Spiral Sizes

The table below details the broadest range of spiral diameter, pitch and bar size in the industry. In addition to these standard sizes, ML offers custom size options.

ML STANDARD SPIRAL SIZES
*Custom Sizes Also Available

DIAMETER

PITCH

BAR SIZES MM

MM

INCHES

MM

INCHES

MAIN

INSERT

140

5.5

140

5.5

40X10

20X8

160

6.3

160

6.3

40X20

25X10

170

6.7

102

4

40X20

25X10

190

7.5

120

4.7

45X12

20X8

190

7.5

155

6.1

40X10

30X8

190

7.5

190

7.5

50X20

30X8

210

8.3

210

8.3

50X20

30X8

210

8.3

230

9.1

50X20

30X8

215

8.5

190

7.5

50X20

30X8

215

8.5

230

9.1

60X25

30X8

215

8.5

245

9.6

50X20

30X8

220

8.7

150

5.9

50X20

30X8

220

8.7

220

8.7

50X20

30X8

228

9

152

6

50X20

30X8

233

9.2

233

9.2

50X20

30X8

240

9.5

240

9.5

60X20

30X8

254

10

254

10

60X20

45X12

275

10.8

140

5.5

50X20

40X20

280

11

280

11

80X25

40X20

280

11

330

13

80X25

40X20

283

11.1

189

7.4

80X30

40X20

283

11.1

283

11.1

80X30

40X20

285

11.2

140

5.5

50X20

45X12

285

11.2

190

7.5

60X25

50X20

285

11.2

285

11.2

70X25

40X20

292

11.5

279

11

60X25

40X20

298

11.8

298

11.8

60X25

45X12

305

12

152

6

60X25

45X12

305

12

203

8

60X25

45X12

305

12

305

12

60X25

50X20

315

12

190

7.5

60X25

45X12

317

12.5

252

9.9

70X20

45X12

327

12.9

327

12.9

60X25

40X20

340

13.4

340

13.4

60X20

45X12

343

13.5

330

13

70X25

50X20

350

13.8

350

13.8

60X25

45X12

356

14

356

14

80X25

50X20

360

14.1

240

9.5

70X20

45X12

360

14.1

360

14.1

80X25

45X12

365

14.4

365

14.4

70X25

50X20

365

14.4

400

15.7

70X25

45X12

380

15

230

9

80x25

40.20

380

15

380

15

70X25

45X10

395

15.6

395

15.6

70X25

50X20

400

15.7

325

13

70X15

45X12

405

16

435

17.1

80X25

60X25

406

16

406

16

80X25

50X20

420

16.5

240

9.4

70X25

50X20

420

16.5

370

14.6

80X25

50X20

445

17.5

435

17.1

80X25

50X15

457

18

457

18

80X25

60X20

460

18.1

440

17.3

80X25

60X20

480

18.9

320

12.6

80X20

70X20

480

18.9

480

18.9

80X25

70X20

480

18.9

535

21

80X25

50X20

495

19.5

495

19.5

80X25

45X12

500

19.7

350

13.8

80X25

40X20

533

21

406

16

80X25

70X20

550

21.7

550

21.7

80X25

80X20

580

22.8

385

15.2

80X20

80X20

580

22.8

580

22.8

80X20

80X20

596

23.5

596

23,5

80X25

80X25

610

24

610

24

80X25

80X20

640

25.2

640

25.2

80X25

50X20

750

29.5

750

29.5

80X25

80X25

762

30

762

30

100X30

80X25

OTHER DIAMETERS AND PITCH AVAILABLE UPON REQUEST

BAR SIZES

MM

INCHES

20

3/4

25

1

60

2.5

80

3

100

4

  •  BioMass / BioFuels