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Carmex Threading Tap - Spiral Point - UNC Supercut Tap - Powder Metal - 5/16 x 18
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Description
Meet the Carmex Spiral Point UNC Supercut Tap—a precision threading tool designed for professionals who demand reliable UNC threads. Crafted from durable powder metal, it handles challenging materials and high-speed tapping with confidence.
- Thread Type: Spiral Point design that pushes chips ahead, promoting smooth, consistent thread formation in UNC applications.
- Size & Thread: 5/16 in diameter, 18 threads per inch (5/16 x 18 UNC).
- Material: Powder Metal construction delivering durability and cost-effective performance for demanding jobs.
- Geometry: UNC Supercut geometry for efficient cutting and robust life in tough materials.
- Chip Evacuation: Spiral point channels chips away from the cutting edge to reduce clogging and improve reliability.
- Ideal For: High-speed threading tasks and production or repair work requiring precise UNC threads on a variety of metals.
This tap helps you shorten cycle times and minimize rework by delivering clean, accurate UNC threads with dependable chip control. The powder metal build offers resilience under demanding tapping conditions, while the spiral point design supports rapid chip removal for smoother operations. For best results, use with appropriate cutting fluid and keep your tap clean to extend its life. Ideal for automotive, machinery fabrication, and general metalworking projects that rely on sturdy UNC fasteners.
Part Numbers
- Protool Part Number
- CTPD371B031218UNC2BXXT3
- 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 - UNC Supercut Tap - Powder Metal
View full collection →You are viewing CTPD371B031218UNC2BXXT3. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Flute Length | Square | Drill Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| CTPD371B256UNC2BXXT3 | No. 2 | 56 | 45 | 10 | 2.1 | 1.85 | £35.02 | 5 days | |
| CTPD371B440UNC2BXXT3 | No. 4 | 40 | 56 | 5 | 2.7 | 2.35 | £26.74 | In Stock | |
| CTPD371B540UNC2BXXT3 | No. 5 | 40 | 56 | 7 | 2.7 | 2.65 | £26.74 | 5 days | |
| CTPD371B632UNC2BXXT3 | No. 6 | 32 | 56 | 6 | 3 | 2.85 | £28.10 | 5 days | |
| CTPD371B832UNC2BXXT3 | No. 8 | 32 | 63 | 7 | 3.4 | 3.5 | £30.60 | 5 days | |
| CTPD371B1024UNC2BXXT3 | No. 10 | 24 | 70 | 8 | 4.9 | 3.9 | £30.60 | 5 days | |
| CTPD371B1224UNC2BXXT3 | No. 12 | 24 | 80 | 10 | 4.9 | 4.5 | £31.66 | 5 days | |
| CTPD371B025020UNC2BXXT3 | 1/4 | 20 | 80 | 13 | 5.5 | 5.1 | £38.04 | 5 days | |
| CTPD371B031218UNC2BXXT3 Viewing | 5/16 | 18 | 90 | 13 | 6 | 6.6 | £38.04 | 5 days | |
| CTPD371B037516UNC2BXXT3 | 3/8 | 16 | 100 | 15 | 8 | 8 | £50.00 | 5 days | |
| CTPD376B043714UNC2BXXT3 | 7/16 | 14 | 100 | 15 | 6.2 | 9.4 | £65.00 | 5 days | |
| CTPD376B050013UNC2BXXT3 | 1/2 | 13 | 110 | 18 | 7 | 10.8 | £87.50 | 5 days | |
| CTPD376B056212UNC2BXXT3 | 9/16 | 12 | 110 | 20 | 9 | 12.2 | £87.50 | 5 days | |
| CTPD376B062511UNC2BXXT3 | 5/8 | 11 | 110 | 22 | 9 | 13.5 | £103.92 | 5 days |
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