Hex Bolt Grade 5 3/8in-16 X 3 1/2in

Enhance your heavy equipment’s durability with the Case Construction Hex Bolt – Grade 5. Measuring 3/8in-16 x 3 1/2in, this reliable fastener ensures secure connections for optimal performance in demanding construction environments. Part #88959.

Compatible equipment

This part fits DAVIS TASKFORCE SUPER TRENCHER, CASE CRAWLER EXCAVATOR, CASE CRUZ-AIR WHEELED EXCAVATOR, CASE CRAWLER TRACTOR, CASE LOGGER CRAWLER EXCAVATOR, CASE TRIMLINE TRENCHER, CRAWLER DOZER TIER 2, CRAWLER DOZER, SERIES - CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER, SERIES 3 CRAWLER TIER 3, CASE GASOLINE ENGINE, 4 CYLINDER DIESEL ENGINE, DIESEL ENGINE SUPPLEMENT, BACKHOE, LOADER, CASE/BELOIT SKID KING WHEEL LOADER, CASE SKID KING WHEEL LOADER, BACKHOE AND LOADER FOR 530CK TRACTORS, BACKHOE FOR W7, W9A, W9B, W10, BACKHOE AND LOADER, BACKHOE FOR 310G AND 450 CRAWLER, BACKHOE FOR 580CK, BACKHOE FOR W SERIES RIGID LOADERS, ARTICULATED TRUCK, DROTT ENGINES FOR 35 CRAWLER - B SERIES, CASE ENGINE, BACKHOE FOR CRAWLER MODELS 750, 850, 1150, BACKHOE FOR 680CK TRACTOR, BACKHOES FOR CRAWLER MODELS 750, 850, 1150, ARTICULATED TRUCK S/N: UNTIL HHD000754, SERIES A INTERNATIONAL LOADER TRACTOR, BACKHOE FOR 450, 450B, 850, 850B, AND W14, CASE LOADER BACKHOE ATTACHMENTS, LOADER AND BACKHOE FOR 580CK SERIES B, DROTT SERIES-A CRAWLER EXCAVATOR, INTERNATIONAL HARVESTER COMPACT LOADER, CASE CONSTRUCTION KING WHEEL TRACTOR, CASE CONSTRUCTION KING LOADER BACKHOE, CASE LOAD KING WHEEL LOADER, CASE CONSTRUCTION KING FORKLIFT, 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 SUPER-E CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-K CONSTRUCTION KING LOADER BACKHOE, TURBO LOADER BACKHOE, CASE TERRATRAC GASOLINE CRAWLER TRACTOR, CASE TRENCHER, MOTOR GRADER - ASN 020001, MOTOR GRADER TIER 2- BTW 020101-020187, CASE LONG TRACK CRAWLER TRACTOR, CASE TURBO TRENCHER, MOTOR GRADER - ASN 022001, MOTOR GRADER TIER 2 - ASN 022101, MOTOR GRADER - ASN N5AF04007, MOTOR GRADER - ASN 024001, MOTOR GRADER TIER 2 - BTW 024102-024129, MINI CRAWLER EXCAVATOR, CANOPY - STAGE V, MINI CRAWLER EXCAVATOR, ELECTRIC, ROLL-BAR, MINI CRAWLER EXCAVATOR, CAB - STAGE V, MINI CRAWLER EXCAVATOR, 2 PIECE BOOM, CAB - STAGE V, MINI CRAWLER EXCAVATOR, 2 PIECE BOOM, CANOPY - STAGE V, MINI CRAWLER EXCAVATOR, CAB - STAGE V MY24, MINI CRAWLER EXCAVATOR, CANOPY - STAGE V MY26, MINI CRAWLER EXCAVATOR, 2 PIECE BOOM, CAB - STAGE V MY24, TRENCHER - CASE 188 DIESEL ENGINE, TRENCHER - CASE 207 DIESEL ENGINE, MINOTAUR COMPACT DOZER LOADER, SMALL ARTICULATED LOADER, SKID STEER LOADER, SKID STEER LOADER - NRC, SKID STEER LOADER - TIER 4F - NA, VIBRATORY ROLLER, SKID STEER LOADER - S5 NA, SKID STEER LOADER - TIER 3 - ROW, REGULATED NA - TIER 4 - MY26, REGULATED NA, TIER 4 - MY26, MINI TRACK LOADER 1000 - STAGE V, COMPACT TRACK LOADER, COMPACT TRACK LOADER - NRC, COMPACT TRACK LOADER - TIER 3 - ROW, COMPACT TRACK LOADER - TIER 4F - NA, CASE UNIT LOADER, CASE WHEEL LOADER, CASE WHEEL LOADER W/POD CAB - NEW YORK STATE SPECIAL, CASE ARTICULATED WHEEL LOADER including models 1000, 1080, 1080B, 1085B, 1086B, 1150B, 1150D, 1155D, 1187, 1187B, 120, 1280, 1280B, 1450, 1450B, 1455B, 1550, 1650K, 1650K XLT, 1700, 1816, 1825B, 1835, 1845S, 1850K.

Frequently asked questions

What is the part number?

The manufacturer part number is 88959.

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.

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.