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Carmex Threading Tap - Spiral Flute - UNC Supercut Tap - HSS-E - No. 12 x 24
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Description
The Carmex Threading Tap, Spiral Flute UNC Supercut Tap, built from HSS-E, is designed for professionals who need precise Unified National Coarse threads with durable, high-speed performance.
- Tap Size: No. 12 x 24 UNC — standard coarse-thread specification for reliable UNC tapping
- Flute Design: Spiral flute for efficient chip evacuation and reduced risk of clogging
- Material: HSS-E (high-speed steel with cobalt) for enhanced hardness, heat resistance, and tool life
- Cutting Geometry: Carmex Supercut geometry to deliver smooth initiation and consistent thread formation
- Applications: Optimized for UNC threading in demanding materials and high-speed machining environments
This tapping solution helps you achieve clean, accurate threads with minimal effort. The spiral flute clears chips quickly, reducing heat buildup and chatter, while the HSS-E construction stands up to tougher materials and longer runs. The Supercut geometry supports a confident cut from start to finish, making it a dependable choice for production, maintenance, and precision prototyping where UNC threads are required.
Part Numbers
- Protool Part Number
- CTSD371C1224UNC2BXT5
- 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 - UNC Supercut Tap - HSS-E
View full collection →You are viewing CTSD371C1224UNC2BXT5. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Flute Length | Square | Drill Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| CTSD371C256UNC2BXT5 | No. 2 | 56 | 45 | 10 | 2.1 | 1.85 | £25.46 | 5 days | |
| CTSD371C440UNC2BXT5 | No. 4 | 40 | 56 | 5 | 2.7 | 2.35 | £20.20 | In Stock | |
| CTSD371C540UNC2BXT5 | No. 5 | 40 | 56 | 7 | 2.7 | 2.65 | £20.20 | 5 days | |
| CTSD371C632UNC2BXT5 | No. 6 | 32 | 56 | 6 | 3 | 2.85 | £20.42 | 5 days | |
| CTSD371C1024UNC2BXT5 | No. 10 | 24 | 70 | 8 | 4.9 | 3.9 | £22.22 | 5 days | |
| CTSD371C1224UNC2BXT5 Viewing | No. 12 | 24 | 80 | 10 | 4.9 | 4.5 | £23.00 | 5 days | |
| CTSD371C025020UNC2BXT5 | 1/4 | 20 | 80 | 13 | 5.5 | 5.1 | £27.66 | 5 days | |
| CTSD371C031218UNC2BXT5 | 5/16 | 18 | 90 | 13 | 6 | 6.6 | £27.66 | 5 days | |
| CTSD371C037516UNC2BXT5 | 3/8 | 16 | 100 | 15 | 8 | 8 | £36.32 | 5 days | |
| CTSD376C043714UNC2BXT5 | 7/16 | 14 | 100 | 15 | 6.2 | 9.4 | £47.22 | 5 days | |
| CTSD376C050013UNC2BXT5 | 1/2 | 13 | 110 | 18 | 7 | 10.8 | £63.58 | 5 days | |
| CTSD376C056212UNC2BXT5 | 9/16 | 12 | 110 | 20 | 9 | 12.2 | £63.58 | 5 days | |
| CTSD376C062511UNC2BXT5 | 5/8 | 11 | 110 | 22 | 9 | 13.5 | £74.48 | 5 days | |
| CTSD376C075010UNC2BXT5 | 3/4 | 10 | 125 | 25 | 11 | 16.5 | £110.52 | 5 days | |
| CTSD376C08759UNC2BXT5 | 7/8 | 9 | 140 | 30 | 14.5 | 19.5 | £149.38 | 5 days | |
| CTSD376C1-8UNC2BXT5 | 1 | 8 | 160 | 30 | 16 | 22.25 | £194.02 | 5 days |
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