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Longer Diamond Blades Index

Equipment & Cutting References

Type of Equipment

Maximum Cutting Depths

Blade Diameter	Cutting Depth
Power Hand Saws
4" ........................................................................... 1"
4-1/2" .............................................................. 1-1/4"
5" ..................................................................... 1-1/2"
7" ..................................................................... 2-1/2"
8" ............................................................................ 3"
Tile Saws
6" ...................................................................... 1-3/4"
7" ...................................................................... 2-1/4"
8" ...................................................................... 2-3/4"
9" ...................................................................... 3-1/4"
10" .................................................................... 3-3/4"
Masonry Saws
14" ........................................................................... 5"
18" ........................................................................... 7"
20" ........................................................................... 8"
High Speed Saws
12" ........................................................................... 4"
14" ........................................................................... 5"
Concrete Saws
12" ...................................................................... 3-5/8"
14" ...................................................................... 4-5/8"
16" ...................................................................... 5-5/8"
18" ...................................................................... 6-5/8"
20" ...................................................................... 7-5/8"
24" ...................................................................... 9-5/8"
26" .................................................................... 10-5/8"
30" .................................................................... 11-3/4"
36" .................................................................... 14-3/4"
42" .................................................................... 17-3/4"

Note: The cutting depths listed in the chart are only approximations. The actual diamond blade cutting depths will vary with the exact blade diameter, the exact diameter of the blade flanges, and the type (or brand) of the blade. The cutting depth will also be reduced if saw components (motor housing, blade guard, etc.) extend below the blade flanges.

Operating Speeds

Diameter	Recommended RPM*	Maximum Safe RPM**
4"	9,072	15,000
4-1/2"	8,063	13,300
5"	7,257	12,000
6"	6,048	10,185
7"	5,184	8,730
8"	4,536	7,640
9"	4,032	6,790
10"	3,629	6,115
12"	3,024	5,095
12" high speed		6,300
14"	2,592	4,365
14" high speed		6,300
16"	2,268	3,820
18"	2,016	3,395
20"	1,814	3,055
22"	1,649	2,780
24"	1,512	2,550
26"	1,396	2,350
28"	1,296	2,185
30"	1,210	2,040
32"	1,134	1,910
36"	1,008	1,700
42"	864	1,455
48"	756	1,275

* The general optimum performance range for cutting concrete and masonry products are ±10% (based on 9,500 SFPM-Surface Feet Per Minute). The optimum performance speeds for hard, dense materials (such as stone and tile) are 10-25% less than the speeds shown in the chart above. The blade shaft speeds (RPM's at no load) for most tools will be higher than the recommended operating speeds listed in the chart. The actual blade shaft speed of the tool will slow down under load, and should fall within the optimum speed range.

** You should always make sure that the blade shaft (arbor) speed of the tool is within the maximum safe limit of that blade before using any blade.

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