Buttress Casing Form Gauge 1228M

Gauge Type: Single Dial Buttress Form Gauge
Thread Type: Buttress Casing 406~508mm
Dial Type: 0~5~0, Balanced
Graduation: 0.01mm
Dial Travel: 0.5mm

Description: The 1228M is a thread form gauge used to check the tooth thickness of either External or Internal 406~508mm Buttress Casing Threads. The 1228M indicates product error so it must be used in conjunction with the proper Setting Standards. By first “zeroing” your 1228M on the setting standard, the product error is read on the dial. The measurement taken then indicates the deviation from the API Nominal. The 1228M utilizes an anvil with a fixed pin to steady the gauge on the 10 Degree flank while a truncated 2.20mm diameter Contact Point makes the contact for an accurate reading. The Setting Standards required for the 1228M are the 1224-B for Internal threads and the 1225-B for the External threads.

Three Dial and Single Dial Gauges

The Three Dial and Single Dial gauges are convenient working gauges 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

1231-D14 1/2Ext. Buttress Segment
1231-D25Buttress Segment
1231-D35 1/2Buttress Segment
1231-D46 5/8Ext. Buttress Segment
1231-D57Ext. Buttress Segment
1231-D67 5/8Ext. Buttress Segment
1231-D78 5/8Buttress Segment
1231-D89 5/8Buttress Segment
1231-D910 3/4Buttress Segment
1231-D1011 3/4Ext. Buttress Segment
1231-D1113 3/8Ext. Buttress Segment
1231-D1216Buttress Segment
1231-D1318 5/8Buttress Segment
1231-D1420Buttress Segment
Base and Segments for External Buttress
5 TPI, 3/4 TPF, Threads

Internal Buttress Specs

1232-D14 1/2Int. Buttress Segment
1221-D25Int. Buttress Segment
1231-D35 1/2Int. Buttress Segment
1232-D46 5/8Int. Buttress Segment
1232-D57Int. Buttress Segment
1232-D67 5/8Int. Buttress Segment
1232-D78 5/8Int. Buttress Segment
1232-D89 5/8Int. Buttress Segment
1232-D910 3/4Int. Buttress Segment
1232-D1011 3/4Int. Buttress Segment
1232-D1113 3/8Int. Buttress Segment
1232-D1216Int. Buttress Segment
1232-D1318 5/8Int. Buttress Segment
1232-D1420Int. Buttress Segment
Base and Segments for Internal Buttress 5 TPI, 3/4 TPF Threads


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