For “old-style” H & M Pipe Beveling Machines (those with “H” in the serial number), the following chart shows the proper spacer length.
| H & M Standard Beveling Machines | |||
|---|---|---|---|
| Model No. | Pipe Size | Pipe OD | Spacer Length |
| No. 0 | 1.5″ | 1.9″ | 1.300″ |
| No. 0 | 2″ | 2.375″ | 1.062″ |
| No. 0 | 2.5″ | 2.875″ | 0.812″ |
| No. 0 | 3″ | 3.500″ | 0.500″ |
| No. 1 | 2″ | 2.375″ | 3.250″ |
| No. 1 | 3″ | 3.500″ | 2.687″ |
| No. 1 | 4″ | 4.500″ | 2.187″ |
| No. 1 | 5″ | 5.563″ | 1.656″ |
| No. 1 | 6″ | 6.625″ | 1.125″ |
| No. 1 | 8″ | 8.625″ | 0.125″ |
| No. 2 | 6″ | 6.625″ | 3.187″ |
| No. 2 | 8″ | 8.625″ | 2.187″ |
| No. 2 | 10″ | 10.750″ | 1.125″ |
| No. 2 | 12″ | 12.750″ | 0.125″ |
| No. 3 | 12″ | 12.750″ | 3.812″ |
| No. 3 | 14″ | 14.000″ | 3.187″ |
| No. 3 | 16″ | 16.000″ | 2.187″ |
| No. 3 | 18″ | 18.000″ | 1.187″ |
| No. 3 | 20″ | 20.000″ | 0.187″ |
| No. 4 | 20″ | 20.000″ | 3.250″ |
| No. 4 | 22″ | 22.000″ | 2.250″ |
| No. 4 | 24″ | 24.000″ | 1.250″ |
| No. 4 | 26″ | 26.000″ | 0.250″ |
| No. 30 | 24″ | 24.000″ | 3.250″ |
| No. 30 | 26″ | 26.000″ | 2.250″ |
| No. 30 | 28″ | 28.000″ | 1.250″ |
| No. 30 | 30″ | 30.000″ | 0.250″ |
| No. 5 | 30″ | 30.000″ | 3.250″ |
| No. 5 | 32″ | 32.000″ | 2.250″ |
| No. 5 | 34″ | 34.000″ | 1.250″ |
| No. 5 | 36″ | 36.000″ | 0.250″ |