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Carmex Threading Tap - Spiral Flute - UNC Supercut Tap - Powder Metal - No. 5 x 40
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Description
The Carmex Threading Tap, Spiral Flute, UNC Supercut is a high-precision tapping solution built for Unified National Coarse (UNC) threads. Designed for machinists and maintenance professionals, it delivers dependable cutting performance in demanding materials with durable powder-metal construction.
- Size x Length: No. 5 x 40 — precise sizing for UNC coarse threads
- Flute Design: Spiral flute for efficient chip clearance and smoother cutting
- Material: Powder metal construction for enhanced wear resistance and durability
- Thread Type: UNC (Unified National Coarse) threading standard
- Tap Type: Supercut design optimized for high-speed, high-feed-rate tapping
- Application: Suitable for challenging materials in production and repair environments
The spiral flute clears chips quickly, reducing the risk of clogging and heat buildup during fast threading. Powder-metal construction supports long tool life and consistent performance across multiple jobs, helping you maintain precise thread profiles even in tougher materials. Ideal for steel, cast iron, and other challenging alloys, this tap delivers reliable starts, clean threads, and repeatable results that keep your work progressing smoothly.
Part Numbers
- Protool Part Number
- CTSD371C540UNC2BXXT3
- 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 - Powder Metal
View full collection →You are viewing CTSD371C540UNC2BXXT3. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Flute Length | Square | Drill Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| CTSD371C256UNC2BXXT3 | No. 2 | 56 | 45 | 10 | 2.1 | 1.85 | £37.98 | 5 days | |
| CTSD371C440UNC2BXXT3 | No. 4 | 40 | 56 | 5 | 2.7 | 2.35 | £29.70 | 5 days | |
| CTSD371C540UNC2BXXT3 Viewing | No. 5 | 40 | 56 | 7 | 2.7 | 2.65 | £29.70 | 5 days | |
| CTSD371C632UNC2BXXT3 | No. 6 | 32 | 56 | 6 | 3 | 2.85 | £31.30 | 5 days | |
| CTSD371C832UNC2BXXT3 | No. 8 | 32 | 63 | 7 | 3.4 | 3.5 | £33.98 | 5 days | |
| CTSD371C1024UNC2BXXT3 | No. 10 | 24 | 70 | 8 | 4.9 | 3.9 | £33.98 | 5 days | |
| CTSD371C1224UNC2BXXT3 | No. 12 | 24 | 80 | 10 | 4.9 | 4.5 | £35.20 | 5 days | |
| CTSD371C025020UNC2BXXT3 | 1/4 | 20 | 80 | 13 | 5.5 | 5.1 | £42.28 | 5 days | |
| CTSD371C031218UNC2BXXT3 | 5/16 | 18 | 90 | 13 | 6 | 6.6 | £42.28 | 5 days | |
| CTSD371C037516UNC2BXXT3 | 3/8 | 16 | 100 | 15 | 8 | 8 | £55.54 | 5 days | |
| CTSD376C043714UNC2BXXT3 | 7/16 | 14 | 100 | 15 | 6.2 | 9.4 | £72.22 | 5 days | |
| CTSD376C050013UNC2BXXT3 | 1/2 | 13 | 110 | 18 | 7 | 10.8 | £97.24 | 5 days | |
| CTSD376C056212UNC2BXXT3 | 9/16 | 12 | 110 | 20 | 9 | 12.2 | £97.24 | 5 days | |
| CTSD376C062511UNC2BXXT3 | 5/8 | 11 | 110 | 22 | 9 | 13.5 | £115.46 | 5 days |
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