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Carmex Thread Mills Long Reach Through Coolant - UN (UNC UNF UNEF UNS) - x 16 - MT7

SKU:MTQ2020F5816UNMT7

The Carmex Long Reach Through-Coolant Thread Mills (MT7) are precision tools engineered to thread medium to large sizes in deep pockets and base-level work features. Designed to handle UNC, UNF, ... Read more ↓
P
M
K
N
S
Thread FormUN (UNC UNF UNEF UNS)
SizeN/A
Pitch16
Diameter (D)20
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£237.79
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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Free delivery over £50 ex VAT
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14-day returns
30+ years expertise
Klarna
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

The Carmex Long Reach Through-Coolant Thread Mills (MT7) are precision tools engineered to thread medium to large sizes in deep pockets and base-level work features. Designed to handle UNC, UNF, UNEF, and UNS thread forms, they deliver reliable performance in challenging setups with a focus on rigidity and accuracy.

  • Thread forms supported: Compatible with UNC, UNF, UNEF, and UNS to cover a wide range of standard thread specifications.
  • Through-coolant capability: Delivers coolant directly through the tool to the cutting edges for improved cooling and chip evacuation.
  • Long reach geometry: Extended reach to access deep pockets and features located at the base of the workpiece without repositioning.
  • Rigid MT7 shank: High-stiffness interface minimizes vibration and maintains tight tolerances under demanding feeds.
  • Short cutting length: Lightweight engagement reduces cutting forces, enhancing stability when using overhangs.
  • Thread length up to 3D: Enables longer threads in a single setup, boosting productivity and reducing tool changes.
  • Overhang-ready design: Optimized for setups with tool overhangs, expanding where and how you can thread.

These features combine to deliver precise thread profiles with consistent geometry, even in deep or base-of-pocket locations. The through-coolant design supports long, uninterrupted cuts by improving heat management and chip clearance, helping sustain thread quality across production runs. With the MT7 platform’s rigidity and efficient cooling, you can achieve higher cutting speeds and feeds, shorter cycle times, and reliable performance on a variety of metalworking applications.

Part Numbers

Protool Part Number
MTQ2020F5816UNMT7
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.

Ask our technical team about this tool

Not sure if this is the right tool for your job? Ask us about speeds and feeds, material suitability, holders or alternatives — 30+ years of machining experience on the other end.

Prefer to talk? Call 01732 887334 — Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Full Range: Carmex Carbide Thread Mills - UN - With Relieved Neck & Internal Coolant Bore (MTQ)

View full collection →

You are viewing MTQ2020F5816UNMT7. Click any other SKU to view its full details.

Product SKUPitchFlute LengthReachShank DiameterOverall LengthPriceStock Order
MTQ1010D3020UNMT7 2017.830.51073£133.36 5 days
MTQ1212D3516UNMT7 1620.7351284£166.90 5 days
MTQ1212D3518UNMT7 1819.735.31284£166.90 5 days
MTQ1212D4212UNMT7 1225.442.31284£166.90 5 days
MTQ1212E3520UNMT7 2020.335.61284£166.90 5 days
MTQ1616E4216UNMT7 1625.442.916105£196.90 5 days
MTQ1616E4514UNMT7 1425.445.316105£196.90 5 days
MTQ1616F4320UNMT7 2025.443.216105£196.90 5 days
MTQ2020E5512UNMT7 1233.955.120105£237.79 5 days
MTQ2020F5816UNMT7 Viewing1636.558.820105£237.79 5 days

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