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Carmex Threading Tap - Spiral Point - UNC Supercut Tap - HSS-E - 3/8 x 16
| Style | Spiral Point |
| Form | UNC |
| Size | 3/8 |
| Pitch | 16 |
| Tolerance | 2B |
| Standard | DIN 371 |
Learn more about Klarna
The Carmex Spiral Point UNC Supercut Tap (3/8 x 16) is a precision threading tool designed for professionals who demand reliable UNC threads in tough materials. Built for durability and speed, it delivers consistent results in demanding machining and tapping applications.
- Size & Thread Type: 3/8" diameter, 16 threads per inch, UNC (3/8-16 UNC)
- Material: HSS-E (high-speed steel with cobalt) for enhanced hardness and heat resistance
- Geometry: Spiral Point for efficient chip evacuation and forward threading
- Designation: UNC Supercut geometry optimized for clean, accurate thread formation
- Application: Ideal for Unified National Coarse thread tapping in challenging materials
- Performance: Designed for high-speed threading with reduced chip buildup and minimal clogging
This tap combines the durability of cobalt-enhanced HSS with a spiral-point design to push chips out of the thread path, reducing rework and downtime. Its robust construction and precise geometry help you achieve smooth, accurate UNC threads on tougher materials, making it a dependable choice for automotive, fabrication, and maintenance tasks where reliable taps matter.
| Style | Spiral Point |
| Form | UNC |
| Size | 3/8 |
| Pitch | 16 |
| Tolerance | 2B |
| Standard | DIN 371 |
| Reach | 39 |
| Thread Direction | Right Hand |
| Substrate | HSS-E |
| Materials | Universal |
| Shank Diameter | 10 |
| Overall Length | 100 |
| Flute Length | 20 |
| Square | 8 |
| Drill Diameter | 8 |
| Finish | XT5 |
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 - UNC Supercut Tap - HSS-E
View full collection →You are viewing CTPD371B037516UNC2BXT5. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Flute Length | Square | Drill Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| CTPD371B256UNC2BXT5 | No. 2 | 56 | 45 | 10 | 2.1 | 1.85 | £22.22 | 5 days | |
| CTPD371B440UNC2BXT5 | No. 4 | 40 | 56 | 10 | 2.7 | 2.35 | £19.34 | In Stock | |
| CTPD371B540UNC2BXT5 | No. 5 | 40 | 56 | 10 | 2.7 | 2.65 | £19.34 | 5 days | |
| CTPD371B832UNC2BXT5 | No. 8 | 32 | 63 | 12 | 3.4 | 3.5 | £21.34 | 5 days | |
| CTPD371B1024UNC2BXT5 | No. 10 | 24 | 70 | 14 | 4.9 | 3.9 | £21.34 | 5 days | |
| CTPD371B1224UNC2BXT5 | No. 12 | 24 | 80 | 18 | 4.9 | 4.5 | £22.12 | 5 days | |
| CTPD371B025020UNC2BXT5 | 1/4 | 20 | 80 | 18 | 5.5 | 5.1 | £26.50 | 5 days | |
| CTPD371B031218UNC2BXT5 | 5/16 | 18 | 90 | 20 | 6 | 6.6 | £26.50 | 5 days | |
| CTPD371B037516UNC2BXT5 Viewing | 3/8 | 16 | 100 | 20 | 8 | 8 | £34.80 | 5 days | |
| CTPD376B043714UNC2BXT5 | 7/16 | 14 | 100 | 22 | 6.2 | 9.4 | £45.28 | 5 days | |
| CTPD376B050013UNC2BXT5 | 1/2 | 13 | 110 | 24 | 7 | 10.8 | £60.94 | 5 days | |
| CTPD376B056212UNC2BXT5 | 9/16 | 12 | 110 | 25 | 9 | 12.2 | £60.94 | 5 days | |
| CTPD376B062511UNC2BXT5 | 5/8 | 11 | 110 | 32 | 9 | 13.5 | £69.06 | 5 days | |
| CTPD376B075010UNC2BXT5 | 3/4 | 10 | 125 | 32 | 11 | 16.5 | £102.64 | 5 days | |
| CTPD376B08759UNC2BXT5 | 7/8 | 9 | 140 | 32 | 14.5 | 19.5 | £138.30 | 5 days | |
| CTPD376B1-8UNC2BXT5 | 1 | 8 | 160 | 38 | 16 | 22.25 | £189.28 | 5 days |
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