Bordo 1/4" x 20 TPI Left Hand BSW Bottoming Hand and Machine Tap
Available
The Bordo Left Hand BSW Bottoming Hand and Machine Tap - 3086 is part of Bordo's Australian range of hand taps, built for reliable performance in trade and industrial applications.
Key Specifications
| Drill Size (mm) | 5.1 |
|---|---|
| Diameter (inch) | 1/4 |
| Thread (TPI) | 20 |
| Surface Finish | Bright |
| Flute Type | Straight |
| Overall Length (OAL) mm | 66 |
| Thread Form Type | BSW |
Product Features
- 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
- HSS BSW LEFT HAND Bottoming Hand and Machine Tap
- British Standard Whitworth has a thread angle of 55 degrees as opposed to 60 degrees in Metric and Unified threads
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Bordo Left Hand BSW Bottoming Hand and Machine Tap - 3086: 1/4
SKU: A0201642 | Model: 3086-1/4B
Diameter (inch) 1/4. Bordo Left Hand BSW Bottoming Hand and Machine Tap - 3086
HSS BSW Lef Hand Bottoming Hand and Machine Tap.
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.
Bottoming Taps have a lead of two threads and are used to ensure minimum thread run-out when tapping to the bottom of a blind hole.
Bottoming Taps are typically preceded by the use of a Taper or Intermediate Tap.
Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use.
BSW (British Standard Whitworth)
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 thread angle for BSW is 55° as opposed to 60° in Metric and Unified threads.