CASE CONSTRUCTION OEM Part No. 280373

Hex Bolt Grade 5

Bolts And Screws ·44 Fitments

$3.35 USD · per unit Available
Ships fastFrom our warehouse
30-day returnsNo restocking fees
OEM guaranteedDirect from manufacturer
Machine Model Years
WINCH 19 1965 – 1987
BACKHOE 26 1965 – 1975
BACKHOE 26B 1965 – 1975
LOADER 26B 1965 – 1975
BACKHOE 26S 1965 – 1975
CASE/BELOIT SKID KING WHEEL LOADER 300 1968 – 1969
BACKHOE 31 1960 – 1963
BACKHOE 310C 1959 – 1962
CASE CRAWLER TRACTOR 310E 1961 – 1990
BACKHOE FOR W7, W9A, W9B, W10 32 1962 – 1967

Enhance your heavy equipment’s durability with the Case Construction Hex Bolt – Grade 5 #280373. Engineered for strength and reliability, this high-quality bolt ensures secure connections, making it essential for maintaining optimal performance in demanding construction environments.

Compatible equipment

This part fits WINCH, BACKHOE, LOADER, CASE/BELOIT SKID KING WHEEL LOADER, CASE CRAWLER TRACTOR, BACKHOE FOR W7, W9A, W9B, W10, CASE WHEEL TRACTOR, BACKHOE FOR W SERIES RIGID LOADERS, BACKHOES FOR CRAWLER MODELS 750, 850, 1150, CASE WHEEL TRACTOR W/LOADER BACKHOE, CASE CONSTRUCTION KING WHEEL TRACTOR, CASE CONSTRUCTION KING LOADER BACKHOE, CASE TERRATRAC CRAWLER TRACTOR, CASE CONSTRUCTION KING TRACTOR W/SHUTTLE TRANSMISSION, CASE CONSTRUCTION KING WHEEL TRACTOR W/HYDROSTATIC TRANSMISSION, CASE CONSTRUCTION KING LOADER BACKHOE - 4WD SUPPLEMENT, CASE CONSTRUCTION KING LOADER BACKHOE - TURBO SUPPLEMENT, CASE SUPER-D CONSTRUCTION KING LOADER BACKHOE, CASE CONSTRUCTION KING FORKLIFT, CASE TERRATRAC GASOLINE CRAWLER TRACTOR, CASE TRENCHER, CASE TURBO TRENCHER, MINI CRAWLER EXCAVATOR, CASE BACKHOE, CASE FORKLIFT, CASE UNIT LOADER, CASE WHEEL LOADER including models 19, 26, 26B, 26S, 300, 31, 310C, 310E, 32, 320B, 34, 400, 420B, 420BD, 480B, 480C, 500, 520, 580B, 580C, 580D, 580G, 580SD, 584C, 585C.

Frequently asked questions

What is the part number?

The manufacturer part number is 280373.

Is this a genuine OEM part?

Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.

Will this fit my machine?

See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.

Where does this ship from?

Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.

Manufacturer part number
280373
Internal SKU
IC:280373
Brand
CASE CONSTRUCTION
Condition
OEM, new
Category
Bolts And Screws
Weight
0.57 lb

Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.

30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.

This part appears in these diagrams

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