Please log in here to access all benefits, including promotional discounts and faster checkouts.

Carmex Carbide Tiny Tool - Grooving - MGL - K20 Grade - Minimum Diameter 4.1mm x 0.79mm Groove Width x 15mm Reach (Left Hand)

Carmex Carbide Tiny Tool - Grooving - MGL - K20 Grade - Minimum Diameter 4.1mm x 0.79mm Groove Width x 15mm Reach (Left Hand)

SKU:MGL4B0.79L15K20

The Carmex Carbide Tiny Tool for Grooving (MGL) is a precision cutting tool engineered for micro grooves on small parts and components. Crafted from premium-grade K20 carbide, it delivers excepti... Read more ↓
M
K
N
S
ApplicationGrooving (MGL)
Minimum Diameter4.1
Groove Width (B)0.79
Groove Depth (H)0.9
Reach (L1)15
L51
View all specifications ↓
Download Cutting Data
£24.22
Prices shown ex. VAT
5 days estimated lead time — subject to availability
View Other Sizes →
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Klarna
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Speak to our team
01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

The Carmex Carbide Tiny Tool for Grooving (MGL) is a precision cutting tool engineered for micro grooves on small parts and components. Crafted from premium-grade K20 carbide, it delivers exceptional durability, wear resistance, and consistently clean groove edges in tight spaces. Its compact size and specialized geometry make it a reliable choice for engineers, machinists, tradespeople, and hobbyists who need precise grooves on tiny features.

Key specs include a minimum diameter of 4.1 mm, a groove width of 0.79 mm, and a reach of 15 mm, with a left-hand orientation to suit specific machining setups. The tool is compatible with a wide range of machines and systems, providing versatility across production lines and workshops.

  • Miniature grooving geometry: Enables precise groove placement on tiny parts with minimal material removal, improving edge quality and reducing setup time.
  • Premium K20 carbide durability: Delivers long tool life and stable performance, maintaining sharpness and consistent groove dimensions through many passes.
  • Left-hand reach and broad machine compatibility: Flexible orientation and wide compatibility support a variety of machining configurations and quick changeovers.

This tool helps you achieve reliable micro-scale grooves with fewer interruptions, enhancing workflow and part quality. Its durable carbide and precise geometry empower you to tackle tight tolerances confidently, delivering repeatable results across small-part applications—from delicate housings to precision components.

Application Grooving (MGL)
Minimum Diameter 4.1
Groove Width (B) 0.79
Groove Depth (H) 0.9
Reach (L1) 15
L 51
F 1.7
D 4.0
Grade K20
Holder SIM****H4

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.

★★★★★
Nice experience staff are very helpful and interested...
Staff are very helpful and interested in providing a good service making us the customer feel valued.
Bill
★★★★★
first place we look
honest about stock and prices are competitive.
Phil
★★★★★
Polite and helpful
Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
Graham
★★★★★
Buying experience
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.
Jeremy

Full Range: Carmex Carbide Tiny Tools - Grooving - Grade K20 (MGR)

View full collection →

You are viewing MGL4B0.79L15K20. Click any other SKU to view its full details.

Product SKUMinimum DiameterGroove WidthGroove DepthReachGradeHolderPriceStock Order
MGR4B0.79L22K20 4.10.790.922K20SIM****H4£25.44 5 days
MGR5B0.79L15K20 5.10.79115K20SIM****H5£23.27 5 days
MGR3B0.7L10K20 3.10.70.610K20SIM****H3£22.12 5 days
MGR4B1.0L10K20 4.11110K20SIM****H4£22.80 5 days
MGR5B1.0L15K20 5.111.215K20SIM****H5£23.27 5 days
MGR4B0.79L15K20 4.10.790.915K20SIM****H4£24.18 5 days
MGR5B1.59L15K20 5.11.591.215K20SIM****H5£23.27 5 days
MGR2B0.5L10K20 2.10.50.510K20SIM****H4£23.81 5 days
MGR4B0.5L10K20 4.10.50.510K20SIM****H4£22.76 5 days
MGR4B1.0L22K20 4.11122K20SIM****H4£25.43 5 days
MGR4B1.0L15K20 4.11115K20SIM****H4£24.18 5 days
MGR4B0.7L10K20 4.10.70.610K20SIM****H4£22.75 5 days
MGR6B1.0L17K20 6.111.817K20SIM****H6£26.13 5 days
MGR3B0.5L10K20 3.10.50.510K20SIM****H3£22.76 5 days
MGR6B1.0L15K20 6.111.415K20SIM****H6£23.81 5 days
MGR4B1.5L15K20 4.11.5115K20SIM****H4£24.18 5 days
MGR4B0.5L15K20 4.10.50.515K20SIM****H4£24.18 5 days
MGR5B0.79L22K20 5.10.79122K20SIM****H5£24.67 5 days
MGR5B1.59L22K20 5.11.591.222K20SIM****H5£24.67 5 days
MGR5B1.5L22K20 5.11.51.222K20SIM****H5£24.67 5 days
MGR5B1.5L15K20 5.11.51.215K20SIM****H5£23.27 5 days
MGR5B1.19L22K20 5.11.191.222K20SIM****H5£24.67 5 days
MGR6B0.79L23K20 6.10.791.823K20SIM****H6£28.02 5 days
MGR6B0.79L17K20 6.10.791.817K20SIM****H6£26.13 5 days
MGR5B2.0L22K20 5.121.222K20SIM****H5£24.67 5 days
MGR6B1.59L17K20 6.11.591.817K20SIM****H6£26.13 5 days
MGR6B1.5L17K20 6.11.51.817K20SIM****H6£26.13 In Stock
MGR5B1.19L15K20 5.11.191.215K20SIM****H5£23.27 5 days
MGR6B1.5L15K20 6.11.51.415K20SIM****H6£23.81 5 days
MGR6B1.19L17K20 6.11.191.817K20SIM****H6£26.13 5 days
MGR6B1.0L22K20 6.111.422K20SIM****H6£25.46 5 days
MGR6B1.19L23K20 6.11.191.823K20SIM****H6£28.02 5 days
MGR5B2.0L15K20 5.121.215K20SIM****H5£23.27 5 days
MGR4B1.5L22K20 4.11.5122K20SIM****H4£25.44 5 days
MGR5B1.0L22K20 5.111.222K20SIM****H5£24.67 5 days
MGR4B1.5L10K20 4.11.5110K20SIM****H4£22.80 5 days
MGR6B1.59L23K20 6.11.591.823K20SIM****H6£28.02 5 days
MGR6B2.0L17K20 6.121.817K20SIM****H6£28.78 5 days
MGR7B2.0L30K20 7.122.530K20SIM****H7£30.75 5 days
MGR6B1.5L22K20 6.11.51.422K20SIM****H6£25.46 5 days
MGR8B1.0L22K20 8.111.722K20SIM****H8£28.56 5 days
MGR7B1.0L15K20 7.112.515K20SIM****H7£27.97 5 days
MGR6B1.5L23K20 6.11.51.823K20SIM****H6£28.00 5 days
MGR7B1.19L22K20 7.11.192.522K20SIM****H7£28.02 5 days
MGR6B2.0L23K20 6.121.823K20SIM****H6£28.00 In Stock
MGR6B2.0L15K20 6.121.415K20SIM****H6£23.81 5 days
MGR7B2.0L22K20 7.122.522K20SIM****H7£27.97 5 days
MGR8B2.0L22K20 8.122.622K20SIM****H8£28.56 5 days
MGR6B2.0L22K20 6.121.422K20SIM****H6£25.46 5 days
MGR8B1.5L22K20 8.11.51.722K20SIM****H8£28.56 5 days
MGR7B1.5L22K20 7.11.52.522K20SIM****H7£27.97 5 days
MGR7B1.5L15K20 7.11.52.515K20SIM****H7£27.97 5 days
MGR8B2.38L15K20 8.12.382.615K20SIM****H8£28.56 5 days
MGR7B1.59L22K20 7.11.592.522K20SIM****H7£28.02 5 days
MGR7B1.59L30K20 7.11.592.530K20SIM****H7£30.75 5 days
MGR7B1.0L30K20 7.112.530K20SIM****H7£30.75 5 days
MGR7B1.5L30K20 7.11.52.530K20SIM****H7£30.75 5 days
MGR8B2.38L22K20 8.12.382.622K20SIM****H8£28.56 5 days
MGR7B1.0L22K20 7.112.522K20SIM****H7£27.97 5 days
MGR7B2.0L15K20 7.122.515K20SIM****H7£27.97 5 days
MGR7B1.19L30K20 7.11.192.530K20SIM****H7£30.75 5 days
MGL2B0.5L10K20 2.10.50.510K20SIM****H4£23.80 5 days
MGL3B0.5L10K20 3.10.50.510K20SIM****H3£22.75 5 days
MGL3B0.7L10K20 3.10.70.610K20SIM****H3£22.12 5 days
MGL4B0.5L10K20 4.10.50.510K20SIM****H4£22.75 5 days
MGL4B0.5L15K20 4.10.50.515K20SIM****H4£24.22 5 days
MGL4B0.79L15K20 Viewing4.10.790.915K20SIM****H4£24.22 5 days
MGL4B0.79L22K20 4.10.790.922K20SIM****H4£25.43 5 days
MGL4B0.7L10K20 4.10.70.610K20SIM****H4£22.75 5 days
MGL4B1.0L10K20 4.11110K20SIM****H4£22.80 5 days
MGL4B1.0L15K20 4.11115K20SIM****H4£24.18 5 days
MGL4B1.0L22K20 4.11122K20SIM****H4£25.43 5 days
MGL4B1.5L10K20 4.11.5110K20SIM****H4£22.80 5 days
MGL4B1.5L15K20 4.11.5115K20SIM****H4£24.22 5 days
MGL4B1.5L22K20 4.11.5122K20SIM****H4£25.43 5 days
MGL5B0.79L15K20 5.10.79115K20SIM****H5£23.30 5 days
MGL5B0.79L22K20 5.10.79122K20SIM****H5£24.69 5 days
MGL5B1.0L15K20 5.111.215K20SIM****H5£23.27 5 days
MGL5B1.0L22K20 5.111.222K20SIM****H5£24.67 5 days
MGL5B1.19L15K20 5.11.191.215K20SIM****H5£23.30 5 days
MGL5B1.19L22K20 5.11.191.222K20SIM****H5£24.69 5 days
MGL5B1.59L15K20 5.11.591.215K20SIM****H5£23.30 5 days
MGL5B1.59L22K20 5.11.591.222K20SIM****H5£24.69 5 days
MGL5B1.5L15K20 5.11.51.215K20SIM****H5£23.27 5 days
MGL5B1.5L22K20 5.11.51.222K20SIM****H5£24.67 5 days
MGL5B2.0L15K20 5.121.215K20SIM****H5£23.27 5 days
MGL5B2.0L22K20 5.121.222K20SIM****H5£24.67 5 days
MGL6B0.79L17K20 6.10.791.817K20SIM****H6£26.18 5 days
MGL6B0.79L23K20 6.10.791.823K20SIM****H6£28.00 5 days
MGL6B1.0L15K20 6.111.415K20SIM****H6£23.81 5 days
MGL6B1.0L17K20 6.111.817K20SIM****H6£26.18 5 days
MGL6B1.0L22K20 6.111.422K20SIM****H6£25.46 5 days
MGL6B1.19L17K20 6.11.191.817K20SIM****H6£26.18 5 days
MGL6B1.19L23K20 6.11.191.823K20SIM****H6£28.00 5 days
MGL6B1.59L17K20 6.11.591.817K20SIM****H6£26.18 5 days
MGL6B1.59L23K20 6.11.591.823K20SIM****H6£28.00 5 days
MGL6B1.5L15K20 6.11.51.415K20SIM****H6£23.81 5 days
MGL6B1.5L17K20 6.11.51.817K20SIM****H6£26.18 5 days
MGL6B1.5L22K20 6.11.51.422K20SIM****H6£25.46 5 days
MGL6B1.5L23K20 6.11.51.823K20SIM****H6£28.00 5 days
MGL6B2.0L15K20 6.121.415K20SIM****H6£23.81 5 days
MGL6B2.0L17K20 6.121.817K20SIM****H6£28.75 5 days
MGL6B2.0L22K20 6.121.422K20SIM****H6£25.46 5 days
MGL6B2.0L23K20 6.121.823K20SIM****H6£28.00 5 days
MGL7B1.0L15K20 7.112.515K20SIM****H7£26.76 5 days
MGL7B1.0L22K20 7.112.522K20SIM****H7£26.76 5 days
MGL7B1.0L30K20 7.112.530K20SIM****H7£30.75 5 days
MGL7B1.19L22K20 7.11.192.522K20SIM****H7£28.00 5 days
MGL7B1.19L30K20 7.11.192.530K20SIM****H7£30.77 5 days
MGL7B1.59L22K20 7.11.592.522K20SIM****H7£28.00 5 days
MGL7B1.59L30K20 7.11.592.530K20SIM****H7£30.77 5 days
MGL7B1.5L15K20 7.11.52.515K20SIM****H7£27.97 5 days
MGL7B1.5L22K20 7.11.52.522K20SIM****H7£27.97 5 days
MGL7B1.5L30K20 7.11.52.530K20SIM****H7£30.75 5 days
MGL7B2.0L15K20 7.122.515K20SIM****H7£27.97 5 days
MGL7B2.0L22K20 7.122.522K20SIM****H7£27.97 5 days
MGL7B2.0L30K20 7.122.530K20SIM****H7£30.75 5 days
MGL8B1.0L22K20 8.111.722K20SIM****H8£28.56 5 days
MGL8B1.5L22K20 8.11.51.722K20SIM****H8£28.56 5 days
MGL8B2.0L22K20 8.122.622K20SIM****H8£28.56 5 days
MGL8B2.38L15K20 8.12.382.615K20SIM****H8£28.50 5 days
MGL8B2.38L22K20 8.12.382.622K20SIM****H8£28.50 5 days

Complete Your Project

with tools we think you'll like