Brass Beads 1)6-20mm diameter 2)Solid and hollow 3)Thickness customized 4)Drilled Brass Beads1) Specifications: diameter from 0.8mm to 2000mm2) Material No. 59-1, H62, Red Copper3) Grade: 100-10004) Hardness≤HRC205) Surface Treatment: Polished, smooth and sheeny.6) Applications: be widely used for fuel injectors, sprayers, valves, transmission system,jewelly, bracelet, earrings, necklaces, ...