Description
Allen Gauge and Tool Co.
1231-D External Buttress Three Dial Gauge Setting Segments
Buttress Casing Form Gauge
The Three Dial gauge is a convenient working gauge for controlling the basic thread form on API buttress casing.
Their main role as a quick check of thread angles and tooth width during production help to control the manufacturing process and to evaluate incorrect or worn tooling.
External Buttress Specs
Base and Segments for External Buttress 5 TPI, 3/4 TPF, Threads
| 1231-D | BASE | |
| 1231-D1 | 4 1/2 | Ext. Buttress Segment |
| 1231-D2 | 5 | Buttress Segment |
| 1231-D3 | 5 1/2 | Buttress Segment |
| 1231-D4 | 6 5/8 | Ext. Buttress Segment |
| 1231-D5 | 7 | Ext. Buttress Segment |
| 1231-D6 | 7 5/8 | Ext. Buttress Segment |
| 1231-D7 | 8 5/8 | Buttress Segment |
| 1231-D8 | 9 5/8 | Buttress Segment |
| 1231-D9 | 10 3/4 | Buttress Segment |
| 1231-D10 | 11 3/4 | Ext. Buttress Segment |
| 1231-D11 | 13 3/8 | Ext. Buttress Segment |
| 1231-D12 | 16 | Buttress Segment |
| 1231-D13 | 18 5/8 | Buttress Segment |
| 1231-D14 | 20 | Buttress Segment |
