Countersunk Socket Head Screw Din7991

DIN7991 flat inner hex screw enables flush installation fully sunk into workpieces.

Materials: Grade 8.8/10.9/12.9 carbon steel, 304/316 stainless steel; finishes: zinc plating, black oxide, passivation.

Features: 90-degree countersunk head, internal hex drive; full metric sizes M2–M24, custom lengths supported.

Selling Points: Smooth flat surface without protrusion; high tensile strength; compact for narrow space; in stock, OEM customization, factory direct price.

Applications: Precision molds, electronic devices, instruments, furniture, automotive parts and equipment requiring flat assembly surfaces.