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Wiseman Threading Tools Second Lead Machine Nut Metric HSS Tap - M18x2.5
| Thread Form | Metric |
| Size | M18 |
| Pitch | 2.5 |
| Tap Type | Second Lead Tap |
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Description
Introducing the Wiseman Threading Tools Second Lead Machine Nut Metric HSS Tap - M18x2.5, a precision-ground high-speed steel tap designed for reliable metric threading in demanding applications. Uncoated for maximum lubrication and chip clearance, this tap follows BS 949 dimensions to ensure compatibility with standard tooling setups and accessories.
Built with a second lead (USA plug) and a right-hand thread, this tap is optimized for faster material removal and smoother entry when cutting internal threads in through-holes and thicker workpieces. The HSS core balances hardness and toughness, delivering consistent thread profiles even after multiple passes in tougher metals.
- Material and finish: High Speed Steel (HSS), ground thread for precise pitch control
- Coating: Uncoated to maximize cutting fluid compatibility and ease of chip evacuation
- Standards: BS 949 dimensions for reliable compatibility with metric tooling ecosystems
- Threading configuration: Right-hand thread with second lead (USA plug) for efficient, productive tapping
- Size and pitch: Metric M18 x 2.5
Ideal for metalworking tasks across steel, cast iron, and aluminum workpieces where precision and speed matter. Use in a drill press, milling setup, or hand tapping with proper support and lubrication to achieve clean, accurate threads in brackets, housings, machinery components, and structural hardware.
Why choose this Wiseman tap? It combines a durable HSS core with a proven screw-thread geometry, designed to deliver dependable performance in busy workshop environments. The second-lead, USA-plug configuration helps you complete holes faster without sacrificing thread quality, making it a practical upgrade for professional shops and serious hobbyists alike.
Part Numbers
- Protool Part Number
- T14509MS
- 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 Second Lead Machine Nut Metric HSS Taps
View full collection →You are viewing T14509MS. Click any other SKU to view its full details.
| Product SKU | Thread Form | Size | Pitch | Tap Type | Thread Direction | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| T10559MS | Metric | M3 | 0.5 | Second Lead Tap | Right Hand | £22.47 | 1-2 days | |
| T10859MS | Metric | M4 | 0.7 | Second Lead Tap | Right Hand | £21.93 | 1-2 days | |
| T11159MS | Metric | M5 | 0.8 | Second Lead Tap | Right Hand | £21.93 | 1-2 days | |
| T11409MS | Metric | M6 | 1 | Second Lead Tap | Right Hand | £21.93 | 1-2 days | |
| T11909MS | Metric | M8 | 1.25 | Second Lead Tap | Right Hand | £24.70 | 1-2 days | |
| T12509MS | Metric | M10 | 1.5 | Second Lead Tap | Right Hand | £30.98 | 1-2 days | |
| T13109MS | Metric | M12 | 1.75 | Second Lead Tap | Right Hand | £41.56 | 1-2 days | |
| T13659MS | Metric | M14 | 2 | Second Lead Tap | Right Hand | £52.97 | 1-2 days | |
| T14109MS | Metric | M16 | 2 | Second Lead Tap | Right Hand | £65.94 | 1-2 days | |
| T14509MS Viewing | Metric | M18 | 2.5 | Second Lead Tap | Right Hand | £89.63 | 1-2 days | |
| T14859MS | Metric | M20 | 2.5 | Second Lead Tap | Right Hand | £107.48 | 1-2 days | |
| T15659MS | Metric | M24 | 3 | Second Lead Tap | Right Hand | £124.28 | 1-2 days |
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