Counterbores

These are manufactured to DIN standards to suit most metric cap screws. We also offer an imperial range manufactured to suit British and US standard cap screws. 

Application:

  • To machine a recess in a pre drilled hole to allow a cap screw to sit flush with the work piece surface.
  • The fixed pilot helps to create a rigid and concentric recess.

Availability

  • Stock item for next day delivery. Standard sizes can usually be modified to suit special size requirements.
A popular choice for recessing pre-drilled holes to suit cap head screws. We have adopted the successful positive rake flute geometry with a curved and smooth finish to aid chip removal.
A popular choice for recessing pre-drilled holes to suit cap head screws. We have adopted the successful positive rake flute geometry with a curved and smooth finish to aid chip removal.
A popular choice for recessing pre-drilled holes to suit cap head screws. We have adopted the successful positive rake flute geometry with a curved and smooth finish to aid chip removal.