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Wiseman Threading Tools Spiral Flute Metric HSS Tap Right Hand - M20x1
| Thread Form | Metric |
| Size | M20 |
| Pitch | 1 |
| Tap Type | Spiral Flute Tap |
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Description
Wiseman Threading Tools Spiral Flute Metric HSS Tap, Right Hand - M20x1 is a precision-ground, uncoated high-speed steel tap designed for reliable, general-purpose threading in metal. Built to ISO 529 dimensions, this right-hand tap features a spiral flute that excels at chip evacuation and smooth cutting, delivering clean threads with less binding in through-holes and deeper cavities.

- The helical flute channels chips up and out of the hole as you cut, reducing clogging and minimizing thread distortion, which is especially helpful in longer holes or tougher metals.
- Made from high-speed steel and ground for precision, this tap offers dependable wear resistance and a sharp cutting edge for consistent thread profiles.
- The uncoated finish keeps cutting action straightforward and compatible with standard cutting oils, making it versatile for a wide range of metals.
- Adheres to established dimensions for reliable fit with corresponding female threads, ensuring predictable results in projects and repairs.
- M20x1 threading is ideal for many automotive, machinery, and fabrication applications that require a precise, standard metric thread.
This tapping tool is ideal for machinists, hobbyists, and workshop professionals who need durable, accurate threads without specialized equipment. Use with a tap handle or machine taping setup, apply a light cutting oil to reduce friction, and start the cut straight to maintain alignment. Begin with a gentle turn to establish the thread, then advance progressively while keeping the workpiece securely clamped. Periodically back off to clear chips and prevent binding, especially in deeper holes.
Who it's for: builders, repair technicians, and fabricators tackling metal projects that require reliable M20x1 threads. It’s well-suited for steel and aluminum workpieces where quick, clean threading is essential.
Key benefits at a glance:
- Precise, ISO 529-compliant M20x1 right-hand threads
- Efficient chip evacuation minimizes chatter and thread damage
- Durable HSS construction provides long life with proper lubrication
- Uncoated surface offers straightforward compatibility with common cutting oils
- Versatile for through-holes and deeper cavities in a variety of metals
Whether you're building a new component, repairing a stripped thread, or completing a precise metalworking project, this Wiseman M20x1 spiral flute HSS tap delivers dependable performance, predictable results, and a finish you can trust.
Part Numbers
- Protool Part Number
- T14657SF
- 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 Spiral Flute Metric HSS Taps
View full collection →You are viewing T14657SF. Click any other SKU to view its full details.
| Product SKU | Thread Form | Size | Pitch | Tap Type | Thread Direction | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| T10057SF | Metric | M1.6 | 0.35 | Spiral Flute Tap | Right Hand | £19.95 | 1-2 days | |
| T10157SF | Metric | M2 | 0.4 | Spiral Flute Tap | Right Hand | £15.94 | 1-2 days | |
| T10407SF | Metric | M2.5 | 0.45 | Spiral Flute Tap | Right Hand | £10.80 | 1-2 days | |
| T10557SF | Metric | M3 | 0.5 | Spiral Flute Tap | Right Hand | £6.56 | 1-2 days | |
| T10757SF | Metric | M3.5 | 0.6 | Spiral Flute Tap | Right Hand | £10.80 | 1-2 days | |
| T10807SF | Metric | M4 | 0.5 | Spiral Flute Tap | Right Hand | £24.85 | 1-2 days | |
| T10857SF | Metric | M4 | 0.7 | Spiral Flute Tap | Right Hand | £6.12 | 1-2 days | |
| T11007SF | Metric | M4.5 | 0.75 | Spiral Flute Tap | Right Hand | £7.40 | 1-2 days | |
| T11057SF | Metric | M5 | 0.5 | Spiral Flute Tap | Right Hand | £19.87 | 1-2 days | |
| T11157SF | Metric | M5 | 0.8 | Spiral Flute Tap | Right Hand | £5.82 | 1-2 days | |
| T11357SF | Metric | M6 | 0.75 | Spiral Flute Tap | Right Hand | £12.94 | 1-2 days | |
| T11407SF | Metric | M6 | 1 | Spiral Flute Tap | Right Hand | £6.56 | 1-2 days | |
| T11607SF | Metric | M7 | 1 | Spiral Flute Tap | Right Hand | £13.34 | 1-2 days | |
| T11807SF | Metric | M8 | 0.75 | Spiral Flute Tap | Right Hand | £22.68 | 1-2 days | |
| T11857SF | Metric | M8 | 1 | Spiral Flute Tap | Right Hand | £24.32 | 1-2 days | |
| T11907SF | Metric | M8 | 1.25 | Spiral Flute Tap | Right Hand | £7.25 | 1-2 days | |
| T12107SF | Metric | M9 | 1 | Spiral Flute Tap | Right Hand | £17.43 | 1-2 days | |
| T12157SF | Metric | M9 | 1.25 | Spiral Flute Tap | Right Hand | £15.92 | 1-2 days | |
| T12407SF | Metric | M10 | 1 | Spiral Flute Tap | Right Hand | £30.71 | 1-2 days | |
| T12457SF | Metric | M10 | 1.25 | Spiral Flute Tap | Right Hand | £30.71 | 1-2 days | |
| T12507SF | Metric | M10 | 1.5 | Spiral Flute Tap | Right Hand | £9.24 | 1-2 days | |
| T12657SF | Metric | M11 | 1 | Spiral Flute Tap | Right Hand | £46.56 | 1-2 days | |
| T12957SF | Metric | M12 | 1 | Spiral Flute Tap | Right Hand | £41.71 | 1-2 days | |
| T13007SF | Metric | M12 | 1.25 | Spiral Flute Tap | Right Hand | £43.89 | 1-2 days | |
| T13057SF | Metric | M12 | 1.5 | Spiral Flute Tap | Right Hand | £24.47 | 1-2 days | |
| T13107SF | Metric | M12 | 1.75 | Spiral Flute Tap | Right Hand | £13.65 | 1-2 days | |
| T13207SF | Metric | M13 | 1 | Spiral Flute Tap | Right Hand | £52.42 | 1-2 days | |
| T13507SF | Metric | M14 | 1 | Spiral Flute Tap | Right Hand | £54.06 | 1-2 days | |
| T13557SF | Metric | M14 | 1.25 | Spiral Flute Tap | Right Hand | £42.13 | 1-2 days | |
| T13607SF | Metric | M14 | 1.5 | Spiral Flute Tap | Right Hand | £36.42 | 1-2 days | |
| T13657SF | Metric | M14 | 2 | Spiral Flute Tap | Right Hand | £19.43 | 1-2 days | |
| T13907SF | Metric | M16 | 1 | Spiral Flute Tap | Right Hand | £56.16 | 1-2 days | |
| T14007SF | Metric | M16 | 1.5 | Spiral Flute Tap | Right Hand | £35.96 | 1-2 days | |
| T14107SF | Metric | M16 | 2 | Spiral Flute Tap | Right Hand | £21.63 | 1-2 days | |
| T14157SF | Metric | M17 | 1 | Spiral Flute Tap | Right Hand | £46.90 | 1-2 days | |
| T14307SF | Metric | M18 | 1 | Spiral Flute Tap | Right Hand | £52.13 | 1-2 days | |
| T14407SF | Metric | M18 | 1.5 | Spiral Flute Tap | Right Hand | £52.13 | 1-2 days | |
| T14507SF | Metric | M18 | 2.5 | Spiral Flute Tap | Right Hand | £42.26 | 1-2 days | |
| T14657SF Viewing | Metric | M20 | 1 | Spiral Flute Tap | Right Hand | £52.13 | 1-2 days | |
| T14757SF | Metric | M20 | 1.5 | Spiral Flute Tap | Right Hand | £57.84 | 1-2 days | |
| T14857SF | Metric | M20 | 2.5 | Spiral Flute Tap | Right Hand | £36.23 | 1-2 days | |
| T15057SF | Metric | M22 | 1 | Spiral Flute Tap | Right Hand | £75.92 | 1-2 days | |
| T15157SF | Metric | M22 | 1.5 | Spiral Flute Tap | Right Hand | £66.87 | 1-2 days | |
| T15307SF | Metric | M22 | 2.5 | Spiral Flute Tap | Right Hand | £56.28 | 1-2 days | |
| T15457SF | Metric | M24 | 1 | Spiral Flute Tap | Right Hand | £79.62 | 1-2 days | |
| T15557SF | Metric | M24 | 1.5 | Spiral Flute Tap | Right Hand | £60.76 | 1-2 days | |
| T15607SF | Metric | M24 | 2 | Spiral Flute Tap | Right Hand | £69.58 | 1-2 days | |
| T15657SF | Metric | M24 | 3 | Spiral Flute Tap | Right Hand | £53.01 | 1-2 days | |
| T15757SF | Metric | M25 | 1.5 | Spiral Flute Tap | Right Hand | £69.58 | 1-2 days | |
| T15857SF | Metric | M26 | 1 | Spiral Flute Tap | Right Hand | £69.58 | 1-2 days | |
| T15907SF | Metric | M26 | 1.5 | Spiral Flute Tap | Right Hand | £69.58 | 1-2 days | |
| T16057SF | Metric | M27 | 1.5 | Spiral Flute Tap | Right Hand | £69.58 | 1-2 days | |
| T16107SF | Metric | M27 | 2 | Spiral Flute Tap | Right Hand | £69.58 | 1-2 days | |
| T16157SF | Metric | M27 | 3 | Spiral Flute Tap | Right Hand | £69.58 | 1-2 days | |
| T16457SF | Metric | M30 | 1 | Spiral Flute Tap | Right Hand | £127.26 | 1-2 days | |
| T16507SF | Metric | M30 | 1.5 | Spiral Flute Tap | Right Hand | £108.28 | 1-2 days | |
| T16557SF | Metric | M30 | 2 | Spiral Flute Tap | Right Hand | £108.28 | 1-2 days | |
| T16657SF | Metric | M30 | 3.5 | Spiral Flute Tap | Right Hand | £100.57 | 1-2 days | |
| T16857SF | Metric | M32 | 1.5 | Spiral Flute Tap | Right Hand | £116.76 | 1-2 days | |
| T17107SF | Metric | M33 | 3 | Spiral Flute Tap | Right Hand | £117.94 | 1-2 days | |
| T17157SF | Metric | M33 | 3.5 | Spiral Flute Tap | Right Hand | £115.63 | 1-2 days | |
| T17707SF | Metric | M36 | 4 | Spiral Flute Tap | Right Hand | £100.49 | 1-2 days | |
| T18307SF | Metric | M39 | 4 | Spiral Flute Tap | Right Hand | £128.48 | 1-2 days | |
| T18857SF | Metric | M42 | 4.5 | Spiral Flute Tap | Right Hand | £158.07 | 1-2 days | |
| T19407SF | Metric | M45 | 4.5 | Spiral Flute Tap | Right Hand | £187.05 | 1-2 days | |
| T19687SF | Metric | M48 | 5 | Spiral Flute Tap | Right Hand | £237.49 | 1-2 days |
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