life of the machine. While it may seem as though non-Cat hardware and fasteners are suitable for your machine, no other company knows your equipment like we do.
These nuts are used where a separate washer is not desirable.

Attributes:
*Cat Fasteners are manufactured to precise specifications and are built for durability, reliability, productivity
*Strength & Quality – Fasteners meet or exceed ISO, ASTM, ASME & SAE requirements.
*Cat bolts, nuts, and washers are designed to work together as a system for maximum clamping force.
*Coatings that meet special requirements for different applications (RoHS compliant).

Applications:
Cat bolts and the matching hardened washers and nuts form a performance based system which produces consistently high clamp loads. You can trust Cat Fasteners to help you build it, maintain it, or fix it - for most machine and workshop applications throughout the world.

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Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 178-3336

Units of Measure

USMetric

Thickness (mm): 8

Thickness (in): 0.315

Thread: RH Coarse

Nut Type: Hex Flange

Thread Size (in - TPI) (in): M8-1.25

Hand of Thread: RH

Material: Alloy Zinc,Carbon Steel

Coating: Zinc Flake-Black

Thread Size (mm): M8

Class or Grade: ISO 898-2 Class 12

Material Description: ISO Class 12 or SAE Grade 8 equivilent

Hole Thread Pitch: 1.25

Thread Size (dia x pitch) (mm): M8x1.25

Drive (mm): 13

Drive (in): 0.512

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Compatible Models for part number 178-3336

UNDERGROUND ART TRUCK

AD63

TRUCK ENGINE

C7 C9

WHEEL TRACTOR-SCRAPER

631K

LOAD HAUL DUMP

R1700

LOAD, HAUL, DUMP

R1700K

OFF HIGHWAY TRUCK

777 796 AC 794 AC 798

MOTOR GRADER

120M

TRACK-TYPE TRACTOR

D6 D5 D8T D9T

MARINE ENGINE

3056

PIPELAYER

PL83 PL87

EXCAVATOR

349D L 330D MH 329D L 323F SA 336D 324D 349D2 L M325D MH 326D L 340D2 L 340D L 336D2 GC 329D 345D 345D L 349D2 336D L 336D2 329D2 L M315 329D2 345C MH M325D L MH 349D 324D L 330D L

MOBILE HYD POWER UNIT

329D L 340D2 L

MULTI TERRAIN LOADER

257B 247B

COMPACT TRACK LOADER

259D 259D3

WHEEL TRACTOR

631K

GENERATOR SET

G3516H 3508B G3520H

BACKHOE LOADER

430F 420D 416C 416D 420F

COLD PLANER

PM820 PM825 PM822 PM620 PM622

ELECTRIC ROPE SHOVEL

7495 HF 7495

TELEHANDLER

TH407C TH337C TL1055D TH414C TL1255D TH406C TH336C TH514C TH417C

WHEEL LOADER

980 XE 966F II 950GC 950 GC 924G 980H 930K 982 XE

ARTICULATED TRUCK

730 735

ROTARY/TRACK DRILLS

MD6640

SKID STEER LOADER

226B 252B 242D3 216B 216 242B 228 226 236 232B 248 246 236B 236D3

INDUSTRIAL ENGINE

C1.5 3034

TRUCK

785 775G 789D 773E 773G 794 AC

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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

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