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Wiseman Threading Tools Taper Lead Metric HSS Tap Right Hand - M12x0.5
| Thread Form | Metric |
| Size | M12 |
| Pitch | 0.5 |
| Tap Type | Taper Lead Tap |
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Description

Wiseman Threading Tools – Taper Lead Metric HSS Tap, Right Hand – M12x0.5
When you need reliably cut true metric threads, this Wiseman Threading Tools taper lead HSS tap delivers steady performance you can count on. Ground from high-speed steel and finished uncoated, it’s built for general‑purpose tapping across a range of materials, with dimensions that align to ISO 529 standards. The right-hand thread is the standard choice for most projects, ensuring intuitive operation and predictable results.
Why this tap stands out
- Taper lead design starts the thread gradually, reducing bite and chatter for smoother entry and minimizing the risk of cross‑threading during initial engagement.
- High-speed steel (HSS) ground for a tough cutting edge that maintains shape under heat and friction, providing consistent thread quality over many holes.
- Uncoated finish means predictable performance across a variety of materials without coating-induced variances, ideal for workshop versatility.
- Metric threading, M12x0.5 aligned to ISO 529, making it compatible with a wide array of metric fasteners, components, and assemblies.
- Right-hand thread suits the majority of standard tapping tasks, offering straightforward, intuitive use with reliable results.
Ideal use cases
This taper lead HSS tap is a practical go‑to for machinists, fabricators, and maintenance techs who regularly create or repair metric threads in steel, aluminum, and other common metals. It’s especially effective for general-purpose through-holes in everyday fabrication, equipment housings, enclosures, and adjustable fixtures where clean, accurate threads are essential.
Practical guidance for best results
- Pair with appropriate cutting fluid or tapping oil to manage heat and extend tool life.
- Align the tap carefully with the workpiece to ensure straight, true threads from start to finish.
- Use a steady, controlled feed and back off periodically to clear chips, maintaining consistent engagement without overloading the tool.
- Test the finished thread with a thread gauge to confirm pitch and depth meet ISO 529 specifications.
- Store in a dry environment after use to preserve the uncoated cutting edges for future work.
Who benefits from this tool
Ideal for professionals and hobbyists who require a dependable metric tap for versatile tapping tasks. If you’re building or repairing fixtures, mounting brackets, or machine components that rely on precise M12x0.5 threads, this Wiseman tap provides a balanced combination of entry ease, cutting performance, and durable construction.
Durable, dependable threading you can rely on
With its taper lead geometry, ISO 529 compliant dimensions, and robust HSS core, this tap is designed to deliver consistent thread quality project after project. It’s a practical, single‑tool solution for creating clean, accurate metric threads without the complexity of specialty taps.
Part Numbers
- Protool Part Number
- T12854T
- Brand
- Wiseman
- Category
- Hand Tap
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
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 Taper Lead Metric HSS Taps
View full collection →You are viewing T12854T. Click any other SKU to view its full details.
| Product SKU | Thread Form | Size | Pitch | Tap Type | Thread Direction | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| T10034T | Metric | M1.4 | 0.3 | Taper Lead Tap | Right Hand | £14.62 | 1-2 days | |
| T10054T | Metric | M1.6 | 0.35 | Taper Lead Tap | Right Hand | £14.62 | 1-2 days | |
| T10154T | Metric | M2 | 0.4 | Taper Lead Tap | Right Hand | £6.49 | 1-2 days | |
| T10254T | Metric | M2.2 | 0.45 | Taper Lead Tap | Right Hand | £7.84 | 1-2 days | |
| T10404T | Metric | M2.5 | 0.45 | Taper Lead Tap | Right Hand | £5.28 | 1-2 days | |
| T10504T | Metric | M3 | 0.35 | Taper Lead Tap | Right Hand | £8.19 | 1-2 days | |
| T10554T | Metric | M3 | 0.5 | Taper Lead Tap | Right Hand | £3.57 | 1-2 days | |
| T10754T | Metric | M3.5 | 0.6 | Taper Lead Tap | Right Hand | £3.85 | 1-2 days | |
| T10794T | Metric | M4 | 0.35 | Taper Lead Tap | Right Hand | £16.87 | 1-2 days | |
| T10804T | Metric | M4 | 0.5 | Taper Lead Tap | Right Hand | £7.38 | 1-2 days | |
| T10854T | Metric | M4 | 0.7 | Taper Lead Tap | Right Hand | £3.28 | 1-2 days | |
| T10954T | Metric | M4.5 | 0.5 | Taper Lead Tap | Right Hand | £8.57 | 1-2 days | |
| T11004T | Metric | M4.5 | 0.75 | Taper Lead Tap | Right Hand | £5.80 | 1-2 days | |
| T11054T | Metric | M5 | 0.5 | Taper Lead Tap | Right Hand | £8.57 | 1-2 days | |
| T11104T | Metric | M5 | 0.75 | Taper Lead Tap | Right Hand | £17.75 | 1-2 days | |
| T11154T | Metric | M5 | 0.8 | Taper Lead Tap | Right Hand | £3.47 | 1-2 days | |
| T11304T | Metric | M6 | 0.5 | Taper Lead Tap | Right Hand | £24.85 | 1-2 days | |
| T11354T | Metric | M6 | 0.75 | Taper Lead Tap | Right Hand | £6.01 | 1-2 days | |
| T11404T | Metric | M6 | 1 | Taper Lead Tap | Right Hand | £3.43 | 1-2 days | |
| T11504T | Metric | M7 | 0.5 | Taper Lead Tap | Right Hand | £9.14 | 1-2 days | |
| T11554T | Metric | M7 | 0.75 | Taper Lead Tap | Right Hand | £9.14 | 1-2 days | |
| T11604T | Metric | M7 | 1 | Taper Lead Tap | Right Hand | £7.02 | 1-2 days | |
| T11654T | Metric | M7 | 1.25 | Taper Lead Tap | Right Hand | £9.14 | 1-2 days | |
| T11754T | Metric | M8 | 0.5 | Taper Lead Tap | Right Hand | £20.86 | 1-2 days | |
| T11804T | Metric | M8 | 0.75 | Taper Lead Tap | Right Hand | £9.66 | 1-2 days | |
| T11854T | Metric | M8 | 1 | Taper Lead Tap | Right Hand | £7.38 | 1-2 days | |
| T11904T | Metric | M8 | 1.25 | Taper Lead Tap | Right Hand | £4.27 | 1-2 days | |
| T12004T | Metric | M9 | 0.5 | Taper Lead Tap | Right Hand | £10.44 | 1-2 days | |
| T12054T | Metric | M9 | 0.75 | Taper Lead Tap | Right Hand | £10.44 | 1-2 days | |
| T12104T | Metric | M9 | 1 | Taper Lead Tap | Right Hand | £10.44 | 1-2 days | |
| T12154T | Metric | M9 | 1.25 | Taper Lead Tap | Right Hand | £8.72 | 1-2 days | |
| T12304T | Metric | M10 | 0.75 | Taper Lead Tap | Right Hand | £9.81 | 1-2 days | |
| T12404T | Metric | M10 | 1 | Taper Lead Tap | Right Hand | £9.66 | 1-2 days | |
| T12454T | Metric | M10 | 1.25 | Taper Lead Tap | Right Hand | £9.66 | 1-2 days | |
| T12504T | Metric | M10 | 1.5 | Taper Lead Tap | Right Hand | £5.13 | 1-2 days | |
| T12654T | Metric | M11 | 1 | Taper Lead Tap | Right Hand | £31.53 | 1-2 days | |
| T12704T | Metric | M11 | 1.25 | Taper Lead Tap | Right Hand | £21.24 | 1-2 days | |
| T12754T | Metric | M11 | 1.5 | Taper Lead Tap | Right Hand | £11.72 | 1-2 days | |
| T12854T Viewing | Metric | M12 | 0.5 | Taper Lead Tap | Right Hand | £21.24 | 1-2 days | |
| T12904T | Metric | M12 | 0.75 | Taper Lead Tap | Right Hand | £22.35 | 1-2 days | |
| T12954T | Metric | M12 | 1 | Taper Lead Tap | Right Hand | £21.21 | 1-2 days | |
| T13004T | Metric | M12 | 1.25 | Taper Lead Tap | Right Hand | £11.93 | 1-2 days | |
| T13054T | Metric | M12 | 1.5 | Taper Lead Tap | Right Hand | £11.93 | 1-2 days | |
| T13104T | Metric | M12 | 1.75 | Taper Lead Tap | Right Hand | £7.50 | 1-2 days | |
| T13204T | Metric | M13 | 1 | Taper Lead Tap | Right Hand | £26.13 | 1-2 days | |
| T13304T | Metric | M13 | 1.5 | Taper Lead Tap | Right Hand | £26.13 | 1-2 days | |
| T13354T | Metric | M13 | 1.75 | Taper Lead Tap | Right Hand | £26.13 | 1-2 days | |
| T13454T | Metric | M14 | 0.75 | Taper Lead Tap | Right Hand | £30.16 | 1-2 days | |
| T13504T | Metric | M14 | 1 | Taper Lead Tap | Right Hand | £18.04 | 1-2 days | |
| T13554T | Metric | M14 | 1.25 | Taper Lead Tap | Right Hand | £18.04 | 1-2 days | |
| T13604T | Metric | M14 | 1.5 | Taper Lead Tap | Right Hand | £13.36 | 1-2 days | |
| T13624T | Metric | M14 | 1.75 | Taper Lead Tap | Right Hand | £13.36 | 1-2 days | |
| T13654T | Metric | M14 | 2 | Taper Lead Tap | Right Hand | £9.03 | 1-2 days | |
| T13704T | Metric | M15 | 1 | Taper Lead Tap | Right Hand | £25.60 | 1-2 days | |
| T13754T | Metric | M15 | 1.5 | Taper Lead Tap | Right Hand | £25.60 | 1-2 days | |
| T13804T | Metric | M15 | 1.75 | Taper Lead Tap | Right Hand | £25.60 | 1-2 days | |
| T13904T | Metric | M16 | 1 | Taper Lead Tap | Right Hand | £30.62 | 1-2 days | |
| T13954T | Metric | M16 | 1.25 | Taper Lead Tap | Right Hand | £27.68 | 1-2 days | |
| T14004T | Metric | M16 | 1.5 | Taper Lead Tap | Right Hand | £16.43 | 1-2 days | |
| T14054T | Metric | M16 | 1.75 | Taper Lead Tap | Right Hand | £16.95 | 1-2 days | |
| T14104T | Metric | M16 | 2 | Taper Lead Tap | Right Hand | £10.76 | 1-2 days | |
| T14154T | Metric | M17 | 1 | Taper Lead Tap | Right Hand | £19.03 | 1-2 days | |
| T14304T | Metric | M18 | 1 | Taper Lead Tap | Right Hand | £23.21 | 1-2 days | |
| T14354T | Metric | M18 | 1.25 | Taper Lead Tap | Right Hand | £23.21 | 1-2 days | |
| T14404T | Metric | M18 | 1.5 | Taper Lead Tap | Right Hand | £23.21 | 1-2 days | |
| T14454T | Metric | M18 | 2 | Taper Lead Tap | Right Hand | £38.81 | 1-2 days | |
| T14504T | Metric | M18 | 2.5 | Taper Lead Tap | Right Hand | £16.74 | 1-2 days | |
| T14654T | Metric | M20 | 1 | Taper Lead Tap | Right Hand | £28.06 | 1-2 days | |
| T14704T | Metric | M20 | 1.25 | Taper Lead Tap | Right Hand | £28.06 | 1-2 days | |
| T14754T | Metric | M20 | 1.5 | Taper Lead Tap | Right Hand | £26.93 | 1-2 days | |
| T14804T | Metric | M20 | 2 | Taper Lead Tap | Right Hand | £45.18 | 1-2 days | |
| T14854T | Metric | M20 | 2.5 | Taper Lead Tap | Right Hand | £18.93 | 1-2 days | |
| T15054T | Metric | M22 | 1 | Taper Lead Tap | Right Hand | £37.45 | 1-2 days | |
| T15104T | Metric | M22 | 1.25 | Taper Lead Tap | Right Hand | £37.45 | 1-2 days | |
| T15154T | Metric | M22 | 1.5 | Taper Lead Tap | Right Hand | £37.45 | 1-2 days | |
| T15254T | Metric | M22 | 2 | Taper Lead Tap | Right Hand | £37.45 | 1-2 days | |
| T15304T | Metric | M22 | 2.5 | Taper Lead Tap | Right Hand | £22.60 | 1-2 days | |
| T15454T | Metric | M24 | 1 | Taper Lead Tap | Right Hand | £52.86 | 1-2 days | |
| T15504T | Metric | M24 | 1.25 | Taper Lead Tap | Right Hand | £52.86 | 1-2 days | |
| T15554T | Metric | M24 | 1.5 | Taper Lead Tap | Right Hand | £52.86 | 1-2 days | |
| T15604T | Metric | M24 | 2 | Taper Lead Tap | Right Hand | £44.90 | 1-2 days | |
| T15654T | Metric | M24 | 3 | Taper Lead Tap | Right Hand | £28.86 | 1-2 days | |
| T15704T | Metric | M25 | 1 | Taper Lead Tap | Right Hand | £45.05 | 1-2 days | |
| T15754T | Metric | M25 | 1.5 | Taper Lead Tap | Right Hand | £45.05 | 1-2 days | |
| T15804T | Metric | M25 | 2 | Taper Lead Tap | Right Hand | £53.41 | 1-2 days | |
| T15854T | Metric | M26 | 1 | Taper Lead Tap | Right Hand | £53.41 | 1-2 days | |
| T15904T | Metric | M26 | 1.5 | Taper Lead Tap | Right Hand | £53.41 | 1-2 days | |
| T16004T | Metric | M27 | 1 | Taper Lead Tap | Right Hand | £53.41 | 1-2 days | |
| T16054T | Metric | M27 | 1.5 | Taper Lead Tap | Right Hand | £53.41 | 1-2 days | |
| T16104T | Metric | M27 | 2 | Taper Lead Tap | Right Hand | £53.41 | 1-2 days | |
| T16154T | Metric | M27 | 3 | Taper Lead Tap | Right Hand | £48.81 | 1-2 days | |
| T16254T | Metric | M28 | 1.5 | Taper Lead Tap | Right Hand | £62.77 | 1-2 days | |
| T16304T | Metric | M28 | 2 | Taper Lead Tap | Right Hand | £62.77 | 1-2 days | |
| T16454T | Metric | M30 | 1 | Taper Lead Tap | Right Hand | £76.97 | 1-2 days | |
| T16504T | Metric | M30 | 1.5 | Taper Lead Tap | Right Hand | £84.49 | 1-2 days | |
| T16554T | Metric | M30 | 2 | Taper Lead Tap | Right Hand | £84.49 | 1-2 days | |
| T16604T | Metric | M30 | 3 | Taper Lead Tap | Right Hand | £84.49 | 1-2 days | |
| T16654T | Metric | M30 | 3.5 | Taper Lead Tap | Right Hand | £47.40 | 1-2 days | |
| T16854T | Metric | M32 | 1.5 | Taper Lead Tap | Right Hand | £97.72 | 1-2 days | |
| T16904T | Metric | M32 | 2 | Taper Lead Tap | Right Hand | £97.72 | 1-2 days | |
| T17004T | Metric | M33 | 1.5 | Taper Lead Tap | Right Hand | £110.99 | 1-2 days | |
| T17054T | Metric | M33 | 2 | Taper Lead Tap | Right Hand | £110.99 | 1-2 days | |
| T17104T | Metric | M33 | 3 | Taper Lead Tap | Right Hand | £110.99 | 1-2 days | |
| T17154T | Metric | M33 | 3.5 | Taper Lead Tap | Right Hand | £83.79 | 1-2 days | |
| T17254T | Metric | M34 | 1.5 | Taper Lead Tap | Right Hand | £110.99 | 1-2 days | |
| T17404T | Metric | M35 | 1.5 | Taper Lead Tap | Right Hand | £110.99 | 1-2 days | |
| T17554T | Metric | M36 | 1.5 | Taper Lead Tap | Right Hand | £110.99 | 1-2 days | |
| T17604T | Metric | M36 | 2 | Taper Lead Tap | Right Hand | £110.99 | 1-2 days | |
| T17654T | Metric | M36 | 3 | Taper Lead Tap | Right Hand | £110.99 | 1-2 days | |
| T17704T | Metric | M36 | 4 | Taper Lead Tap | Right Hand | £70.90 | 1-2 days | |
| T18004T | Metric | M38 | 1.5 | Taper Lead Tap | Right Hand | £110.99 | 1-2 days | |
| T18154T | Metric | M39 | 1.5 | Taper Lead Tap | Right Hand | £138.67 | 1-2 days | |
| T18204T | Metric | M39 | 2 | Taper Lead Tap | Right Hand | £105.42 | 1-2 days | |
| T18254T | Metric | M39 | 3 | Taper Lead Tap | Right Hand | £138.67 | 1-2 days | |
| T18304T | Metric | M39 | 4 | Taper Lead Tap | Right Hand | £105.42 | 1-2 days | |
| T18404T | Metric | M40 | 1.5 | Taper Lead Tap | Right Hand | £138.67 | 1-2 days | |
| T18454T | Metric | M40 | 2 | Taper Lead Tap | Right Hand | £138.67 | 1-2 days | |
| T18504T | Metric | M40 | 3 | Taper Lead Tap | Right Hand | £138.67 | 1-2 days | |
| T18704T | Metric | M42 | 1.5 | Taper Lead Tap | Right Hand | £138.67 | 1-2 days | |
| T18754T | Metric | M42 | 2 | Taper Lead Tap | Right Hand | £138.67 | 1-2 days | |
| T18804T | Metric | M42 | 3 | Taper Lead Tap | Right Hand | £138.67 | 1-2 days | |
| T18854T | Metric | M42 | 4.5 | Taper Lead Tap | Right Hand | £129.34 | 1-2 days | |
| T19254T | Metric | M45 | 1.5 | Taper Lead Tap | Right Hand | £168.82 | 1-2 days | |
| T19304T | Metric | M45 | 2 | Taper Lead Tap | Right Hand | £168.82 | 1-2 days | |
| T19354T | Metric | M45 | 3 | Taper Lead Tap | Right Hand | £168.82 | 1-2 days | |
| T19404T | Metric | M45 | 4.5 | Taper Lead Tap | Right Hand | £166.74 | 1-2 days | |
| T19554T | Metric | M48 | 1.5 | Taper Lead Tap | Right Hand | £193.31 | 1-2 days | |
| T19604T | Metric | M48 | 2 | Taper Lead Tap | Right Hand | £193.31 | 1-2 days | |
| T19654T | Metric | M48 | 3 | Taper Lead Tap | Right Hand | £193.31 | 1-2 days | |
| T19684T | Metric | M48 | 5 | Taper Lead Tap | Right Hand | £181.82 | 1-2 days | |
| T19734T | Metric | M50 | 1.5 | Taper Lead Tap | Right Hand | £198.20 | 1-2 days | |
| T19744T | Metric | M50 | 2 | Taper Lead Tap | Right Hand | £198.73 | 1-2 days | |
| T19784T | Metric | M52 | 2 | Taper Lead Tap | Right Hand | £211.01 | 1-2 days | |
| T19794T | Metric | M52 | 3 | Taper Lead Tap | Right Hand | £211.56 | 1-2 days | |
| T19804T | Metric | M52 | 5 | Taper Lead Tap | Right Hand | £202.00 | 1-2 days | |
| T19824T | Metric | M56 | 5.5 | Taper Lead Tap | Right Hand | £254.34 | 1-2 days | |
| T19834T | Metric | M60 | 2 | Taper Lead Tap | Right Hand | £320.04 | 1-2 days | |
| T19844T | Metric | M60 | 3 | Taper Lead Tap | Right Hand | £320.04 | 1-2 days | |
| T19854T | Metric | M60 | 5.5 | Taper Lead Tap | Right Hand | £281.91 | 1-2 days | |
| T19894T | Metric | M64 | 4 | Taper Lead Tap | Right Hand | £368.34 | 1-2 days | |
| T19904T | Metric | M64 | 6 | Taper Lead Tap | Right Hand | £368.34 | 1-2 days | |
| T19984T | Metric | M80 | 2 | Taper Lead Tap | Right Hand | £486.83 | 1-2 days |
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