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Carmex Thread Turning Holder Through Coolant - Internal - Left Hand - 200mm OAL - 16IL Insert - 25 Shank Size
| Type | Through Coolant |
| Internal or External | Internal |
| Minimum Bore | 29 |
| Shank Size | 25 |
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Description
The Carmex Thread Turning Holder Through Coolant — Internal Left Hand — 200 mm OAL — 16IL Insert — 25 Shank is a precision tool designed for reliable internal threading with long-reach capability. Built to work with IL inserts, it combines through-coolant cooling with a secure screw-clamp connection for consistent, high-quality threads.
- Overall length: 200 mm
- Shank size: 25
- Insert compatibility: Designed for 16IL internal left-hand inserts, with compatibility to IR/IL insert families for versatile threading options
- Through-coolant bore: Integrated coolant passage to improve chip evacuation and edge cooling during cutting
- Threading direction: Optimized for internal left-hand threading; supports precise engagement with IL inserts
- Screw-clamp retention: Secure, repeatable insert clamping minimizes tool displacement during machining
- Construction: Robust, precision-engineered holder designed for demanding machining environments
With through-coolant flow and a secure screw-clamp interface, this holder supports steady chip evacuation and consistent heat management, contributing to better thread quality and longer insert life. The rigid 200 mm reach and 25 mm shank provide stable support for long internal threading passes, while compatibility with 16IL inserts ensures precise alignment and repeatability. Ideal for internal threading tasks in automotive components, hydraulic housings, and other assemblies where clean, accurate internal threads are essential.
Part Numbers
- Protool Part Number
- SIL0025R16B
- Brand
- Carmex
- Category
- Thread Turning
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
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 Screw Clamp Threading Bars Internal - Coolant Bore - Right/Left Hand - For IR/IL Inserts
View full collection →You are viewing SIL0025R16B. Click any other SKU to view its full details.
| Product SKU | Type | Internal or External | Minimum Bore | Shank Size | Hand | Overall Length | Insert | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|---|
| SIR0010K11B | Through Coolant | Internal | 12 | 16 | Right | 125 | 11IR | £54.72 | 5 days | |
| SIR0013M16B | Through Coolant | Internal | 16 | 16 | Right | 150 | 16IR | £54.72 | 5 days | |
| SIR0016P16B | Through Coolant | Internal | 19 | 20 | Right | 170 | 16IR | £54.72 | 5 days | |
| SIR0020P16B | Through Coolant | Internal | 24 | 20 | Right | 170 | 16IR | £61.74 | 5 days | |
| SIR0025R16B | Through Coolant | Internal | 29 | 25 | Right | 200 | 16IR | £79.14 | 5 days | |
| SIR0025R22B | Through Coolant | Internal | 29 | 25 | Right | 200 | 22IR | £75.98 | 5 days | |
| SIR0032S16B | Through Coolant | Internal | 36 | 32 | Right | 250 | 16IR | £153.93 | 5 days | |
| SIL0010K11B | Through Coolant | Internal | 12 | 16 | Left | 125 | 11IL | £65.64 | 5 days | |
| SIL0013M16B | Through Coolant | Internal | 16 | 16 | Left | 150 | 16IL | £65.64 | 5 days | |
| SIL0016P16B | Through Coolant | Internal | 19 | 20 | Left | 170 | 16IL | £65.64 | 5 days | |
| SIL0020P16B | Through Coolant | Internal | 24 | 20 | Left | 170 | 16IL | £74.08 | 5 days | |
| SIL0025R16B Viewing | Through Coolant | Internal | 29 | 25 | Left | 200 | 16IL | £94.98 | 5 days | |
| SIL0025R22B | Through Coolant | Internal | 29 | 25 | Left | 200 | 22IL | £91.18 | 5 days | |
| SIL0032S16B | Through Coolant | Internal | 36 | 32 | Left | 250 | 16IL | £123.12 | 5 days |
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