Hex Washer Head

300 series Austenitic stainless body.
High Anti-Corrosion.
SCM435 alloy steel drilling point
Class 12.9 high tensile steel
Superior drilling performance.
Partial heat treatment.
Surface:White Zinc Rustpert Zinc-Tin coating

• M5.5 × 25
  #12-14 × 1
• M5.5 × 32
  #12-14 × 1-1/4
• M5.5 × 38
  #12-14 × 1-1/2