Hex Capscrew W/ Washer 5/16in-18

Enhance your heavy equipment’s performance with the Case Construction Hex Capscrew with Washer – 5/16in-18 #88346. Designed for durability and reliability, this essential component ensures secure fastening for optimal operation in demanding environments. Perfect for your construction needs!

Compatible equipment

This part fits DAVIS TASKFORCE SUPER TRENCHER, CASE CRUZ-AIR WHEELED EXCAVATOR, CASE CRAWLER EXCAVATOR - DUAL POWER ELECTRIC & DIESEL ENGINE, CASE LONG TRACK/TURNABLE LEVELER CRAWLER EXCAVATOR, CASE CRAWLER TRACTOR, CRAWLER DOZER, DROTT CRAWLER EXCAVATOR, CASE UNI-LOADER SKID STEER LOADER, UTILITY BACKHOE, POCLAIN CRAWLER EXCAVATOR, LOADER AND BACKHOE, BACKHOE, LOADER, DAVIS FLEETHOE TRENCHER, CASE/BELOIT SKID KING WHEEL LOADER, CASE SKID KING WHEEL LOADER, CASE FORKLIFT, BACKHOE AND LOADER FOR 530CK TRACTORS, BACKHOE FOR W7, W9A, W9B, W10, CASE WHEEL TRACTOR, BACKHOE AND LOADER, BACKHOE FOR 310G AND 450 CRAWLER, BACKHOE FOR 580CK, BACKHOE FOR W SERIES RIGID LOADERS, BACKHOE FOR CRAWLER MODELS 750, 850, 1150, BACKHOE FOR 680CK TRACTOR, BACKHOES FOR CRAWLER MODELS 750, 850, 1150, SERIES A INTERNATIONAL LOADER TRACTOR, BACKHOE FOR 450, 450B, 850, 850B, AND W14, LOADER AND BACKHOE FOR 580CK SERIES B, CASE G.P. & L.C.G. WHEEL TRACTOR, CASE LOADER/LANDSCAPER TRACTOR, DROTT SERIES-B FELLER/BUNCHER CRAWLER EXCAVATOR, DROTT SERIES-A CRAWLER EXCAVATOR, DROTT SERIES-B CRAWLER EXCAVATOR, INTERNATIONAL HARVESTER COMPACT LOADER, CASE CONSTRUCTION KING WHEEL TRACTOR, CASE TRENCHER, CASE CONSTRUCTION KING LOADER BACKHOE, CASE WHEEL TRACTOR W/LOADER BACKHOE, CASE CONSTRUCTION KING FORKLIFT, CASE LONG TRACK CRAWLER TRACTOR, IND - CASE CRAWLER TRACTOR, CASE CONSTRUCTION KING TRACTOR W/SHUTTLE TRANSMISSION, CASE CONSTRUCTION KING WHEEL TRACTOR W/HYDROSTATIC TRANSMISSION, ELECTRIC FOUR WHEEL DRIVE, 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 TURBO HORIZONTAL DIRECTIONAL DRILLING MACHINE, SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005, SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006, SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008, DAVIS TASK FORCE TRENCHER, CRAWLER DOZER TIER 3, POCLAIN WHEELED EXCAVATOR, MOTOR GRADER - ASN 020001, MOTOR GRADER TIER 2- BTW 020101-020187, CASE TURBO TRENCHER, MOTOR GRADER - ASN 022001, MOTOR GRADER TIER 2 - ASN 022101, MOTOR GRADER - ASN N5AF04007, CASE CRAWLER EXCAVATOR, MOTOR GRADER - ASN 024001, MOTOR GRADER TIER 2 - BTW 024102-024129, CASE TURNTABLE LEVELER CRAWLER EXCAVATOR, MAXI-SNEAKER CABLE LAYER, SERIES-B MAXI-SNEAKER CABLE LAYER, CASE TRENCHER W/2.1L ENGINE, TRENCHER - STEERING WHEEL SUPPLEMENT, MINOTAUR COMPACT DOZER LOADER, CASE TRENCHER W/LOADER BACKHOE, DAVIS FLEETLINE 70+4 TRENCHER, SNEAKER - SERIES-C TRENCHER, SNEAKER C - 25+4XP TRENCHER, DAVIS MINI-SNEAKER CABLE LAYER, DAVIS FLEETLINE 30+4 SUPER TRENCHER, DAVIS FLEETLINE 40+4 SUPER TRENCHER, DAVIS FLEETLINE 30+4 TRENCHER, DAVIS FLEETLINE 40+4 TRENCHER, SMALL ARTICULATED LOADER, SKID STEER LOADER, SKID STEER LOADER - NRC, SKID STEER LOADER - TIER 4F - NA, SKID STEER LOADER - S5 NA, REGULATED NA - TIER 4 - MY26, REGULATED NA, TIER 4 - MY26, COMPACT TRACK LOADER, COMPACT TRACK LOADER - TIER 4F - NA, COMPACT TRACK LOADER - NRC, CASE UNIT LOADER, CASE WHEEL LOADER, CASE WHEEL LOADER W/POD CAB - NEW YORK STATE SPECIAL, CASE ARTICULATED WHEEL LOADER including models 1000, 1085B, 1085C, 1086B, 1088, 1150B, 1150M LT, 1150M WT, 1150M WT/LGP, 120, 1450, 1450B, 1455B, 1550, 1650M LGP PAT, 1650M WT/LGP, 1650M XLT, 1650M XLT BD, 1650M XLT PAT, 1816, 1818, 1825B, 1835, 1835C, 1838.

Frequently asked questions

What is the part number?

The manufacturer part number is 88346.

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.

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.