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Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M24x3
| Thread Form | Metric |
| Size | M24 |
| Pitch | 3 |
| Tap Type | Bottom Lead Tap |
| Thread Direction | Left Hand |
Learn more about Klarna
Introducing the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M24x3, a precision internal thread cutting solution built for dependable, repeatable results. Crafted from high-speed steel and ground for accuracy, this uncoated tap is designed for general‑purpose use, delivering clean, consistent threads that meet ISO 529 dimensions. Its left‑hand threading and bottom lead design are optimized for reverse‑rotation applications, making it a trusted choice when you’re working with metric components that require a left‑hand thread.

Key features at a glance
- Left‑hand thread threads are cut in reverse direction for applications requiring a reverse‑threaded fit.
- Bottom lead design enables full thread depth from the tip to the bottom of the hole, ideal for precise, deep threading in blind or through holes.
- M24x3 metric conforms to ISO 529 standards, ensuring compatibility with other standard metric components.
- High‑speed steel ground, uncoated for general purpose reliability and straightforward use in a variety of materials.
- Bottom line metric tap purpose‑built for internal threading tasks in metalworking and fabrication shops.
Why this left‑hand metric tap matters
When your project demands a left‑hand internal thread, the Wiseman M24x3 tap provides predictable cutting action with steady chord engagement. The uncoated HSS surface handles common cutting fluids well, giving you control and feedback as you tap. Its ISO 529 compliance means you can confidently pair it with compatible drill sizes and bushings, reducing guesswork in setup and ensuring your threaded hole meets standard tolerances.
Ideal use cases
- Repairing or creating internal threads in metal housings, brackets, and assemblies that specify a left‑hand thread.
- Prototyping or maintenance work in workshops where metric M24 threads are standard.
- DIY projects and professional builds where reverse‑thread components are required for safety or functionality.
Practical tips for best results
- Secure the workpiece in a stable vise or fixture to maintain proper alignment and prevent thread deviation.
- Lubricate with an appropriate tapping fluid to reduce friction, promote smooth cutting, and extend tap life.
- Start the tap perpendicular to the hole axis, then gradually advance with a steady, even motion. For left‑hand threads, rotation is in the reverse direction of standard right‑hand tapping.
- Clean chips frequently and remove debris between passes to maintain thread integrity and finish quality.
- Test the fit with a compatible left‑hand threaded component to confirm correct engagement and thread depth.
The Wiseman M24x3 left‑hand bottom lead tap is a dependable, economical choice for professionals and dedicated hobbyists alike. Designed to deliver accurate, durable internal threads in metric sizes, it’s a go‑to tool when precision, control, and consistency matter most in your threading projects.
| Thread Form | Metric |
| Size | M24 |
| Pitch | 3 |
| Tap Type | Bottom Lead Tap |
| Thread Direction | Left 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 Bottom Lead Metric HSS Taps Left Hand
View full collection →You are viewing T15655LH2P. Click any other SKU to view its full details.
| Product SKU | Thread Form | Size | Pitch | Tap Type | Thread Direction | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| T10155LH2P | Metric | M2 | 0.4 | Bottom Lead Tap | Left Hand | £18.11 | 1-2 days | |
| T10405LH2P | Metric | M2.5 | 0.45 | Bottom Lead Tap | Left Hand | £17.92 | 1-2 days | |
| T10555LH2P | Metric | M3 | 0.5 | Bottom Lead Tap | Left Hand | £11.41 | 1-2 days | |
| T10755LH2P | Metric | M3.5 | 0.6 | Bottom Lead Tap | Left Hand | £12.65 | 1-2 days | |
| T10855LH2P | Metric | M4 | 0.7 | Bottom Lead Tap | Left Hand | £9.66 | 1-2 days | |
| T11005LH2P | Metric | M4.5 | 0.75 | Bottom Lead Tap | Left Hand | £19.68 | 1-2 days | |
| T11155LH2P | Metric | M5 | 0.8 | Bottom Lead Tap | Left Hand | £9.69 | 1-2 days | |
| T11405LH2P | Metric | M6 | 1 | Bottom Lead Tap | Left Hand | £9.69 | 1-2 days | |
| T11605LH2P | Metric | M7 | 1 | Bottom Lead Tap | Left Hand | £16.32 | 1-2 days | |
| T11755LH2P | Metric | M8 | 0.5 | Bottom Lead Tap | Left Hand | £30.52 | 1-2 days | |
| T11805LH2P | Metric | M8 | 0.75 | Bottom Lead Tap | Left Hand | £21.32 | 1-2 days | |
| T11855LH2P | Metric | M8 | 1 | Bottom Lead Tap | Left Hand | £21.32 | 1-2 days | |
| T11905LH2P | Metric | M8 | 1.25 | Bottom Lead Tap | Left Hand | £11.45 | 1-2 days | |
| T12105LH2P | Metric | M9 | 1 | Bottom Lead Tap | Left Hand | £22.47 | 1-2 days | |
| T12155LH2P | Metric | M9 | 1.25 | Bottom Lead Tap | Left Hand | £21.38 | 1-2 days | |
| T12305LH2P | Metric | M10 | 0.75 | Bottom Lead Tap | Left Hand | £30.87 | 1-2 days | |
| T12405LH2P | Metric | M10 | 1 | Bottom Lead Tap | Left Hand | £21.32 | 1-2 days | |
| T12455LH2P | Metric | M10 | 1.25 | Bottom Lead Tap | Left Hand | £21.32 | 1-2 days | |
| T12505LH2P | Metric | M10 | 1.5 | Bottom Lead Tap | Left Hand | £16.87 | 1-2 days | |
| T12755LH2P | Metric | M11 | 1.5 | Bottom Lead Tap | Left Hand | £37.64 | 1-2 days | |
| T12955LH2P | Metric | M12 | 1 | Bottom Lead Tap | Left Hand | £31.86 | 1-2 days | |
| T13005LH2P | Metric | M12 | 1.25 | Bottom Lead Tap | Left Hand | £31.86 | 1-2 days | |
| T13055LH2P | Metric | M12 | 1.5 | Bottom Lead Tap | Left Hand | £29.13 | 1-2 days | |
| T13105LH2P | Metric | M12 | 1.75 | Bottom Lead Tap | Left Hand | £23.71 | 1-2 days | |
| T13205LH2P | Metric | M13 | 1 | Bottom Lead Tap | Left Hand | £63.84 | 1-2 days | |
| T13505LH2P | Metric | M14 | 1 | Bottom Lead Tap | Left Hand | £68.63 | 1-2 days | |
| T13555LH2P | Metric | M14 | 1.25 | Bottom Lead Tap | Left Hand | £32.79 | 1-2 days | |
| T13605LH2P | Metric | M14 | 1.5 | Bottom Lead Tap | Left Hand | £28.33 | 1-2 days | |
| T13655LH2P | Metric | M14 | 2 | Bottom Lead Tap | Left Hand | £28.33 | 1-2 days | |
| T13905LH2P | Metric | M16 | 1 | Bottom Lead Tap | Left Hand | £45.83 | 1-2 days | |
| T14005LH2P | Metric | M16 | 1.5 | Bottom Lead Tap | Left Hand | £34.76 | 1-2 days | |
| T14105LH2P | Metric | M16 | 2 | Bottom Lead Tap | Left Hand | £37.64 | 1-2 days | |
| T14155LH2P | Metric | M17 | 1 | Bottom Lead Tap | Left Hand | £56.45 | 1-2 days | |
| T14305LH2P | Metric | M18 | 1 | Bottom Lead Tap | Left Hand | £55.07 | 1-2 days | |
| T14405LH2P | Metric | M18 | 1.5 | Bottom Lead Tap | Left Hand | £46.60 | 1-2 days | |
| T14455LH2P | Metric | M18 | 2 | Bottom Lead Tap | Left Hand | £57.21 | 1-2 days | |
| T14505LH2P | Metric | M18 | 2.5 | Bottom Lead Tap | Left Hand | £46.60 | 1-2 days | |
| T14655LH2P | Metric | M20 | 1 | Bottom Lead Tap | Left Hand | £63.61 | 1-2 days | |
| T14755LH2P | Metric | M20 | 1.5 | Bottom Lead Tap | Left Hand | £53.22 | 1-2 days | |
| T14805LH2P | Metric | M20 | 2 | Bottom Lead Tap | Left Hand | £78.48 | 1-2 days | |
| T14855LH2P | Metric | M20 | 2.5 | Bottom Lead Tap | Left Hand | £72.52 | 1-2 days | |
| T15055LH2P | Metric | M22 | 1 | Bottom Lead Tap | Left Hand | £78.48 | 1-2 days | |
| T15155LH2P | Metric | M22 | 1.5 | Bottom Lead Tap | Left Hand | £72.52 | 1-2 days | |
| T15255LH2P | Metric | M22 | 2 | Bottom Lead Tap | Left Hand | £78.48 | 1-2 days | |
| T15305LH2P | Metric | M22 | 2.5 | Bottom Lead Tap | Left Hand | £61.64 | 1-2 days | |
| T15455LH2P | Metric | M24 | 1 | Bottom Lead Tap | Left Hand | £86.27 | 1-2 days | |
| T15555LH2P | Metric | M24 | 1.5 | Bottom Lead Tap | Left Hand | £81.88 | 1-2 days | |
| T15605LH2P | Metric | M24 | 2 | Bottom Lead Tap | Left Hand | £94.50 | 1-2 days | |
| T15655LH2P Viewing | Metric | M24 | 3 | Bottom Lead Tap | Left Hand | £80.67 | 1-2 days | |
| T15755LH2P | Metric | M25 | 1.5 | Bottom Lead Tap | Left Hand | £67.56 | 1-2 days | |
| T15855LH2P | Metric | M26 | 1 | Bottom Lead Tap | Left Hand | £95.68 | 1-2 days | |
| T15905LH2P | Metric | M26 | 1.5 | Bottom Lead Tap | Left Hand | £95.68 | 1-2 days | |
| T16055LH2P | Metric | M27 | 1.5 | Bottom Lead Tap | Left Hand | £107.21 | 1-2 days | |
| T16155LH2P | Metric | M27 | 3 | Bottom Lead Tap | Left Hand | £82.58 | 1-2 days | |
| T16455LH2P | Metric | M30 | 1 | Bottom Lead Tap | Left Hand | £132.96 | 1-2 days | |
| T16505LH2P | Metric | M30 | 1.5 | Bottom Lead Tap | Left Hand | £141.73 | 1-2 days | |
| T16555LH2P | Metric | M30 | 2 | Bottom Lead Tap | Left Hand | £141.73 | 1-2 days | |
| T16655LH2P | Metric | M30 | 3.5 | Bottom Lead Tap | Left Hand | £88.94 | 1-2 days | |
| T16855LH2P | Metric | M32 | 1.5 | Bottom Lead Tap | Left Hand | £138.84 | 1-2 days | |
| T17155LH2P | Metric | M33 | 3.5 | Bottom Lead Tap | Left Hand | £106.56 | 1-2 days | |
| T17405LH2P | Metric | M35 | 1.5 | Bottom Lead Tap | Left Hand | £149.71 | 1-2 days | |
| T17555LH2P | Metric | M36 | 1.5 | Bottom Lead Tap | Left Hand | £149.71 | 1-2 days | |
| T17705LH2P | Metric | M36 | 4 | Bottom Lead Tap | Left Hand | £105.72 | 1-2 days | |
| T18705LH2P | Metric | M42 | 1.5 | Bottom Lead Tap | Left Hand | £206.69 | 1-2 days |
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