Bulk 1/2"-20 Button Head Socket Cap Screws – Alloy Steel, Black Oxide Length:125 Qty - 1/2"-20 x 4" secure fit is essential—such as

secure fit is essential—such as attaching door hinges or working with thin materials—and enjoy a cleaner

offering high-strength engagement and vibration resistance

These anchors are engineered for the toughest jobs

Applications: Ideal for heavy-duty metal fastening where thread strength and reliability are critical

50 (Fine Thread)

Bulk 1/2"-20 Button Head Socket Cap Screws – Alloy Steel, Black Oxide Length:125 Qty - 1/2"-20 x 4" secure fit is essential—such asMonster Overview: Fix your project right the first time with Bulk 1 2 20 Button Head Socket Cap Screws from Monster Bolts. These high strength fasteners are precision made from ASTM A574 Alloy Steel and finished with a thermal black oxide + oil coating for a professional black appearance and mild corrosion protection. The fine thread (UNF) design allows for greater tensile strength and better resistance to vibration loosening, making these screws