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All Products ➞ Bordo ➞ Taps & Dies ➞ Chrome Alloy Taps ➞ Chrome Alloy BSW
1-3/8" x 6 BSW Taper Chrome Tap
| Part Number: | 4228-1.3/8T |
| Brand: | Bordo |
| Barcode: | 9326518008293 |
| Pack Qty: | 1 |
| Diameter (inch): | 1-3/8 |
| Drill Diameter (mm): | 30.5 |
| Lead: | Taper |
| Overall Length (mm): | 162 |
| Pitch (tpi): | 6 |
| Thread Form: | BSW |
About this item:
- 1-3/8" x 6 BSW Taper Chrome Tap
- Chrome Alloy BSW Taper Hand Tap.
- Used as thread chasers to clean an existing thread.
- They can also be used to create a new female thread in non-ferrous metals and plastics.
- Chrome alloy taps are not suitable for creating precision, safety or critical threads.
- British Standard Whitworth has a thread angle of 55 degrees as opposed to 60 degrees in Metric and Unified threads.
- This thread form was developed by Sir Joseph Whitworth in 1841.
- The thread form has rounded roots and crests and is specified in BS84:1956.
- The major diameter of external thread and pitch are specified by a simple numerical value (most commonly measured in millimetres).
- Taper Taps have a lead of eight threads and are used as a starting tap in difficult or high precision holes.