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Carmex Threading Tap - Spiral Flute - UNF Supercut Tap - Powder Metal - No. 6 x 40
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Description
The Carmex Threading Tap is a spiral-flute UNF Supercut tool designed for precise, dependable threading in UNF applications. Built for machinists and fabricators who demand durability in challenging materials and high-speed tapping, it delivers reliable performance hole after hole.
- Threading Style: Spiral flute design for efficient chip removal and smooth cutting in UNF threads.
- Construction: Powder metal body provides durability and wear resistance in demanding materials.
- Size: No. 6 x 40, a compact tap suitable for small-diameter holes.
- Thread Standard: UNF (Unified National Fine) threading for a precise, well-formed thread profile.
- Chip Evacuation: Spiral flutes promote quick chip clearance, reducing the likelihood of clogging at high speeds.
Whether you’re working with tougher metals or running production-style tapping operations, this tap maintains consistent thread quality and resists wear. The combination of spiral flutes and powder metal construction helps you achieve clean threads with fewer interruptions, enhancing overall machining efficiency and part fit.
Part Numbers
- Protool Part Number
- CTSD371C640UNF2BXXT3
- 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 - UNF Supercut Tap - Powder Metal
View full collection →You are viewing CTSD371C640UNF2BXXT3. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Flute Length | Square | Drill Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| CTSD371C448UNF2BXXT3 | No. 4 | 48 | 56 | 5 | 2.7 | 2.4 | £29.70 | 5 days | |
| CTSD371C544UNF2BXXT3 | No. 5 | 44 | 56 | 7 | 2.7 | 2.7 | £29.70 | 5 days | |
| CTSD371C640UNF2BXXT3 Viewing | No. 6 | 40 | 56 | 6 | 3 | 2.95 | £31.30 | 5 days | |
| CTSD371C836UNF2BXXT3 | No. 8 | 36 | 63 | 7 | 3.4 | 3.5 | £31.30 | 5 days | |
| CTSD371C1032UNF2BXXT3 | No. 10 | 32 | 70 | 8 | 4.9 | 4.1 | £33.98 | 5 days | |
| CTSD371C1228UNF2BXXT3 | No. 12 | 28 | 80 | 10 | 4.9 | 4.6 | £35.20 | 5 days | |
| CTSD371C025028UNF2BXXT3 | 1/4 | 28 | 80 | 10 | 5.5 | 5.5 | £42.28 | 5 days | |
| CTSD371C031224UNF2BXXT3 | 5/16 | 24 | 90 | 13 | 6 | 6.9 | £42.28 | 5 days | |
| CTSD371C037524UNF2BXXT3 | 3/8 | 24 | 100 | 15 | 8 | 8.5 | £55.54 | 5 days | |
| CTSD374C043720UNF2BXXT3 | 7/16 | 20 | 100 | 15 | 6.2 | 9.9 | £72.22 | 5 days | |
| CTSD374C050020UNF2BXXT3 | 1/2 | 20 | 100 | 15 | 7 | 11.5 | £97.24 | 5 days | |
| CTSD374C056218UNF2BXXT3 | 9/16 | 18 | 100 | 15 | 9 | 12.9 | £115.46 | 5 days | |
| CTSD374C062518UNF2BXXT3 | 5/8 | 18 | 100 | 15 | 9 | 14.5 | £115.46 | 5 days |
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