Product Description
UNC high speed steel straight flute taps for creating internal Unified National Coarse threads.
These high quality HSS taps are made in the UK and are suitable for general engineering, workshop, maintenance and repair use. 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: UNC / Unified National Coarse
- Material: High speed steel / HSS
- Flute type: Straight flute
- Use: Creating new internal threads
- Thread sizes available: 2-56 UNC through to 1 1/8"-7 UNC
- 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 | TPI | Thread Form | Tap Type | Pass Options |
|---|---|---|---|---|
| 2-56 UNC | 56 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 4-40 UNC | 40 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 6-32 UNC | 32 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 8-32 UNC | 32 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 10-24 UNC | 24 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 12-24 UNC | 24 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 1/4"-20 UNC | 20 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 5/16"-18 UNC | 18 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 3/8"-16 UNC | 16 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 7/16"-14 UNC | 14 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 1/2"-13 UNC | 13 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 9/16"-12 UNC | 12 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 5/8"-11 UNC | 11 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 3/4"-10 UNC | 10 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 7/8"-9 UNC | 9 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 1"-8 UNC | 8 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
| 1 1/8"-7 UNC | 7 | UNC | HSS Straight Flute Tap | 1st, 2nd, 3rd or Set |
Please note: Specifications are intended as a guide only. If dimensions are critical to your project, please check with us before ordering.
