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Carmex Tiny Tool Kit - 20mm Shank Diameter Bar Holder - KT4-20
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Description
The Carmex Tiny Tool Kit KT4-20 is a compact, all-in-one solution designed for precise machining on small-diameter work. It brings together seven specialized inserts for boring, profiling, threading, chamfering, grooving, and face grooving, plus a dedicated 20mm shank diameter bar holder (K25) and a convenient alignment key — making it ideal for engineers, machinists, maintenance technicians, and hobbyists who need quick, reliable tools in a portable package.
Housed in a rugged case with a blue foam interior, each tool sits securely in a labeled slot for easy identification and repeatable setups. The kit is perfect for workshop, lab, or field work, helping you prep for the next job without rummaging through drawers.
- All-in-one 20mm shank tool kit: Combines seven inserts (boring MTR4R0.2L10BXC, profiling MPR4R0.2L10BXC, threading MIR4L15A60BXC, chamfering MCR4R0.2L15BXC, grooving MGR4B1.5L10BXC, face grooving MFR4B1.0L15BXC) plus Holder K25 and a key, enabling quick tool changes and streamlined setup.
- Durable, precision-ground inserts:Designed to deliver consistent, high-quality cuts across boring, profiling, threading, chamfering, and grooving tasks with longer insert life and reliable performance.
- Secure, organized case with quick access:Blue foam slots and clear labeling keep every piece in its place, while the 20mm bar holder ensures a secure fit and fast, tool-ready setup on demand.
Using the Carmex Tiny Tool Kit KT4-20 helps you reduce downtime by keeping essential tooling in one portable package, enabling faster job setup and repeatable results. Its durable inserts and dedicated K25 holder deliver dependable performance for small-diameter components, prototypes, and maintenance tasks, helping you improve workflow and achieve consistent results with confidence.
Part Numbers
- Protool Part Number
- KT4-20
- Brand
- Carmex
- Category
- Tiny Tool
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.