Solid brass.
465 ASSORTED PIECE SOLID BRASS METRIC FLAT FORM A WASHERS M3 M4 M5 M6 M8 KIT
SOLID BRASS METRIC HEX HEXAGON FULL NUTS FOR BOLTS & SCREWS M2, TO M20 DIN 934
Solid Brass Metric Hexagon Head Bolts Fully Thread Screws M3 M4 M5 M6 M8 M10 M12
SOLID BRASS DOME NUTS HEXAGON DOME NUT FOR METRIC SCREWS M4 M5 M6 M8 M10 M12
M3 M4 M5 M6 M8 SOLID BRASS NUTS FULL HEXAGON NUT TO FIT METRIC BOLTS & SCREWS
SOLID BRASS DOME NUTS FOR METRIC BOLTS & SCREWS M3 M4 M5 M6 M8 M10 M12
