Irwin 373438BX 4-3/8" Linear Edge Bi-Metal Hole Saw Ancra yet it provides power (at

yet it provides power (at 40 foot-pounds of torque) and speed for professional control and access on all types of work

Main screw is made from machined steel with a rolled 2-start acme thread for wear-resistance and smooth operation

The 135 degree split point ensures a true start and eliminates bit walking

Columbian by Wilton Aviation Snip Set 3pc

Designed to Attack: Unique blade geometry positions the blade for optimum cutting performance

Irwin 373438BX 4-3/8" Linear Edge Bi-Metal Hole Saw Ancra yet it provides power (atBi metal hole saws variable depth gullets provide more efficient chip clearance 4 6 variable pitch teeth for reduced noise and improved performance electron beam weld for stronger, longer lasting teeth bi metal construction for toughness and long life