1)brass bolt and nut use for heating equipment,machine parts hardware 2)produce all kinds of hardware ... goods,plastic goods,molds 1.Name: brass bolt and nut use for heating equipment 2. Material: Bress 3. Craft: die- ... , polishing powder coating, nickel plating etc. 5. Application : track bolt for heating equipment 6. Dimension: According customers' requirements7. Color: bress8. Price and ...