Screw Flat Head

Enhance your heavy equipment performance with the Case Construction Screw Flat Head #86511977. Designed for durability and precision, this essential part ensures secure assembly and reliable operation in your construction machinery. Trust Case for quality and efficiency on the job site.

Compatible equipment

This part fits SPEEDROWER SELF-PROPELLED WINDROWER, CASE IH GRINDER-MIXER, VERSATILE 4WD TRACTOR, VERSATILE SERIES-2 4WD TRACTOR - 1977, VERSATILE SERIES-2 4WD TRACTOR - 1981, VERSATILE TRACTOR LOADER ATTACHMENTS, NH PULL TYPE FORAGE HARVESTER, VERSATILE TRACTOR - 1981, VERSATILE TRACTOR - 1982, NH SP FORAGE HARVESTER, NH SQUARE BALER, NH GRINDER MIXER, LOADER LANDSCAPER, SERIES 3 LOADER LANDSCAPER TIER 3 - ASN N8C510600, LOADER LANDSCAPER - LIVERY - TIER 4B, LOADER LANDSCAPER - TIER 4B, LOADER LANDSCAPER - TIER 4A ASN NCC570600, LOADER BACKHOE (NORTH AMERICA), SERIES 2 LOADER BACKHOE - ASN JJG0239360, LOADER BACKHOE - BSN JJG0239361, LOADER BACKHOE, SERIES 2 LOADER BACKHOE - ASN JJG0210575, CASE TURBO HORIZONTAL DIRECTIONAL DRILLING MACHINE, SICKLE BAR ATTACHMENT, NH ROW CROP UNIT, NH 6 FT SICKLE BAR UNIT, NH 7 FT SICKLE BAR UNIT, NH 8 FT SICKLE BAR UNIT, SPEEDROWER WINDROWER, CASE IH PULL-TYPE FORAGE HARVESTER, NH SKID STEER LOADER, SKID STEER LOADER, LOADER BACKHOE USED ON & BSN 735311, TRACTOR LOADER (REVISED 05/2005), TRENCHER, WISCONSIN 2 CYL GAS ENGINE, TRACTOR LOADER - NA, TRACTOR LOADER TIER 3 (NA), TRACTOR LOADER - TIER 4A, WISCONSIN 4 CYL GAS ENGINE including models 1100, 1260, 1360, 150V, 1600, 160V, 1890, 1895, 270, 271, 272, 351, 352, 354, 570LXT, 570MXT, 570N EP, 570NXT, 580L, 580SL, 590L, 590SL, 590SM, 6010, 6030.

Frequently asked questions

What is the part number?

The manufacturer part number is 86511977.

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.