Precision made plug makers for use on natural timber exactly matching the holes produced by the Saw Tooth Forstners groups 1306 & 1307.
These have four to six wings to ensure a clean cut. Use a slow constant feed rate ensuring timber is clamped to bed of drilling machine.
Do not use these tools on abrasive timber or hard plastics or metal.
Not suitable for use with a router.
Not for use with hand held power tools or routers.

Specification:
D=1 5/8 inches
D=41.3 mm
OL=160.2 mm
Shank Dia=1/2 inch
Shank Length=50.8 mm
Recommended max. speed=500 rpm