Bulk M20 Flat Head Socket Cap Screws – 12.9 Alloy Steel, Black Oxide Washer Type_Structural Finish: Zinc Yellow CR+3 for

Finish: Zinc Yellow CR+3 for corrosion protection and high visibility

these fasteners offer excellent strength and a clean

electronics

mechanical prototypes

and precise fit

Bulk M20 Flat Head Socket Cap Screws – 12.9 Alloy Steel, Black Oxide Washer Type_Structural Finish: Zinc Yellow CR+3 forMonster Overview: When your project demands both strength and a clean, flush finish, M20 Flat Head Socket Cap Screws from Monster Bolts deliver unmatched performance. Made from Class 12. 9 alloy steel with a durable thermal black oxide coating, these countersunk fasteners combine high tensile strength, precision machining, and a sleek, low glare appearance. The M12 hex drive ensures secure engagement for reliable torque control and repeatable assembly