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Wiseman Threading Tools Hand Tap - Taper Lead Tap - +0.015 Tolerance - M27x3
| Thread Form | Metric Oversize |
| Size | M27 |
| Pitch | 3 |
| Tolerance | +0.015 |
| Lead | Taper |
| Thread Direction | Right Hand |
Learn more about Klarna
Meet the Wiseman Threading Tools Hand Tap – a precision taper lead tap engineered for clean, accurate internal threads by hand. Sized for M27x3 with a +0.015 tolerance, this tapping tool consistently delivers tight fits and dependable engagement, turning what used to be a tricky task into a smooth, repeatable process. Built from durable materials, it’s designed to withstand the rigors of real-world workshop use and keep performing project after project.

Why this Wiseman hand tap stands out
- +0.015 tolerance for precise thread dimensions and reliable fastener engagement.
- Taper lead design helps start the cut cleanly and reduces the risk of cross-threading during the initial threads.
- Durable construction built to endure the demands of metalworking, repairs, and prototyping.
- Specifically matched to M27x3 internal threads, making it a trusted choice for metric components, housings, and assemblies requiring accurate thread quality.
- Ideal for hand-tapped projects where machine tooling isn’t available or practical, enabling precise, field-ready threads.
Practical use cases
From repairing a damaged panel in a machine enclosure to adding a precise internal thread in a custom part, this hand tap delivers consistent results. It’s the go-to tool when you need dependable thread quality without investing in a full threading setup.
How to get the best results
- Prepare the hole: ensure it’s clean, burr-free, and free of chips.
- Lubricate with a suitable cutting oil to reduce friction and extend tap life.
- Keep the tap square to the hole and turn clockwise with steady, even pressure to begin cutting.
- Advance gradually to the required depth; back off slightly after each pass to clear chips and maintain thread accuracy.
- Test with the mating bolt to verify fit and adjust depth as needed.
Care and maintenance
- Wipe clean after use and apply a light coat of rust-preventive oil; store in a dry environment.
- Avoid impact or dropping the tool to preserve the precise thread geometry.
The Wiseman Threading Tools Hand Tap in M27x3 with a +0.015 tolerance is the reliable, hands-on solution for producing precise internal threads with confidence—perfect for craftsmen, machinists, and DIY enthusiasts who value accuracy and durability in every cut.
| Thread Form | Metric Oversize |
| Size | M27 |
| Pitch | 3 |
| Tolerance | +0.015 |
| Lead | Taper |
| Thread Direction | Right Hand |
What time are Protool open?
We are open Monday to Friday between 8:30am and 5pm.
Do you offer Free Next Day delivery?
Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.
We also offer the following:
- Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
- DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
- Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
- DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.
For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.
*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.
Full Range: Wiseman Threading Tools Hand Taps - +0.015 Tolerance
View full collection →You are viewing T07754T15. Click any other SKU to view its full details.
| Product SKU | Thread Form | Size | Pitch | Tolerance | Lead | Thread Direction | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| T07302P15 | Metric Oversize | M6 | 1 | +0.015 | Bottom | Right Hand | £26.95 | 1-2 days | |
| T07303S15 | Metric Oversize | M6 | 1 | +0.015 | Second | Right Hand | £26.95 | 1-2 days | |
| T07304T15 | Metric Oversize | M6 | 1 | +0.015 | Taper | Right Hand | £26.95 | 1-2 days | |
| T07352P15 | Metric Oversize | M8 | 1.25 | +0.015 | Bottom | Right Hand | £30.80 | 1-2 days | |
| T07353S15 | Metric Oversize | M8 | 1.25 | +0.015 | Second | Right Hand | £30.80 | 1-2 days | |
| T07354T15 | Metric Oversize | M8 | 1.25 | +0.015 | Taper | Right Hand | £30.80 | 1-2 days | |
| T07402P15 | Metric Oversize | M10 | 1.5 | +0.015 | Bottom | Right Hand | £34.66 | 1-2 days | |
| T07403S15 | Metric Oversize | M10 | 1.5 | +0.015 | Second | Right Hand | £34.66 | 1-2 days | |
| T07404T15 | Metric Oversize | M10 | 1.5 | +0.015 | Taper | Right Hand | £34.66 | 1-2 days | |
| T07452P15 | Metric Oversize | M12 | 1.75 | +0.015 | Bottom | Right Hand | £37.55 | 1-2 days | |
| T07453S15 | Metric Oversize | M12 | 1.75 | +0.015 | Second | Right Hand | £37.55 | 1-2 days | |
| T07454T15 | Metric Oversize | M12 | 1.75 | +0.015 | Taper | Right Hand | £37.55 | 1-2 days | |
| T07552P15 | Metric Oversize | M14 | 2 | +0.015 | Bottom | Right Hand | £38.01 | 1-2 days | |
| T07553S15 | Metric Oversize | M14 | 2 | +0.015 | Second | Right Hand | £38.01 | 1-2 days | |
| T07554T15 | Metric Oversize | M14 | 2 | +0.015 | Taper | Right Hand | £38.01 | 1-2 days | |
| T07602P15 | Metric Oversize | M16 | 2 | +0.015 | Bottom | Right Hand | £51.52 | 1-2 days | |
| T07603S15 | Metric Oversize | M16 | 2 | +0.015 | Second | Right Hand | £51.52 | 1-2 days | |
| T07604T15 | Metric Oversize | M16 | 2 | +0.015 | Taper | Right Hand | £51.52 | 1-2 days | |
| T07652P15 | Metric Oversize | M20 | 2.5 | +0.015 | Bottom | Right Hand | £71.08 | 1-2 days | |
| T07653S15 | Metric Oversize | M20 | 2.5 | +0.015 | Second | Right Hand | £71.08 | 1-2 days | |
| T07654T15 | Metric Oversize | M20 | 2.5 | +0.015 | Taper | Right Hand | £71.08 | 1-2 days | |
| T07702P15 | Metric Oversize | M24 | 3 | +0.015 | Bottom | Right Hand | £95.51 | 1-2 days | |
| T07703S15 | Metric Oversize | M24 | 3 | +0.015 | Second | Right Hand | £95.51 | 1-2 days | |
| T07704T15 | Metric Oversize | M24 | 3 | +0.015 | Taper | Right Hand | £95.51 | 1-2 days | |
| T07752P15 | Metric Oversize | M27 | 3 | +0.015 | Bottom | Right Hand | £132.54 | 1-2 days | |
| T07753S15 | Metric Oversize | M27 | 3 | +0.015 | Second | Right Hand | £132.54 | 1-2 days | |
| T07754T15 Viewing | Metric Oversize | M27 | 3 | +0.015 | Taper | Right Hand | £132.54 | 1-2 days | |
| T07802P15 | Metric Oversize | M30 | 3.5 | +0.015 | Bottom | Right Hand | £189.55 | 1-2 days | |
| T07803S15 | Metric Oversize | M30 | 3.5 | +0.015 | Second | Right Hand | £189.55 | 1-2 days | |
| T07804T15 | Metric Oversize | M30 | 3.5 | +0.015 | Taper | Right Hand | £189.55 | 1-2 days | |
| T07852P15 | Metric Oversize | M36 | 4 | +0.015 | Bottom | Right Hand | £253.06 | 1-2 days | |
| T07853S15 | Metric Oversize | M36 | 4 | +0.015 | Second | Right Hand | £253.06 | 1-2 days | |
| T07854T15 | Metric Oversize | M36 | 4 | +0.015 | Taper | Right Hand | £253.06 | 1-2 days |
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