Starrett - Saws & Hand Tools

HOLE SAW CUTTING SPEED RECOMMENDATIONS (RPM)

BI-METAL

Bi-Metal Fast Cut (FCH) & Deep Cut (DCH) Hole Saws Saw Diameter

Mild Steel

Stainless & Tool Steel

Cast Iron

Brass, Copper & Aluminium

Wood & Plastic

mm

inch

14 - 25

9/16 - 1

580 - 350

300 - 175

400 - 235

790 - 470

800 - 500

27 - 51

1.1/16- 2

325 - 170

160 - 85

215 - 115

435 - 230

500 - 200

52 - 76

2.1/16 - 3

165 - 115

80 - 55

110 - 75

220 - 150

200 - 150

79 - 102

3.1/8 - 4

110 - 85

55 - 40

70 - 55

140 - 110

150 - 100

105 - 127

4.1/8 - 5

80 - 65

40 - 30

55 - 25

110 - 85

100 - 85

133 - 152

5.1/4 - 6

55

25

55 - 25

75

75

160 - 210 6.5/16 - 8.9/32

40

20

55 - 25

60

60

Bi-Metal Cordless Smooth Cut Hole Saws (CSC) Saw Diameter

Mild Steel

Stainless & Tool Steel

Wood, Plastic & Aluminium

mm

inch

16 - 20

5/8 - 25/32

500

230

700

22 - 29

7/8 - 1.1/8

400

185

550

30 - 38

1.3/16 - 1.1/2

330

150

450

TUNGSTEN CARBIDE TIPPED

Carbide Tipped Hole Saws (CT) Saw Diameter

TCT Multi Purpose Hole Saws (MPH) Saw Diameter All Materials mm Inch 19 - 27 3/4 - 11/16 1700 - 1300 29 - 51 1.1/8 - 2 1100 - 650 54 - 76 2.1/8 - 3 600 - 425 79-102 3.1/8 - 4 400 - 325 111 - 159 4.3/8 - 6.1/4 300 - 210

Cast Iron

Wood & Plastic

Suspended Floor

Fibreglass

Aluminium

mm

Inch

16 - 25

3/4 - 1

420 - 320

3200 - 2800

800 - 500

1650 - 1400

500 - 400

29 - 51

1.1/8 - 2

300 - 160

2400 - 1300

450 - 200

1200 - 600

350 - 190

54 - 79

2.1/8 - 3.1/8

150 - 100

1200 - 850

190 - 150

580 - 400

180 - 120

83 - 102

3.1/4 - 4

90 - 80

800 - 650

140 - 100

380 - 300

110 - 95

105 - 127

4.1/8 - 5

75 - 60

620 - 480

100 - 85

300 - 200

90 - 80

140 - 152

5.1/2 - 6

50 - 40

420 - 350

80 - 75

180 - 120

70 - 60

Carbide Tipped Deep Cut Hole Saws (CTD) Saw Diameter

TCT Stainless Steel Hole Saws (SM) Saw Diameter

Mild Steel

Stainless & Steel

Mild Steel

Stainless & Steel

Cast Iron

Aluminium

Fibreglass

mm

Inch

mm

inch

15 - 21

19/32 - 13/16 700 - 1000

300 - 700 1000 - 1400

15 - 25 800 - 640 460 - 370 420 - 320 800 - 500 26 - 39 1.1/32 - 1.17/32 590 - 460 320 - 270 300 - 160 450 - 200 40 - 55 1.9/16 - 2.5/32 400 - 320 220 - 170 300 - 160 450 - 200 60 - 85 2.3/8 - 3.23/64 265 - 200 140 - 105 150 - 100 190 - 150 90 - 100 3.9/16 - 4.23/32 175 - 130 90 - 65 90 - 80 140 - 100 19/32 - 1

22 - 30

7/8 - 1.3/16

500 - 800

200 - 450

800 - 1100

32 - 40

1.1/4 - 1.9/16

300 - 600

175 - 315

600 - 850

45 - 50 1.25/32 - 1.31/32 200 - 500

120 - 225

500 - 750

51 - 60

2 - 2.38

200 - 400

95 - 195

400 - 550

64 - 75 2.1/2 - 2.15/16 150 - 300

80 - 150

300 - 450

80 - 100 2.5/32 - 3.15/16 100 - 200

60 - 120

200 - 300

DIAMOND GRIT

Diamond Grit Hole Saws (D) Saw Diameter

Diamond Grit Brick and Masonry Dri-Core Drills (BMC) Saw Diameter Minimum Speed Maximum Speed mm Inch 22 - 52 9/16 - 1 250 500 65 - 78 2.9/16 - 3.1/16 150 300 102 - 152 4 - 6 100 200

Minimum Speed

Maximum Speed

mm

Inch

14 - 25

9/16 - 1

500

1000

27 - 51

1.1/16 - 2

250

500

52 - 83

2.1/16 - 3.1/4

150

300

86 - 152

3.3/8 - 6

100

200

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