DuAl EX Hob

• Great performance without coating after regrinding.
• Applicable for wet and dry hobbing.
• Achieves high performance in conventional dry cutting condition.
  (cutting speed : 150m/min)
• Improved stickness, toughness and anti-adhesion by DuAl EX coating of multi elements.
• NACHI developed Special FMH for HOBs of which features are excellent anti-chipping, wear-resistance and heat-resistance.

DuAl VX Hob

• Specialized Coating which is better for re-grinding excel for wear resistance and unite with substructure.
• Applicable for wet and dry hobbing.
• Achieves high performance in conventional dry cutting condition.
  (cutting speed : 80 to 150m/min)
• Realized high stable Hobbing because of Newly developed melted HSS (FMH-VX) which is high heat resistance, stability and improved heat treat process.