This bit design doesn't seem to jam in the shaft like some other shank designs. Like the plumber, The Light Works LLC prefers hole saws to make round holes rather than serrated ones.
Circular saw Makita HS7601, 1200 W blue/silver
58 Review
Saw BOSCH Keo, 0600861900
41 Review
Sawing machine DeWALT DWE7485, 1850 W
52 Review
Meat grinder Panasonic MK-MG1300WTQ, white
21 Review
High-Performance Bosch BS80 6W Bandsaw - 80 Inch 4 Inch Blades
11 Review
πͺ Bi-Metal Cutting Blades: Imachinist S933414 - Enhancing Precision and Performance
10 Review
Olson 80 Inch Blade FB14580DB-025
πͺ DEWALT DW3984C Portable Blade Set of 3-Pack