A Compression Cutter That Lasts.

Designed For Long-Term MFC Cutting

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Which size do you need?

25mm flute — boards up to 18mm

32mm flute — boards up to 25mm

40mm flute — boards up to 30-32mm

Details

Check out our Micro Grain Solid Carbide 10mm Spiral Compression Cutter, featuring 2 flutes and built to outlast alternative compression cutters, specifically while cutting MFC, a claim we've tested meticulously to back up. Available in a range of cutting lengths.

What is Micro-Grain Solid Carbide?

Micrograin solid carbide uses carbide grains down to 0.5 to 0.8 microns, versus 2 to 5 microns in standard carbide. Finer grain means a harder edge without the usual loss in toughness, so it resists chipping and heat softening under load. Result: the edge stays sharp and accurate far longer, especially when compared to standard solid carbide bits.

These compression bits are built for CNC and router applications requiring high feed rates and clean compression cuts. They work great across wood sheet materials, giving a consistent edge on both the top and bottom of the panel.

The bit can also be used as a pocketing tool, provided the pocket is deep enough to engage both the up cut and down cut portions, which ensures a clean finish. That engagement depth varies tool to tool depending on cutting length.

Full Specifications
Machine Compatibility
Compatible with all 3-axis CNC machines, as well as stable hand routers and router tables.
Material Compatibility
Compatible with sheeted wood materials including MDF, MFC, plywood, laminate sheet materials, and more.
Tool Material
Micro Grain Solid Carbide
Brand
Router Bits™
Tool Size
Select size on dropdown and refer to pictures shown when selected.
Shipping & Returns
  • Orders placed before 2pm UK time, Monday to Friday, are dispatched the same day. Selecting next day delivery means your order will arrive within 24 hours; standard delivery typically arrives between 48–72 hours.
  • Orders placed from Australia will arrive within 5-7 working days, full tracking is included.
  • Customers are responsible for return shipping unless the return is the result of our error, such as receiving an incorrect or defective item. After 60 days, refunds or store credit may be offered at our discretion.
  • If your order arrives defective or not fit for purpose, email info@routerbits.co.uk and our team will take it from there.
Speeds & Feeds
Personalised feeds & speeds available with every tool
Check your inbox and junk mail, our introductory email is sent out 5 minutes after your order is confirmed and may have landed there instead. Please reply with as much detail about your machine setup & materials you intend to cut and we'll help with feeds and speeds to the best of our ability.
Alternatively, email info@routerbits.co.uk and our applications team will support you from there.
Customer Reviews
Rated 5 / 4.9 based on 362 reviews.
✓ Verified
Stays sharp ages

Solid bits and great advice from company

Keith Bramwell
✓ Verified
Happy with the 10mm bits

Always had trouble with bits lasting on MFC, but I have to say these are phenomenal, we are just a small workshop in North Wales.

Malcolm Everitt
✓ Verified
MFC is no longer a pain

Used to chip MFC after just a few sheets, these bits last longer. feed and speed advice very helpful

Gary Pemberton
✓ Verified
Good company

Been buying these 10mm bits for a while good bits and arrive fast.

Alan Whitworth
✓ Verified
arrive next day awlways

They ship from manchester. Bits are great and service is class.

Barry Coulson
✓ Verified
Handle intense toolpaths

I thought the claims were to good to be true, and the tests had been done on simple toolpaths, turns out they are great. I recommend them for MFC.

Derek Ashcroft
✓ Verified
MFC is no longer a headache.

As you all know MFC can be a nightmaree to cut, these are the best bits I have found for it.

Nigel Halloran
✓ Verified
Long lasting

Bits last ages and feed and speed suppor is a nice touch.

Colin Metherell
✓ Verified
Best quality bits

Best quality bits I have used in 10 odd years, and the feed and speed advice is brilliant, nothing more to say.

Kevin Standish
✓ Verified
They don't snap

I have tried all the sizes of this compression cutter, and they don't snap. Very rigid design.

Roger Fenwick
✓ Verified
Over the moon

CNC team over the moon with the performance. I will be buying again when needed

Erin Hamer
✓ Verified
18mm each pass

I cut plenty of MFC sheets at 18mm per pass, and I have used even more aggressive feeds than they recommend and they still hold up, very good stuff.

Terry Aldous
Frequently Asked Questions
Will this work with my machine?

Yes, this works with every 3 axis CNC machine. This compression cutter has a standard 10mm shank, so if your machine takes a 10mm collet, it's ready to run — including on Axyz, Multicam, AXIOM, ShopBot, CNC Router Parts, Avid CNC, Weeke/Homag, SCM, Biesse Rover and every other 3-Axis CNC machine. Still not sure? Email: info@routerbits.co.uk and we'll confirm before you order.

Will this work with my collet?

Yes, this will work with any collet that accepts a 10mm shank, including ER32, ER25 and ER20 collet types. Not sure what your machine uses? Email info@routerbits.co.uk and we'll confirm before you order.

Will this work on other materials as well as MFC?

Yes — we market this specifically for MFC because it's such an abrasive material to cut, but this cutter performs across all standard wood materials any compression cutter handles, including MDF, plywood, solid timber, veneered boards and melamine faced chipboard. The Micro-Grain Solid Carbide™ edge holds up across all of these, resisting the wear that abrasive boards like MFC cause and staying sharper for longer on softer materials like ply and solid wood too.

Where are the tools designed?

Designed entirely in house, right here in the UK, from our base in South Wales.

Where are the tools shipped from?

Shipped from our warehouse in Manchester — same day dispatch on working day orders, or the next working day otherwise.

Do you offer next day delivery?

Yes — we offer next day delivery, and it's free on orders over £100.

Results of a tool lifespan test

Here are the summarised results below, calculating total chip-free sheets cut and exact cost per sheet for each 10mm compression cutter material.

Tool Material
Sheets Cut Per Bit
Cost Per Sheet
Coated Standard Carbide
60
£1.67
Carbide Tipped Steel
18
£2.78
HSS
8
£5.00
Micro-Grain Solid Carbide™
96
£0.75
Test Settings:
Feed Rate 5,000 MM/MIN
Spindle 18,000 RPM
Depth per pass 9mm

Experiment made on this 10mm compression cutter

Conducted By: Mr Evan Davis and his team.

We Spent 18 Hours Testing The Top 4 Main 10mm Compression Cutters

A British Company Won.
10mm compression cutter carbide material testing
(Image credit: Evan Davis)

Looking to cut more chip-free MFC sheets per 10mm compression bit you use?

Want to spend less time with paint or Tipp-Ex trying to cover up the damage, with your fingers crossed the customer never notices?

Searching for a solution that delivers consistently crisp finishes — and one that actually lasts?

If you nodded yes to any of these, you’ve come to the right place.

We spent just over 2 full working days testing the main 4 types of carbide used in 10mm compression cutters to understand which actually lasts when cutting MFC.

We all know MFC is a pain to cut. Its abrasive melamine surface and dense resin-bound core chew through cutting edges fast, dulling tools and eventually leaving the ragged, chipped-out finish nobody wants.

Ever since RouterBits.co.uk launched in 2025, I’ve been interested to see how their Micro-Grain Solid Carbide™ 10mm compression cutters held up against the main alternatives on the market.

I’m always testing CNC tools, and I’ve usually learned the hard way that they’re not always as good as they’re advertised to be.

Our testing revealed what many of us already know: the biggest brands aren't always the best — and neither is the most expensive.

RouterBits' Micro-Grain Solid Carbide™ 10mm Compression Cutter won on the things that actually matter:

  • Sheets per tool before chip-out
  • Real cost per sheet — tool price divided by sheets cut before chip-out
  • Cutter-tip chip resistance

How we tested

We cut as many 8 × 4 ft, 18mm MFC sheets as possible using the same toolpath, tracking cut quality sheet by sheet.

After every sheet, we checked both the top and bottom edges for chip-out under the same lighting conditions.

Every cutter was also run using the same feed rate, spindle speed and depth per pass to keep the comparison as fair as possible.

Feed rate 5,000 MM/MIN
Spindle speed 18,000 RPM
Depth per pass 9mm

We ran each cutter until the edges chipped out badly enough that we could no longer call the finish usable, or until the amount of clean-up required simply wasn't worth continuing.

THE WINNER
RouterBits.co.uk

Micro-Grain Solid Carbide™ 10mm Compression Cutter

Here’s all 4 stack up and and why.

The best picks reviewed by Evan Davis
Coated Standard Carbide 10mm Compression Cutter
Most Expensive

2. Coated Standard Carbide

4.3
  • Generic feeds and speeds, if any
  • No 60-day performance-backed guarantee
OUR SCORE
8.0/10
Delivery time:
2–3 business days
Performance
MFC Sheets cut before chip-out: 60
Cost Per Sheet: £1.67
Customer Reviews: Taken from alternative websites
“Decent bits, expensive and would be useful if they came with some recommended feeds and speeds, even generic ones.”
“Expensive for what they are. Last on MDF, but with MFC they blunt in no time.”
“Decent bits, but aren't anything special.”
Carbide Tipped Steel 10mm Compression Cutter
Most Commonly Sold

3. Carbide Tipped Steel

3.4
  • Cheap to buy
  • Easily accessible
  • Mass produced
  • Don’t last when cutting abrasive materials like MFC
  • Generic feeds and speeds, if any
OUR SCORE
6.0/10
Delivery time:
2–3 business days
Performance
MFC Sheets cut before chip-out: 18
Cost Per Sheet: £2.78
Customer Reviews: Taken from alternative websites
“Decent bits, I use them because they’re available in most stores.”
“Came with my CNC and I haven't switched since.”
“A friend recommended them to me. Good on soft woods, bit rubbish on MFC.”
HSS 10mm Compression Cutter
Cheapest

4. HSS

2.0
  • Very cheap
  • Always available on Amazon / eBay
  • Don’t last on any material
  • No feeds and speeds
OUR SCORE
3.0/10
Delivery time:
1–2 working days
Performance
MFC Sheets cut before chip-out: 8
Cost Per Sheet: £5.00
Customer Reviews: Taken from alternative websites
“Crap for MFC cutting.”
“Dead cheap, but not even worth the money.”
“Don’t recommend at all.”

Low Stock Update: We've just launched our best offer yet, buy 2 get 1 FREE alongside 3 FREE tools. Only 40 units left total, so if your size is in stock, act fast.

Why the Micro-Grain Solid Carbide 10mm Compression Cutter?

Example personalised feeds and speeds chart for a customer's specific materials and machine model
Example personalised feed and speed chart for a customer's specific materials and machine model.

RouterBits also promises a hands-on approach with all clients, offering personalised feeds and speeds tailored specifically to each customer’s machine model, material and tooling setup.

Customers also get access to their applications team for everything in-between, including toolpath support, depth per pass recommendations, cutting advice and help getting the cutter running correctly.

They’re not only offering a better tool, they’re offering a level of aftercare and hands-on support I have never seen any alternative brand come close to matching.

What Is Micro-Grain Solid Carbide™?

Micro-Grain Solid Carbide comparison

Carbide ground to a finer grain than standard carbide. Tightly packed, finer grains form a denser structure that holds a sharper edge for longer, resists chipping under load, and delivers consistent chip free cuts through resin heavy sheet material such as MFC.

Standard solid carbide is less dense. That means a cutter more prone to chipping and dulling, which is what causes sheets like MFC to chip out and become unusable.

Micro-Grain Solid Carbide™ won't stop wear. Nothing does. But the finer grain gives the edge extra lifespan, holding chip free cuts for longer.

Our whole compression cutter range is designed here in Britain, built and refined against real feedback from cabinet makers, joiners, and kitchen makers.

We believe we've built the single best 10mm compression cutter on the market for cutting MFC and we have received the feedback to justify our claims.