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Carmex Threading Tap - Spiral Point - UNF Supercut Tap - Powder Metal - 5/16 x 24
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Description
Precision threading for UNF applications, built for professionals who demand consistent results. The Carmex Spiral Point UNF Supercut Tap (Powder Metal, 5/16 x 24) is engineered to deliver durable, reliable performance in challenging materials and high-speed threading operations.
- Threading Standard: UNF (Unified National Fine) threads designed for precise, high-torque tapping in fine-pitch applications.
- Size: 5/16 x 24 UNF, matching common fine-pitch specifications for automotive, aerospace, and general machining tasks.
- Material: Powder metal construction for enhanced durability and wear resistance in demanding cutting environments.
- Design: Spiral Point (Supercut) geometry that efficiently channels and evacuates chips, helping prevent clogging and ensuring smooth threading.
- Application: Ideal for high-speed tapping and precision threading into challenging materials where reliable chip flow matters.
- Brand: Carmex, a trusted name in precision tapping for professional shop settings.
This tap is built to help you achieve clean, accurate UNF threads with less risk of chip buildup and thread defects. The combination of powder metal durability and the Spiral Point design supports consistent performance through repetitive production cycles, making it a practical choice for machining centers, manual tapping operations, and job shops alike.
Part Numbers
- Protool Part Number
- CTPD371B031224UNF2BXXT3
- 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 - Powder Metal
View full collection →You are viewing CTPD371B031224UNF2BXXT3. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Flute Length | Square | Drill Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| CTPD371B448UNF2BXXT3 | No. 4 | 48 | 56 | 5 | 2.7 | 2.4 | £26.74 | 5 days | |
| CTPD371B544UNF2BXXT3 | No. 5 | 44 | 56 | 7 | 2.7 | 2.7 | £26.74 | 5 days | |
| CTPD371B640UNF2BXXT3 | No. 6 | 40 | 56 | 6 | 3 | 2.95 | £28.10 | 5 days | |
| CTPD371B836UNF2BXXT3 | No. 8 | 36 | 63 | 7 | 3.4 | 3.5 | £28.10 | 5 days | |
| CTPD371B1032UNF2BXXT3 | No. 10 | 32 | 70 | 8 | 4.9 | 4.1 | £30.60 | 5 days | |
| CTPD371B1228UNF2BXXT3 | No. 12 | 28 | 80 | 10 | 4.9 | 4.6 | £31.66 | 5 days | |
| CTPD371B025028UNF2BXXT3 | 1/4 | 28 | 80 | 10 | 5.5 | 5.5 | £38.04 | 5 days | |
| CTPD371B031224UNF2BXXT3 Viewing | 5/16 | 24 | 90 | 13 | 6 | 6.9 | £38.04 | 5 days | |
| CTPD371B037524UNF2BXXT3 | 3/8 | 24 | 100 | 15 | 8 | 8.5 | £50.00 | 5 days | |
| CTPD374B043720UNF2BXXT3 | 7/16 | 20 | 100 | 15 | 6.2 | 9.9 | £65.00 | 5 days | |
| CTPD374B050020UNF2BXXT3 | 1/2 | 20 | 100 | 15 | 7 | 11.5 | £87.50 | 5 days | |
| CTPD374B056218UNF2BXXT3 | 9/16 | 18 | 100 | 15 | 9 | 12.9 | £103.92 | 5 days | |
| CTPD374B062518UNF2BXXT3 | 5/8 | 18 | 100 | 15 | 9 | 14.5 | £103.92 | 5 days |
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