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Tanoi Metric Left Hand Tap Uncoated Spiral Flute HSS-E V3 for most materials M20x2.5
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Description
Precision-engineered for metric threading, the Tanoi M20x2.5 Left-Hand Tap is a high-performance tool designed for professionals who need reliable reverse-direction tapping across a wide range of materials. Its left-handed spiral-flute design delivers consistent, accurate thread formation with smooth operation.
- Left-Hand Design: Cuts threads in the reverse direction, enabling precise threading and easy backing out in specialized applications.
- Metric Size: M20x2.5 thread specification for standard metric applications.
- Material: HSS-E (High-Speed Steel - Enhanced) for durability and wear resistance in demanding jobs.
- Flute Style: Uncoated spiral flute for efficient cutting, good chip evacuation, and compatibility with a broad material range.
- Coating: Uncoated surface to maintain versatility and heat tolerance across metals.
- Designation: V3 geometry optimized for smooth cutting and extended tool life.
Whether you're updating a mechanical assembly or performing reverse-thread repairs, this left-hand tap provides the control and reliability you need. The combination of HSS-E material, uncoated finish, and spiral-flute geometry supports clean, accurate thread formation with repeatable results across many materials. With the M20x2.5 sizing, it fits common metric components and fasteners, making it a practical addition to any machinist’s toolkit.
Part Numbers
- Protool Part Number
- 305.080
- Brand
- Tanoi
- Category
- Threading Tap
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
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: Tanoi Threading Taps - Metric, Left Handed (105/305)
View full collection →You are viewing 305.080. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Shank Diameter | Overall Length | Flute Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| 105.075 | M4 | 0.7 | 21 | 4.5 | 63 | £22.78 | In Stock | |
| 105.085 | M5 | 0.8 | 25 | 6 | 70 | £23.40 | 5 days | |
| 105.090 | M6 | 1.0 | 30 | 6 | 80 | £23.71 | In Stock | |
| 105.100 | M8 | 1.25 | 35 | 8 | 90 | £27.46 | In Stock | |
| 105.110 | M10 | 1.5 | 39 | 10 | 100 | £32.05 | 5 days | |
| 305.060 | M12 | 1.75 | 9 | 110 | 18 | £37.67 | In Stock | |
| 305.070 | M16 | 2 | 12 | 110 | 20 | £77.32 | 5 days | |
| 305.080 Viewing | M20 | 2.5 | 16 | 140 | 25 | £110.13 | In Stock |
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