Each of our plants has integrated manufacturing system to meet your any needs, using such as cold forging, machining, heat treatment, plating and so on.
《Materials》 Materials are selected in consideration of steel materials and plastic workability to maintain its strength. 《Cold Forming》 Cut the material, and form a head and a body by plastically processing. 《Rolling》 Form a screw thread by using a tool called screw dice. 《Cutting》 Cut precisely to meet customer’s specification. 《Heat Treatment》 Hardening and tempering make bolt’s strength positive. 《Plating Process》 Apply electrogalvanizing and chromating process to bolt to prevent rust.
BOLTZ installed Horizontal multistage-type forging machine, called "former", to correspond for complex profiling of the product. BOLTZ works toward to the best suppliler regarding quality, delivery date and prices.
BOLTZ makes an effort for environmental maintenance to grow up a person who think and act for oneself.