Use the table below for cutting depth guidelines - actual depths may vary slightly.

Hand-Held Cut Off Saw Blade Diameter Cutting Depth
12-Inch 4" 
14-Inch 5"
16-Inch 6"
Walk-Behind Saw Blade Diameter Cutting Depth
12-Inch 3-5/8" 
14-Inch 4-5/8"
16-Inch 5-5/8"
18-Inch 6-5/8"
20-Inch 7-5/8"
24-Inch 9-5/8"
26-Inch 10-5/8"
30-Inch 11-5/8"
36-Inch 14-3/4"
42-Inch 17-3/4"
48-Inch 20-3/4"