Casing size

Hole size

Max OD

In.

In.

mm

In.

4-1/2

6

148

5.827

5

6

150

5.90

5

6-1/2

163

6.417

5-1/2

8-1/2

212

8.346

6-5/8

8-1/2

213

8.386

7

8-1/2

213

8.386

7

9-1/2

240

9.449

7-5/8

9-1/2

240

9.449

7-5/8

10-3/4

250

9.842

9-5/8

12-1/4

308

12.126

9-7/8

12-1/4

308

12.126

10-1/4

12-1/4

308

12.126

10-3/4

12-1/4

308

12.126

10-3/4

13-1/8

330

12.992

13-3/8

16

400

15.748

13-3/8

17-1/2

438

17.244

13-5/8

17-1/2

445

17.520