Product#  20120  1/4"
                20121  3/8"
                20122  1/2"
Weha small diameter core bits are excellent for anchor bolts, screws, brackets, etc.
The Weha non core will drill a complete hole, without leaving a core.
Excellent for: Granite, Marble, ES, concrete, Limestone, Travertine.
High Diamond content.
5/8-11 thread
Wet use
Max Rpm- 5000 rpm
May be used with hand tools, radial arm machines