Please log in here to access all benefits, including promotional discounts and faster checkouts.


Carmex Threading Tap - Spiral Point - UNF Supercut Tap - HSS-E - 3/8 x 24
Learn more about Klarna
Description
The Carmex Spiral Point UNF Supercut Tap (3/8 x 24) is a precision threading tool designed for UNF applications in demanding materials. Built for professionals who need reliable, fast tapping with long tool life, it delivers clean threads and consistent performance.
- Thread Size and Type: 3/8 x 24 UNF threading for fine, high-precision threads.
- Material: HSS-E (high-speed steel with cobalt content) for enhanced wear resistance and heat tolerance.
- Design: Spiral Point geometry directs chips forward and reduces clogging, enabling smoother starts and faster cutting.
- Specialty: UNF Supercut geometry engineered for precise, durable threads in tough materials.
- Application Focus: Optimized for high-speed threading operations where strong, accurate UNF threads are required.
Designed to deliver reliable, repeatable results, this tap minimizes chip-related interruptions and extends tool life through its cobalt-enhanced steel. Whether you’re working with challenging materials or need consistent, high-precision UNF threads, the Carmex Spiral Point UNF Supercut Tap provides steady performance and predictable outcomes, making it a dependable choice for professional machinists and metalworking shops.
Part Numbers
- Protool Part Number
- CTPD371B037524UNF2BXT5
- 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 Point - UNF Supercut Tap - HSS-E
View full collection →You are viewing CTPD371B037524UNF2BXT5. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Flute Length | Square | Drill Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| CTPD371B836UNF2BXT5 | No. 8 | 36 | 63 | 12 | 3.4 | 3.5 | £21.34 | 5 days | |
| CTPD371B1032UNF2BXT5 | No. 10 | 32 | 70 | 14 | 4.9 | 4.1 | £21.34 | 5 days | |
| CTPD371B1228UNF2BXT5 | No. 12 | 28 | 80 | 18 | 4.9 | 4.6 | £22.12 | 5 days | |
| CTPD371B025028UNF2BXT5 | 1/4 | 28 | 80 | 18 | 5.5 | 5.5 | £26.50 | 5 days | |
| CTPD371B031224UNF2BXT5 | 5/16 | 24 | 90 | 20 | 6 | 6.9 | £26.50 | 5 days | |
| CTPD371B037524UNF2BXT5 Viewing | 3/8 | 24 | 100 | 20 | 8 | 8.5 | £34.80 | 5 days | |
| CTPD374B043720UNF2BXT5 | 7/16 | 20 | 100 | 20 | 6.2 | 9.9 | £45.28 | 5 days | |
| CTPD374B050020UNF2BXT5 | 1/2 | 20 | 100 | 20 | 7 | 11.5 | £60.94 | 5 days | |
| CTPD374B056218UNF2BXT5 | 9/16 | 18 | 100 | 20 | 9 | 12.9 | £69.06 | 5 days | |
| CTPD374B062518UNF2BXT5 | 5/8 | 18 | 100 | 20 | 9 | 14.5 | £69.06 | 5 days | |
| CTPD374B075016UNF2BXT5 | 3/4 | 16 | 110 | 24 | 11 | 17.5 | £102.64 | 5 days | |
| CTPD374B087514UNF2BXT5 | 7/8 | 14 | 125 | 24 | 14.5 | 20.4 | £141.48 | 5 days | |
| CTPD374B112UNF2BXT5 | 1 | 12 | 140 | 27 | 14.5 | 23.25 | £189.28 | 5 days |
No products match your filters.