Because the collet is an integral part of the tool, an ACT collet-less boring bar needs only to be loaded and tightened in its toolholder. Standard boring bars require a collet to hold it in the ...

Boring, also called internal turning, is used to increase the inside diameter of a hole. The original hole is made with a drill, or it may be a cored hole in a casting. Boring achieves three things: ...

Dialing in fine boring heads with just a Vernier dial screw can be tricky. When you’re trying to hold a bore to a few tenth’s, it can often take multiple test cuts before getting the ID tolerance just ...