60 Pcs 6-32×5.5mm/5mm/8.55mm/9.5mm/10.8mm/12.3mm Alloy Steel Flat Head Screw
60 Pcs 6-32×5.5mm/5mm/8.55mm/9.5mm/10.8mm/12.3mm Alloy Steel Flat Head Screw for Red Dot Sight. Includes 10 screws of each size plus, total 60 screw. Screws crafted from hardened steel, Screw strength grade :12.9, hardness :HRC 39-44, tensile strength :1220 N/mm².