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Carmex Carbide Tiny Tool - Deep Face Grooving - MVR - K20 Grade - 15mm Minimum Diameter x 3mm Groove Width x 43mm Groove Depth

Carmex Carbide Tiny Tool - Deep Face Grooving - MVR - K20 Grade - 15mm Minimum Diameter x 3mm Groove Width x 43mm Groove Depth

SKU:MVR8B3.0L43K20

The Carmex Carbide Tiny Tool is a solid carbide grooving tool engineered for deep face grooving applications. It uses MVR - K20 grade carbide to deliver high wear resistance and long tool life, ma... Read more ↓
M
K
N
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ApplicationDeep Face Grooving (MVR)
Minimum Diameter15
Groove Width (B)3
Groove Depth (L1)43
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£87.80
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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30+ years expertise
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

The Carmex Carbide Tiny Tool is a solid carbide grooving tool engineered for deep face grooving applications. It uses MVR - K20 grade carbide to deliver high wear resistance and long tool life, making it ideal for machinists, engineers, and metalworkers who need consistent results across a range of materials.
With a minimum diameter of 15 mm, a groove width of 3 mm, and a groove depth of 43 mm, this tool enables deep, accurate grooves in a single setup. Note: This product line doesn’t contain bars for Left-hand operations.

  • Deep-face grooving geometry: Specifically engineered to machine deep face grooves with a 43 mm depth, 3 mm groove width, and 15 mm minimum diameter, enabling precise, single-pass grooves and reducing tool changes.
  • Coated carbide options for flexibility: BXC - PVD TiN coated grade optimized for low cutting speeds and broad stainless steel compatibility (ISO P30-P50 / K25-K40); BMK - sub-micron grade with advanced PVD triple coating (ISO K10-K20), delivering exceptional heat resistance and smoother cutting for demanding materials.
  • Durable, precise carbide construction: Solid carbide bars built for deep grooving provide stiffness and dimensional stability, delivering reliable performance and long tool life across a range of materials.

By choosing the Carmex Carbide Tiny Tool for deep face grooving, you gain precise groove control, durable performance, and predictable results that support tighter tolerances and higher-quality finishes. Its robust carbide construction and coating options help minimize downtime, extend tool life, and keep your workflow moving smoothly across stainless steels and other materials.

Part Numbers

Protool Part Number
MVR8B3.0L43K20
Brand
Carmex
Category
Tiny Tool Inserts
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 Carbide Tiny Tools - Deep Face Grooving - Grade K20 (MVR)

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You are viewing MVR8B3.0L43K20. 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 Viewing153430.2K20SIM****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 204430.2K20SIM****H8£87.80 5 days

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