Please log in here to access all benefits, including promotional discounts and faster checkouts.
Carmex Threading Tap - Spiral Flute - UNF Supercut Tap - Powder Metal - 1/4 x 28
Learn more about Klarna
Description
The Carmex Threading Tap – Spiral Flute – UNF Supercut Tap in powder metal is built for precision UNF threading at 1/4-28. Designed for machinists, shop technicians, and production environments, it delivers dependable performance in demanding materials and high-speed operations.
- Threading Tap Type: Spiral Flute with UNF Supercut geometry for efficient cutting and reliable chip control.
- Size and Thread: 1/4-28 UNF threading tap for fine-pitch applications.
- Material: Powder metal construction offering durability and wear resistance in tough tapping tasks.
- Chip Evacuation: Spiral flute design promotes fast, continuous chip removal to minimize clogging.
- Applications: Ideal for precision threading in challenging materials and high-speed threading operations.
- Brand and Quality: Carmex reliability and engineered geometry designed for repeatable results in professional settings.
This tap helps you produce clean, accurate threads with fewer passes, thanks to its spiral flute design and robust powder metal composition. The combination reduces heat buildup and wear during fast threading cycles, extending tool life and reducing downtime. Whether you’re servicing small fasteners, assembling precise components, or performing high-volume production work, this tap provides dependable performance and consistent results.
Part Numbers
- Protool Part Number
- CTSD371C025028UNF2BXXT3
- Brand
- Carmex
- Category
- Threading 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: Carmex Threading Taps - Spiral Flute - UNF Supercut Tap - Powder Metal
View full collection →You are viewing CTSD371C025028UNF2BXXT3. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Flute Length | Square | Drill Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| CTSD371C448UNF2BXXT3 | No. 4 | 48 | 56 | 5 | 2.7 | 2.4 | £29.70 | 5 days | |
| CTSD371C544UNF2BXXT3 | No. 5 | 44 | 56 | 7 | 2.7 | 2.7 | £29.70 | 5 days | |
| CTSD371C640UNF2BXXT3 | No. 6 | 40 | 56 | 6 | 3 | 2.95 | £31.30 | 5 days | |
| CTSD371C836UNF2BXXT3 | No. 8 | 36 | 63 | 7 | 3.4 | 3.5 | £31.30 | 5 days | |
| CTSD371C1032UNF2BXXT3 | No. 10 | 32 | 70 | 8 | 4.9 | 4.1 | £33.98 | 5 days | |
| CTSD371C1228UNF2BXXT3 | No. 12 | 28 | 80 | 10 | 4.9 | 4.6 | £35.20 | 5 days | |
| CTSD371C025028UNF2BXXT3 Viewing | 1/4 | 28 | 80 | 10 | 5.5 | 5.5 | £42.28 | 5 days | |
| CTSD371C031224UNF2BXXT3 | 5/16 | 24 | 90 | 13 | 6 | 6.9 | £42.28 | 5 days | |
| CTSD371C037524UNF2BXXT3 | 3/8 | 24 | 100 | 15 | 8 | 8.5 | £55.54 | 5 days | |
| CTSD374C043720UNF2BXXT3 | 7/16 | 20 | 100 | 15 | 6.2 | 9.9 | £72.22 | 5 days | |
| CTSD374C050020UNF2BXXT3 | 1/2 | 20 | 100 | 15 | 7 | 11.5 | £97.24 | 5 days | |
| CTSD374C056218UNF2BXXT3 | 9/16 | 18 | 100 | 15 | 9 | 12.9 | £115.46 | 5 days | |
| CTSD374C062518UNF2BXXT3 | 5/8 | 18 | 100 | 15 | 9 | 14.5 | £115.46 | 5 days |
No products match your filters.
