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Wiseman Threading Tools Second Lead Tap - +0.001 Tolerance - M2.5x0.45mm
| Thread Form | Metric Oversize |
| Size | M2.5 |
| Pitch | 0.45 |
| Tolerance | +0.001 |
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Description
Precision you can rely on, the Wiseman Threading Tools Second Lead Tap in M2.5x0.45mm is built for handheld internal thread cutting with unmatched accuracy. The +0.001 tolerance ensures every thread is true to size, delivering tight fits and dependable engagement in even the most demanding assemblies.
Designed for reliability, this hand tap uses a second lead geometry to improve cutting efficiency and chip clearance. That means smoother starts, cleaner cuts, and more consistent thread quality in fine-pitch work — all without the need for powered tapping tools.
Why this tap stands out
- Second lead design: enhanced cutting action for small-diameter threads and better chip management, so you finish with fewer passes.
- Tight +0.001 tolerance: precise thread dimensions that minimize play and maximize fastener engagement in precision projects.
- Durable construction: built from durable materials to deliver dependable performance and long-term longevity in demanding use cases.
- Metric specification: M2.5x0.45mm internal threads, a common choice for compact mechanical components, electronics housings, and miniature assemblies.
- Hand-tap versatility: ideal for hobbyists and professionals alike who want clean, strong threads without relying on power tools.
Use cases and practical applications
Perfect for restoring or fabricating small internal threads in metal, plastic, or composite parts where precision matters. Whether you’re assembling intricate electronics enclosures, precision control housings, drone components, or model-making projects, this Wiseman tap helps you achieve reliable thread engagement and repeatable results.
Tips for best results
- Pre-drill with the appropriate pilot hole for M2.5x0.45 threads to ensure clean tapping and reduce the risk of cross-threading.
- Apply a light tapping fluid or cutting oil to minimize friction and extend tool life.
- Maintain straight alignment during tapping and back off slightly to break chips for a smooth finish.
- Clean the threaded bore after tapping to ensure seamless insertion of fasteners.
Part Numbers
- Protool Part Number
- T07103S1
- Brand
- Wiseman
- Category
- Metric Oversize 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 Hand Taps - +0.001 Tolerance
View full collection →You are viewing T07103S1. Click any other SKU to view its full details.
| Product SKU | Thread Form | Size | Pitch | Tolerance | Lead | Thread Direction | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| T07102P1 | Metric Oversize | M2.5 | 0.45 | +0.001 | Bottom | Right Hand | £29.15 | 1-2 days | |
| T07103S1 Viewing | Metric Oversize | M2.5 | 0.45 | +0.001 | Second | Right Hand | £29.15 | 1-2 days | |
| T07104T1 | Metric Oversize | M2.5 | 0.45 | +0.001 | Taper | Right Hand | £29.15 | 1-2 days | |
| T07152P1 | Metric Oversize | M3 | 0.5 | +0.001 | Bottom | Right Hand | £29.15 | 1-2 days | |
| T07153S1 | Metric Oversize | M3 | 0.5 | +0.001 | Second | Right Hand | £29.15 | 1-2 days | |
| T07154T1 | Metric Oversize | M3 | 0.5 | +0.001 | Taper | Right Hand | £29.15 | 1-2 days | |
| T07202P1 | Metric Oversize | M4 | 0.7 | +0.001 | Bottom | Right Hand | £29.15 | 1-2 days | |
| T07203S1 | Metric Oversize | M4 | 0.7 | +0.001 | Second | Right Hand | £29.15 | 1-2 days | |
| T07204T1 | Metric Oversize | M4 | 0.7 | +0.001 | Taper | Right Hand | £29.15 | 1-2 days | |
| T07252P1 | Metric Oversize | M5 | 0.8 | +0.001 | Bottom | Right Hand | £29.15 | 1-2 days | |
| T07253S1 | Metric Oversize | M5 | 0.8 | +0.001 | Second | Right Hand | £29.15 | 1-2 days | |
| T07254T1 | Metric Oversize | M5 | 0.8 | +0.001 | Taper | Right Hand | £29.15 | 1-2 days | |
| T07302P1 | Metric Oversize | M6 | 1 | +0.001 | Bottom | Right Hand | £29.15 | 1-2 days | |
| T07303S1 | Metric Oversize | M6 | 1 | +0.001 | Second | Right Hand | £29.15 | 1-2 days | |
| T07304T1 | Metric Oversize | M6 | 1 | +0.001 | Taper | Right Hand | £29.15 | 1-2 days |
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