Product Description
BA high speed steel straight flute taps for creating internal British Association threads.
These high quality HSS taps are made in the UK and are suitable for model engineering, electrical work, instrument repairs, workshop maintenance and general BA thread cutting applications. Straight flute taps are commonly used for hand tapping through holes and blind holes in suitable materials, with taper, intermediate and bottoming options available depending on the stage of the thread cutting process.
- Thread form: BA / British Association
- Material: High speed steel / HSS
- Flute type: Straight flute
- Use: Creating new internal threads
- Thread sizes available: 0BA through to 10BA
- Pass options: 1st taper, 2nd intermediate, 3rd bottoming or set of all 3
- Made in the UK
- Singles packed in plastic bags; complete sets supplied in a plastic case
| Thread Size | Pitch | Approx. TPI | Thread Form | Tap Type | Pass Options |
|---|---|---|---|---|---|
| 0BA | 1.00mm | 25.4 | BA | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 1BA | 0.90mm | 28.2 | BA | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 2BA | 0.81mm | 31.4 | BA | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 3BA | 0.73mm | 34.8 | BA | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 4BA | 0.66mm | 38.5 | BA | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 5BA | 0.59mm | 43.1 | BA | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 6BA | 0.53mm | 47.9 | BA | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 7BA | 0.48mm | 52.9 | BA | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 8BA | 0.43mm | 59.1 | BA | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 9BA | 0.39mm | 65.1 | BA | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 10BA | 0.35mm | 72.6 | BA | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
Please note: BA threads are specified by pitch in millimetres. The TPI figures above are approximate equivalents for reference only.
Please note: Specifications are intended as a guide only. If dimensions are critical to your project, please check with us before ordering.
