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Carmex Threading Tap - Spiral Flute - UNF Supercut Tap - Powder Metal - No. 4 x 48
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Description
The Carmex Threading Tap – Spiral Flute, UNF Supercut, in powder metal, No. 4 x 48 is engineered for precise Unified National Fine threading. It’s crafted for professionals who demand consistent thread quality and reliable performance in demanding materials.
- UNF compatible: Designed for Unified National Fine threads, delivering precise, repeatable results in a range of materials.
- Spiral flute geometry: Efficient chip evacuation keeps the hole clear and minimizes clogging, ideal for blind-hole applications.
- Powder metal construction: Durable, wear-resistant tooling that stands up to high-speed threading and challenging materials.
- Supercut design: Optimized cutting geometry to support high-speed threading and long tool life, with improved thread formation.
- Size and length: No. 4 x 48, a standard combination for compact taps that fit a variety of small-diameter UNF holes.
This tap delivers clean, accurate threads with consistent pitch, reducing cross-threading and thread misalignment. The spiral flute design promotes reliable chip evacuation, minimizing downtime from clogged taps, while the powder metal construction provides dependable wear resistance for repeat use. For production environments where uptime matters, this tap supports efficient, high-quality UNF threading and pairs well with appropriate lubricants to maintain smooth cutting action.
Part Numbers
- Protool Part Number
- CTSD371C448UNF2BXXT3
- 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 CTSD371C448UNF2BXXT3. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Flute Length | Square | Drill Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| CTSD371C448UNF2BXXT3 Viewing | 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 | 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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