BA Thread Gauges
BA (British Association) Threads are used for fine fastening purpose especially in instruments.
Specification :
Basic Dimensions – BS 93 : 1951 & Gauging Practice – BS 919 Part II : 2007.
Manufacturing Range :
Thread Plug Gauges, Thread Ring Gauges, Check Plug & Wear Check Plug Gauges for sizes 2, 3, 4, 5, 6, 7
| Pitch in mm | Type of Thread Gauges used | ||||
|---|---|---|---|---|---|
| 2 | 0.81 | Thread Plug Gauges Tolerance class : | Thread Ring Gauges Tolerance class : | Check Plug Gauges to check NEW Ring Gauges. Tolerance class : | Wear Check Plug Gauges to check / calibrate used Ring Gauges. Tolerance class : |
| 3 | 0.73 | ||||
| 4 | 0.66 | Normal (N) | Normal (N) | Normal (N) | Normal (N) |
| 5 | 0.59 | ||||
| 6 | 0.53 | Close (C) | Close (C) | Close (C) | Close (C) |
| 7 | 0.48 |