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Carmex Thread Mills Solid Carbide - With Through Coolant - G (55 Degree) BSF BSP - G1/8 x 28 - MT7
| Thread Form | G (55 Degree) BSF BSP |
| Size | G1/8 |
| Pitch | 28 |
| Diameter (D) | 7.8 |
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Description
The Carmex MTB Solid Carbide Thread Mills with Through Coolant are engineered for precise BSP/BSPT and BSF thread milling in tight spaces, delivering clean, repeatable G-thread profiles with enhanced reliability.
- Through-Coolant Bore: Coolant is delivered through the bore to the cutting edge, improving chip evacuation and cooling for deep or through-hole threading.
- Solid Carbide Construction: Built for rigidity and wear resistance, maintaining thread accuracy across demanding materials.
- 55° Thread Form: Specifically designed to match the G (Whitworth-style) thread geometry, ensuring accurate and consistent thread profiles.
- Thread Size and Shank: G1/8 x 28 with MT7 shank, compatible with standard CNC tool holders for quick and stable setup.
- Optimized Geometry: Flank and flute design tuned for efficient material removal and reduced built-up edge during threading.
This through-coolant threading solution directly addresses common challenges in miniature thread milling: chip clogging, overheating, and tool wear. By delivering coolant through the tool, it promotes smoother cutting, longer tool life, and the ability to maintain higher feed rates with better surface finish. The MT7 shank ensures solid seating and minimal runout, making it a dependable choice for precision shops that frequently produce small-diameter BSP and BSF threads. In practice, you’ll experience cleaner threads, fewer reworks, and improved productivity in automotive, plumbing, and instrumentation projects where tight tolerances matter.
Part Numbers
- Protool Part Number
- MTB08078C1428WMT7
- Brand
- Carmex
- Category
- Thread Mill
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 Solid Carbide Thread Mills - G55' BSF,BSP - With Through Coolant (MTB)
View full collection →You are viewing MTB08078C1428WMT7. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Reach | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| MTB08078C1428WMT7 Viewing | G1/8 | 28 | 14.1 | 14.1 | 64 | £127.18 | 5 days | |
| MTB0808C2028WMT7 | G1/8 | 28 | 20.4 | 20.4 | 64 | £127.18 | 5 days | |
| MTB1010D1619WMT7 | G1/4 | 19 | 16.7 | 16.7 | 73 | £146.70 | 5 days | |
| MTB1211D2719WMT7 | G1/4 | 19 | 27.4 | 27.4 | 84 | £183.59 | 5 days | |
| MTB1414D2619WMT7 | G3/8 | 19 | 26.1 | 26.1 | 83 | £204.20 | 5 days | |
| MTB1414D3419WMT7 | G3/8 | 19 | 34.1 | 34.1 | 83 | £204.20 | 5 days | |
| MTB1616D3811WMT7 | N/A | 11 | 38.1 | 38.1 | 105 | £216.59 | 5 days | |
| MTB1616E2614WMT7 | G1/2 G7/8 | 14 | 26.3 | 26.3 | 105 | £216.59 | 5 days | |
| MTB2020E4711WMT7 | N/A | 11 | 47.3 | 47.3 | 105 | £261.57 | 5 days |
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