Which screw types does Bochem use?


For Bochem-bossheads the following different screw types are used:

  • Type 1: Thumb screw M8
  • Type 2: Heart screw M6
  • Type 3: Socket screw M6
  • Type 4: Safety screw type "heart"M8
  • Type 5: Safety screw type "thumb" M10

With the standard articles we indicate in the product info table the used screw type. For customer designed products and high quantity orders the screw type can be chosen.

Link to BOCHEM-bossheads:



Type 1


Type 3


Type 5


Type 2


Type 4



Swiveling steel head of 
safety screws t
ype 4 and 5