Bimetal Hole Saw RPM Chart

Recommended Bimetal Hole Saw RPMs, Speed and Feed Chart

Size

Aluminum

Brass

Cast Iron

Mild Steel

Stainless Steel

9/16" 

900

790

400

580

300

5/8" 

825

730

365

550

275

11/16" 

750

665

330

500

250

3/4" 

690

600

300

460

230

13/16" 

630

560

280

425

210

7/8" 

585

520

260

390

195

15/16" 

555

495

245

370

185

1" 

525

470

235

350

175

1-1/16" 

480

435

215

325

160

1-1/8" 

450

400

200

300

150

1-3/16" 

425

380

190

285

145

1-1/4" 

410

360

180

275

140

1-5/16" 

390

345

175

260

135

1-3/8" 

375

330

165

250

125

1-7/16" 

360

315

160

240

120

1-1/2" 

345

300

150

230

115

1-9/16" 

330

290

145

220

110

1-5/8" 

315

280

140

210

105

1-11/16" 

305

270

135

205

100

1-3/4" 

295

250

130

195

95

1-13/16" 

285

250

125

190

95

1-7/8" 

270

240

120

180

90

2" 

255

230

115

170

85

2-1/16" 

245

220

110

165

80

2-1/8" 

240

210

105

160

80

2-1/4" 

225

200

100

150

75

2-5/16" 

220

190

95

140

70

2-3/8" 

205

180

90

135

65

2-1/2" 

200

175

85

130

65

2-9/16" 

195

170

85

130

65

2-5/8" 

185

160

80

125

60

2-3/4" 

185

160

80

125

60

2-7/8" 

180

160

80

120

60

3" 

170

150

75

115

55

3-1/8" 

165

140

70

110

55

3-1/4" 

155

140

70

105

50

3-3/8" 

150

130

65

100

50

3-1/2" 

145

130

65

95

45

3-5/8" 

140

120

60

95

45

3-3/4" 

135

120

60

90

45

3-7/8" 

130

110

55

85

40

4" 

130

110

55

85

40

4-1/8" 

120

110

55

80

40

4-1/4" 

120

110

55

80

40

4-3/8" 

105

100

50

75

35

4-1/2" 

105

100

50

75

35

4-3/4" 

95

90

45

70

35

5" 

95

90

45

70

35

5-1/4" 

95

90

45

70

35

5-1/2" 

90

85

40

65

30

5-3/4" 

90

85

40

65

30

6" 

90

85

40

65

30