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Carmex Thread Turning Internal Insert - 55 Degree Partial - Left Hand - 11ILA55BMA

Carmex Thread Turning Internal Insert - 55 Degree Partial - Left Hand - 11ILA55BMA

SKU:11ILA55BMA

The Carmex Thread Turning Internal Insert – 55 Degree Partial - Left Hand (11ILA55BMA) is part of Carmex's industry-leading range of thread turning inserts. These laydown triangular inserts are d... Read more ↓
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M
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Thread TypeInternal
Thread DirectionLeft Hand
Thread Form55 Degree Partial
Pitch0.50-1.50 (48-16)
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£8.10
Prices shown ex. VAT
In Stock— only 5 left
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Free delivery over £50 ex VAT
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14-day returns
30+ years expertise
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Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

The Carmex Thread Turning Internal Insert – 55 Degree Partial - Left Hand (11ILA55BMA) is part of Carmex's industry-leading range of thread turning inserts. These laydown triangular inserts are designed to cover the majority of thread standards in today’s tooling landscape, delivering dependable performance across a wide range of applications.

Ideal for engineers, machinists, procurement teams, and workshop hobbyists, this compact internal threading insert delivers stable cutting action, clean thread form, and versatility for both simple and demanding tasks. The 55-degree partial geometry and left-hand orientation support efficient production runs and flexible setups.

  • 55 Degree Partial Geometry: Optimized for internal threading to provide stable cutting action, improved chip control, and a clean thread profile with reliable tool life across many materials.
  • Left-Hand Internal Cutting: Specifically designed for left-handed threading operations, ensuring correct helix direction and smooth progression without complex setups.
  • Wide Thread Standards Coverage: Built to handle a broad range of current thread standards, reducing tool changes and simplifying inventory for diverse projects.

This insert helps you complete internal threading tasks with confidence, enabling faster cycles, consistent thread quality, and fewer reworks. By supporting a wide compatibility and stable performance from basic to demanding applications, it enhances workflow efficiency and overall manufacturing reliability.

Part Numbers

Protool Part Number
11ILA55BMA
Brand
Carmex
Category
Thread Turning
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 Thread Turning Internal Inserts - Partial Profile 55° - Right/Left Hand

View full collection →

You are viewing 11ILA55BMA. Click any other SKU to view its full details.

Product SKUThread TypeThread DirectionThread FormPitchInsert SizeGradePriceStock Order
06IRA55BMA InternalRight Hand55 Degree Partial0.5-1.25 (48-20)6BMA£11.60 In Stock
08ILA55BMA InternalLeft Hand55 Degree Partial0.5-1.5 (48-16)8BMA£8.90 In Stock
08IRA55BMA InternalRight Hand55 Degree Partial0.5-1.5 (48-16)8BMA£11.60 5 days
11ILA55BMA ViewingInternalLeft Hand55 Degree Partial0.50-1.50 (48-16)11BMA£8.10 In Stock
11IRA55BMA InternalRight Hand55 Degree Partial0.50-1.50 (48-16)11BMA£10.55 5 days
16ILA55BMA InternalLeft Hand55 Degree Partial0.5-1.5 (48-16)16BMA£9.50 In Stock
16ILAG55BMA InternalLeft Hand55 Degree Partial0.5-3.0 (48-8)16BMA£9.50 5 days
16ILG55BMA InternalLeft Hand55 Degree Partial1.75-3.0 (14-8)16BMA£9.50 5 days
16IRA55BMA InternalRight Hand55 Degree Partial0.5-1.5 (48-16)16BMA£9.50 In Stock
16IRAG55BMA InternalRight Hand55 Degree Partial0.5-3.0 (48-8)16BMA£9.50 In Stock
16IRG55BMA InternalRight Hand55 Degree Partial1.75-3.0 (14-8)16BMA£9.50 5 days
22ILN55BMA InternalLeft Hand55 Degree Partial3.5-5.0 (7-5)22BMA£10.69 5 days
22IRN55BMA InternalRight Hand55 Degree Partial3.5-5.0 (7-5)22BMA£13.93 5 days
27ILQ55BMA InternalLeft Hand55 Degree Partial5.5-6.0 (4.5-4)27BMA£15.10 5 days
27IRQ55BMA InternalRight Hand55 Degree Partial5.5-6.0 (4.5-4)27BMA£19.64 5 days
11IRA55BXC InternalRight Hand55 Degree Partial0.50-1.50 (48-16)11BXC£8.93 In Stock

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