Screw Hex Soc

Enhance your heavy equipment performance with the Case Construction Screw Hex Soc #320772. Designed for durability and precision, this essential part ensures reliable operation in demanding environments, making it a must-have for any construction professional.

Compatible equipment

This part fits CRAWLER DOZER, POCLAIN CRAWLER EXCAVATOR, CASE CRAWLER EXCAVATOR, DROTT LOGGER & HEAVY DUTY CRAWLER EXCAVATOR, COMPACT WHEEL LOADER HS, ZB - STAGE V, SKID STEER - 440 NA BSN N8M474469, 440 EU BSN N8M407542, SKID STEER - SERIES 3, 440 NA ASN N8M474469, 440 EU ASN N8M407542, COMPACT TRACK LOADER - BSN N7M483467, COMPACT TRACK LOADER - SERIES 3, ASN N7M483467, SKID STEER, TIER 2, P.I.N. N7M458414 & PRIOR, SKID STEER, TIER 3, P.I.N. N7M464019 & AFTER, COMPACT TRACK LOADER - BSN N7M464019, COMPACT TRACK LOADER - SERIES 3 ASN N7M464019, SKID STEER - TIER 3 ASN N7M452623, SKID STEER BSN N7M452623, LOADER BACKHOE, SERIES 2 LOADER BACKHOE - ASN JJG0210575, 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, CASE WHEEL LOADER, POCLAIN WHEELED EXCAVATOR, CASE TURNTABLE LEVELER CRAWLER EXCAVATOR, CASE EXCAVATOR - TILTING TOOL ATTACHMENT W/QUICK COUPLER, EXCAVATOR - TIMBER KING SUPPLEMENT, SMALL ARTICULATED LOADER including models 1150M LT, 1150M WT, 1150M WT/LGP, 115CL, 160CK, 160CKS, 160CL, 170C, 220, 220CKS, 421G, 440, 440CT, 450, 450CT, 465, 590L, 590SL, 650K, 721C, 750K, 75C, 75P, 850K, 888.

Frequently asked questions

What is the part number?

The manufacturer part number is 320772.

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.