Bulk 5/8"-18 Flat Head Socket Cap Screws – Alloy Steel, Black Oxide – Monster Bolts 440262 Undercut Flat Head: 82° countersunk

Undercut Flat Head: 82° countersunk head with undercut shank seats flush while retaining thread depth in thin materials

Inch Washers for a perfect fastening solution

High Strength: Alloy steel delivers superior tensile strength and torque resistance for demanding projects

Button Head Design: Rounded

Screws are passivated for extra rust protection and finished with a factory dry-wax film for predictably low seating torque

Bulk 5/8"-18 Flat Head Socket Cap Screws – Alloy Steel, Black Oxide – Monster Bolts 440262 Undercut Flat Head: 82° countersunkMonster Overview: Built for high clamp loads and clean, low profile installations, Bulk 5 8" 18 Flat Head Socket Cap Screws are manufactured from premium alloy steel and finished with a durable thermal black oxide coating. The 82 flat head seats fully flushideal for machinery, fixtures, and industrial fabrication where clearance and appearance matter. All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship directly from our U.