Bordo 1/4" x 20 BSW 1" Chrome Button Die
Available
The Bordo BSW Chrome Button Die - 4808 is part of Bordo's Australian range of threading dies, built for reliable performance in trade and industrial applications.
Key Specifications
| Pitch/TPI | 40 |
|---|---|
| Outside Diameter | 1" |
| Die Type | Button |
| Diameter (inch) | 1/8 |
| Thread Form Type | BSW |
| Material | chrome alloy |
Product Features
- British Standard Whitworth (BSW).
- Split circular chrome alloy button dies are most commonly used in conjunction with a die stock handle.
- Chrome alloy dies are not suitable for creating precision, safety or critical threads.
- The BSW 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 thread angle for BSW is 55° as opposed to 60° in Metric and Unified threads.
Resources
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Bordo BSW Chrome Button Die - 4808: 1/4 / 1"
SKU: A0203768 | Model: 4808-1/4-1D
Diameter (inch) 1/4, Outside Diameter 1". Bordo BSW Chrome Button Die - 4808
British Standard Whitworth (BSW).
Split circular chrome alloy button dies are most commonly used in conjunction with a die stock handle.
They can be used as thread chasers to clean an existing thread.
They can also be used to create a new male thread on non-ferrous metals and plastics.
Chrome alloy dies are not suitable for creating precision, safety or critical threads.
The BSW 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 thread angle for BSW is 55° as opposed to 60° in Metric and Unified threads.

