Solid Bit: 7/8"

Fills a LT truck tire in under 4 minutes (30-45 psi)

The four fluted spiral shaft has improved dust removal resulting in less bending stresses

easy blade replacements

Loaded Speed BPM: 3

Milwaukee 49-22-4105 Hole Saw Kit Saw Stands Solid Bit: 7/8"19 Pc Master Electrician's Ice Hardened Hole Saw Kit The Milwaukee Ice Hardened 49 22 4105 Hole Saw Kit utilizes a proprietary cryogenic hardening process that improves upon traditional heat treat processes. Unlike surface coatings that wear away, cryogenics harden to the core by minimizing soft metal (austenite) and creating more hard metal (martensite). The result is a product that is more consistently hard throughout, resulting in life up to 50%