Special Drive Recesses

• TOUGH CROSS
  cam-out/ream-out prevention
  
• ＴＰＲ
  product for the special driving parts that have critical points to be kept inaccessible to users for protecting product functions
  
• TORX
  realizes accurate fastening, with effective transmission of torque
  
• ONE WAY RECESS
  removal prevention
  
• AUDI TORX
  used at critical points where screws should not be loosened by users for protecting the product functions