327A0 is a special insert nut or bush.

Relevant features:

• Short lenght, ideal for flat panel, with M8 inner metric thread
• Double hex recess:
  it could be used with one single hex in more positions or if you need higher torque value you can use double hex tools
• You can use it in two ways: by screwing it or by pushing it (insertion). In this second option the insertion time is lower.
• Very good pull out resistance due to special thread profile.
• Could be suitable for a wide range of materials