Description of Unitec 1 1 122 Tungsten Carbide Tipped Hand Held
11/16" X 1" TCT Hole Saw. Cut holes in steel plate up to 3/8" thick. Tungsten Carbide-tipped cutting edges last longer and can be run at higher speeds to create holes of exceptional quality and accuracy. 3/8" shank on cutters up to 3-1/4" dia, 1/2" shank on cutters 3-5/16" dia and longer
Runs like clockwork! Cut 28 holes in a row through 10 gram steel tubing and it will have plenty of life. It also cuts holes better than older hole saws. It works more like a core cutter! Good product
Pros
3/8" shank for router bits up to 3-1/4", 1/2" shank for router bits from 3-5/16"