|1. Material: carbon steel, bearing steel, cuprum |
2. Metal coating: cuprum, zinc, nickel, gold, plate gold, chromium, plate chromium, hard chromium
3. Consulting with customers about standard
4. Applied areas: machinery, instruments, ball valves, toys, stationery articles, decoration, sealing
5. Diameter: 8.7312mm-12.7mm
Carton case, carton box, plastic bag
Four boxes per case
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