Wood hole saw

Master Cobalt® Bi-Metal Hole Saws Premium line of professional quality bi-metal hole saws feature an M3 high-speed steel cutting edge, electron beam welded to a tough steel backer. Caps stand up to abuse and punishment, yet are lighter and easier to use than those of competitors. Cutting depth is 1-1/2" (38mm). Arbor required. Features & Benefits: -Positive rake teeth provides better chip clearance -38mm (1-1/2") cutting depth will cut through a 2 x 4 -Requires a separate arbor. -Variable pitch teeth reduces friction and heat -Expanded gullets allow for faster cutting and increased blade life -Better tooth match for better chip clearance and smoother cutting -Reinforced tooth flank makes teeth stronger for longer life and resistance to tooth strippage. Applications: Wood, plastic, machinable metals, stainless steel alloys, nail-embedded wood