Dispatch Hours
Orders dispatched Monday to Friday between 8am and 5pm (4:30pm on Fridays).
- Mon – Thurs8:00 – 17:00
- Friday8:00 – 16:30
- Sat & SunClosed
Carmex
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Authorised UK Distributor
Carmex Thread Turning External Inserts
Unified - Right/Left Hand
Our industry-leading range of thread turning inserts is recognized worldwide. These high-quality laydown triangular inserts can provide a solution for the majority of the thread standards available today. They can handle a wide range of applications: From the basic, to the most demanding ones.
Browse all 53 products
Click any SKU to view full product details, specifications and datasheets.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 16EL10UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 10 | 16 | BMA | £8.44 | 5 days |
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| 16EL11.5UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 11.5 | 16 | BMA | £8.59 | 5 days |
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| 16EL11UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 11 | 16 | BMA | £8.44 | 5 days |
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| 16EL12UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 12 | 16 | BMA | £8.44 | 5 days |
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| 16EL13UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 13 | 16 | BMA | £8.44 | 5 days |
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| 16EL14UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 14 | 16 | BMA | £8.44 | In Stock |
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| 16EL16UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 16 | 16 | BMA | £8.44 | 5 days |
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| 16EL18UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 18 | 16 | BMA | £8.44 | In Stock |
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| 16EL20UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 20 | 16 | BMA | £8.44 | 5 days |
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| 16EL24UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 24 | 16 | BMA | £8.44 | 5 days |
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| 16EL27UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 27 | 16 | BMA | £8.59 | 5 days |
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| 16EL28UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 28 | 16 | BMA | £8.44 | 5 days |
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| 16EL32UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 32 | 16 | BMA | £8.44 | 5 days |
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| 16EL36UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 36 | 16 | BMA | £11.16 | 5 days |
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| 16EL40UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 40 | 16 | BMA | £11.16 | 5 days |
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| 16EL44UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 44 | 16 | BMA | £11.16 | 5 days |
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| 16EL48UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 48 | 16 | BMA | £11.16 | 5 days |
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| 16EL56UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 56 | 16 | BMA | £11.16 | 5 days |
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| 16EL64UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 64 | 16 | BMA | £11.16 | 5 days |
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| 16EL72UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 72 | 16 | BMA | £11.16 | 5 days |
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| 16EL8UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 8 | 16 | BMA | £8.44 | 5 days |
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| 16EL9UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 9 | 16 | BMA | £8.44 | 5 days |
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| 16ER10UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 10 | 16 | BMA | £8.44 | In Stock |
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| 16ER11.5UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 11.5 | 16 | BMA | £8.44 | In Stock |
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| 16ER11UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 11 | 16 | BMA | £8.44 | In Stock |
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| 16ER12UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 12 | 16 | BMA | £8.44 | In Stock |
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| 16ER13UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 13 | 16 | BMA | £8.44 | 5 days |
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| 16ER14UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 14 | 16 | BMA | £8.44 | 5 days |
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| 16ER16UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 16 | 16 | BMA | £8.44 | 5 days |
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| 16ER18UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 18 | 16 | BMA | £8.44 | In Stock |
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| 16ER20UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 20 | 16 | BMA | £8.44 | In Stock |
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| 16ER24UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 24 | 16 | BMA | £8.44 | In Stock |
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| 16ER27UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 27 | 16 | BMA | £8.44 | 5 days |
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| 16ER28UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 28 | 16 | BMA | £8.44 | In Stock |
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| 16ER32UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 32 | 16 | BMA | £8.44 | 5 days |
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| 16ER36UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 36 | 16 | BMA | £10.94 | In Stock |
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| 16ER40UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 40 | 16 | BMA | £10.94 | In Stock |
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| 16ER44UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 44 | 16 | BMA | £10.94 | 5 days |
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| 16ER48UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 48 | 16 | BMA | £10.94 | In Stock |
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| 16ER56UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 56 | 16 | BMA | £10.94 | In Stock |
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| 16ER64UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 64 | 16 | BMA | £10.94 | In Stock |
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| 16ER72UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 72 | 16 | BMA | £10.94 | In Stock |
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| 16ER8UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 8 | 16 | BMA | £8.44 | In Stock |
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| 16ER9UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 9 | 16 | BMA | £8.44 | 5 days |
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| 22EL5UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 5 | 22 | BMA | £12.59 | 5 days |
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| 22EL6UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 6 | 22 | BMA | £12.59 | 5 days |
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| 22EL7UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 7 | 22 | BMA | £12.59 | 5 days |
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| 22ER5UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 5 | 22 | BMA | £12.38 | In Stock |
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| 22ER6UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 6 | 22 | BMA | £12.38 | In Stock |
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| 22ER7UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 7 | 22 | BMA | £12.38 | In Stock |
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| 27EL4.5UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 4.5 | 27 | BMA | £17.79 | 5 days |
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| 27EL4UNBMA | External | Left Hand | UN (UNC UNF UNEF UNS) | 4 | 27 | BMA | £17.79 | 5 days |
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| 27ER4UNBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 4 | 27 | BMA | £17.46 | In Stock |
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Built around the way engineers work
Fast dispatch, clear delivery options and a friendly technical team on the end of the phone.
UK Delivery
FREE next day delivery on mainland UK orders over £50 ex VAT
| Service | Cost |
|---|---|
| Royal Mail Tracked 24 | £5.90 |
| DPD Standard Next Day | £8.00 |
| Royal Mail Special Delivery by 1pm | £12.50 |
| DPD Saturday Delivery | £25.00 |
Saturday delivery available on orders placed before 4pm Friday. T&Cs and geographical exclusions apply (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands & others) — see our delivery page for full details.
Easy Returns
If an item isn't right, sending it back is simple and hassle-free.
Read our returns policy →Need Technical Help?
Our specialist team can advise on tooling choice, specifications and compatibility.
01732 887334 info@protool-ltd.co.ukMon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30
