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Carmex Spiral Mill Threading Insert - Metric/ISO - H17I1.0ISOMT7

SKU:H17I1.0ISOMT7

The Carmex Spiral Mill Threading Insert (Metric/ISO - H17I1.0ISOMT7) is a versatile spiral-fluted tooling system designed for threading, end milling, roughing, and finishing. It’s built for a bro... Read more ↓
P
M
K
N
S
ApplicationThreading
Thread FormMetric (ISO)
Internal or ExternalInternal
Insert SizeH17
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£36.58
per item · pack of 6
Prices shown ex. VAT
5 days estimated lead time — subject to availability
Sold in packs of 6
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Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Klarna
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

The Carmex Spiral Mill Threading Insert (Metric/ISO - H17I1.0ISOMT7) is a versatile spiral-fluted tooling system designed for threading, end milling, roughing, and finishing. It’s built for a broad audience—from engineers and machinists to shop-floor buyers and hobbyists—who need reliable performance in a compact, high‑precision package.

Its standout advantage is smooth cutting at high feed rates, delivering shorter cycle times and consistent finishes across a wide range of materials and component sizes. Whether you're producing small parts on a compact milling center or tackling heavier-duty work on a high-powered machine, this system maintains reliability and accuracy.

  • Rapid, smooth cutting with spiral design: Spiral flutes enable high-feed cutting and reduced machining time, while maintaining a clean, consistent finish across threading, roughing, and finishing operations.
  • Flexible insert capacity with precise indexing: Toolholders accommodate 1 to 9 inserts in a compact cutting diameter, with a unique clamping method that ensures reliable indexability and minimizes vibration and chatter.
  • Durable MT7 inserts with TiN multi-layer coating: Sub-micron MT7 inserts with TiN coating (ISO K10–K20) deliver wear resistance and long tool life, performing well across all materials and applications.

This combination of spiral geometry, reliable indexing, and durable coating translates into faster, more predictable machining cycles, fewer tool changes, and consistent surface quality. A single insert system that handles threading and milling tasks across materials helps streamline setup, reduce downtime, and improve overall production efficiency.

Part Numbers

Protool Part Number
H17I1.0ISOMT7
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 Spiral Mill Threading Inserts - Metric/ISO

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You are viewing H17I1.0ISOMT7. Click any other SKU to view its full details.

Product SKUInsert SizePitchPriceStock Order
H13I1.0ISOMT7 H131£36.58 per item · pack of 65 days
Sold in packs of 6
H13I1.5ISOMT7 H131.5£36.58 per item · pack of 65 days
Sold in packs of 6
H13I2.0ISOMT7 H132£36.58 per item · pack of 6In Stock
Sold in packs of 6
H15I1.0ISOMT7 H151£36.58 per item · pack of 65 days
Sold in packs of 6
H15I1.5ISOMT7 H151.5£36.58 per item · pack of 65 days
Sold in packs of 6
H15I2.0ISOMT7 H152£36.58 per item · pack of 65 days
Sold in packs of 6
H15I2.5ISOMT7 H152.5£36.58 per item · pack of 65 days
Sold in packs of 6
H17I1.0ISOMT7 ViewingH171£36.58 per item · pack of 65 days
Sold in packs of 6
H17I1.5ISOMT7 H171.5£36.58 per item · pack of 65 days
Sold in packs of 6
H17I2.0ISOMT7 H172£36.58 per item · pack of 65 days
Sold in packs of 6
H17I2.5ISOMT7 H172.5£47.65 per item · pack of 65 days
Sold in packs of 6
H19I2.0ISOMT7 H192£36.58 per item · pack of 65 days
Sold in packs of 6
H19I3.0ISOMT7 H193£47.63 per item · pack of 6In Stock
Sold in packs of 6
H23E1.0ISOMT7 H231£46.23 per item · pack of 25 days
Sold in packs of 2
H23I1.0ISOMT7 H231£60.18 per item · pack of 25 days
Sold in packs of 2
H23E1.5ISOMT7 H231.5£46.23 per item · pack of 25 days
Sold in packs of 2
H23I1.5ISOMT7 H231.5£60.18 per item · pack of 25 days
Sold in packs of 2
H23E2.0ISOMT7 H232£46.23 per item · pack of 25 days
Sold in packs of 2
H23I2.0ISOMT7 H232£60.18 per item · pack of 25 days
Sold in packs of 2
H23E3.0ISOMT7 H233£46.23 per item · pack of 25 days
Sold in packs of 2
H23I3.0ISOMT7 H233£60.18 per item · pack of 25 days
Sold in packs of 2
H23I3.5ISOMT7 H233.5£46.23 per item · pack of 25 days
Sold in packs of 2
H23I4.0ISOMT7 H234£46.23 per item · pack of 25 days
Sold in packs of 2
H32I1.0ISOMT7 H321£48.93 per item · pack of 55 days
Sold in packs of 5
H32E1.5ISOMT7 H321.5£48.93 per item · pack of 55 days
Sold in packs of 5
H32I1.5ISOMT7 H321.5£63.70 per item · pack of 55 days
Sold in packs of 5
H32E2.0ISOMT7 H322£48.93 per item · pack of 55 days
Sold in packs of 5
H32I2.0ISOMT7 H322£63.70 per item · pack of 55 days
Sold in packs of 5
H32E3.0ISOMT7 H323£48.93 per item · pack of 55 days
Sold in packs of 5
H32I3.0ISOMT7 H323£63.70 per item · pack of 55 days
Sold in packs of 5
H32I3.5ISOMT7 H323.5£48.93 per item · pack of 55 days
Sold in packs of 5
H32E4.0ISOMT7 H324£48.93 per item · pack of 55 days
Sold in packs of 5
H32I4.0ISOMT7 H324£63.70 per item · pack of 55 days
Sold in packs of 5
H32I4.5ISOMT7 H324.5£48.93 per item · pack of 55 days
Sold in packs of 5
H32I5.0ISOMT7 H325£48.93 per item · pack of 55 days
Sold in packs of 5
H45E1.5ISOMT7 H451.5£54.33 per item · pack of 35 days
Sold in packs of 3
H45I1.5ISOMT7 H451.5£70.73 per item · pack of 35 days
Sold in packs of 3
H45E2.0ISOMT7 H452£54.33 per item · pack of 35 days
Sold in packs of 3
H45I2.0ISOMT7 H452£70.73 per item · pack of 35 days
Sold in packs of 3
H45I3.0ISOMT7 H453£70.73 per item · pack of 35 days
Sold in packs of 3
H45I3.5ISOMT7 H453.5£54.33 per item · pack of 35 days
Sold in packs of 3
H45I4.0ISOMT7 H454£70.73 per item · pack of 35 days
Sold in packs of 3
H45I4.5ISOMT7 H454.5£54.33 per item · pack of 35 days
Sold in packs of 3
H45I5.0ISOMT7 H455£54.33 per item · pack of 35 days
Sold in packs of 3
H45I5.5ISOMT7 H455.5£54.33 per item · pack of 35 days
Sold in packs of 3
H45I6.0ISOMT7 H456£54.33 per item · pack of 35 days
Sold in packs of 3
H63I1.5ISOMT7 H631.5£70.73 per item · pack of 35 days
Sold in packs of 3
H63I2.0ISOMT7 H632£70.73 per item · pack of 35 days
Sold in packs of 3
H63I3.0ISOMT7 H633£70.73 per item · pack of 35 days
Sold in packs of 3
H63I4.0ISOMT7 H634£70.73 per item · pack of 35 days
Sold in packs of 3
H63I6.0ISOMT7 H636£54.33 per item · pack of 35 days
Sold in packs of 3

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