This picture demonstrates how a student assured their countersink depth was perfect. The screw is standing on its head, in the newly bored countersink hole. As you can see, the diameter of the new countersink hole is exactly the right size to cleanly accept this screw.
This picture demonstrates how a student assured their countersink depth was perfect.
ReplyDeleteThe screw is standing on its head, in the newly bored countersink hole.
As you can see, the diameter of the new countersink hole is exactly the right size to cleanly accept this screw.