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Carmex Carbide Tiny Tool - Deep Face Grooving - MVL - K20 Grade - 20mm Minimum Diameter x 4mm Groove Width x 43mm Groove Depth (Left Hand)

Carmex Carbide Tiny Tool - Deep Face Grooving - MVL - K20 Grade - 20mm Minimum Diameter x 4mm Groove Width x 43mm Groove Depth (Left Hand)

SKU:MVL8B4.0L43K20

Carmex Carbide Tiny Tool is a solid carbide bar engineered for deep face grooving tasks. Designed for engineers, machinists, buyers, tradespeople, hobbyists, and production shops, this MVL–K20 gr... Read more ↓
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ApplicationDeep Face Grooving (MVL)
Minimum Diameter20
Groove Width (B)4
Groove Depth (L1)43
Radius (R)0.2
L80
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£87.80
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Carmex Carbide Tiny Tool is a solid carbide bar engineered for deep face grooving tasks. Designed for engineers, machinists, buyers, tradespeople, hobbyists, and production shops, this MVL–K20 grade tool delivers dependable performance for challenging groove profiles.

With a minimum diameter of 20 mm, a 4 mm groove width, and a groove depth capability of 43 mm, it provides the geometry you need to create deep, precise grooves in a range of materials. Built for consistent results, the tool maintains cutting stability throughout the operation and pairs well with standard fixtures and setups.

  • Deep face grooving capability: Capable of groove depths up to 43 mm, enabling deep profiles with reliable stability in demanding grooves.
  • K20 grade solid carbide: Delivers high hardness and wear resistance for durable, consistent cutting performance in tough grooving applications.
  • Compact, precise geometry: 20 mm minimum diameter and 4 mm groove width provide tight, repeatable groove dimensions and stable cuts in constrained setups.

This tool supports reliable, repeatable groove results, helping you maintain production quality and reduce rework. Its durable carbide construction and purpose-built geometry equip you to tackle deep grooving tasks with confidence, delivering steady performance across a variety of materials and setups.

Application Deep Face Grooving (MVL)
Minimum Diameter 20
Groove Width (B) 4
Groove Depth (L1) 43
Radius (R) 0.2
L 80
F 2.1
D 8.0
Grade K20
Holder SIM****H8

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.

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Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
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Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
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Full Range: Carmex Carbide Tiny Tools - Deep Face Grooving - Grade K20 (MVR)

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You are viewing MVL8B4.0L43K20. Click any other SKU to view its full details.

Product SKUMinimum DiameterGroove WidthGroove DepthRadiusGradeHolderPriceStock Order
MVR6B2.5L15K20 102.5150.2K20SIM****H6£45.43 5 days
MVR8B3.0L27K20 153270.2K20SIM****H8£73.10 5 days
MVR6B2.0L22K20 122220.2K20SIM****H6£57.53 5 days
MVR8B4.0L43K20 204430.2K20SIM****H8£87.80 5 days
MVR6B2.0L10K20 102100.2K20SIM****H6£53.75 5 days
MVR8B3.0L43K20 153430.2K20SIM****H8£87.80 5 days
MVR6B2.0L15K20 122150.2K20SIM****H6£53.75 5 days
MVR6B3.0L22K20 103220.2K20SIM****H6£57.53 5 days
MVR6B2.5L22K20 122.5220.2K20SIM****H6£57.53 5 days
MVL6B2.0L10K20 102100.2K20SIM****H6£45.43 5 days
MVL6B2.0L15K20 122150.2K20SIM****H6£45.43 5 days
MVL6B2.0L22K20 122220.2K20SIM****H6£48.60 5 days
MVL6B2.5L15K20 102.5150.2K20SIM****H6£45.43 5 days
MVL6B2.5L22K20 122.5220.2K20SIM****H6£48.60 5 days
MVL6B3.0L22K20 103220.2K20SIM****H6£48.60 5 days
MVL8B3.0L27K20 153270.2K20SIM****H8£73.10 5 days
MVL8B3.0L43K20 153430.2K20SIM****H8£74.20 5 days
MVL8B4.0L43K20 Viewing204430.2K20SIM****H8£87.80 5 days