Bosch CM8S Review – 8 1/2″ Sliding Compound Miter Saw

Bosch CM8s

View's Price

Our Rating: 8.2/10
Type: Sliding Compound Miter Saw
Blade: 8-1/2"
RPM: 5600


  • Extremely light
  • Easy to transport handle
  • Powerful machine
  • Perfect for busy contractors


  • No dual bevel
  • Standard blade not of a high quality


The Powerful 8 1/2” Bosch Miter Saw

Dragging a miter saw around from job to job all day doesn’t have to be difficult. Even just lifting a heavy saw once can put you out of action – which is why the CM8S from Bosch ( link) has become one of our favourite, truly portable saws. At only 37 pounds, you can’t get more portable than this little ripper. With the powerful combination of a high RPM of 5,600, the 12 amp motor and the 8 1/2” blade, you get a hungry, lightweight saw that can cut quickly, effortlessly, that you can easily transport around the house, or work site.

The Bosch CM8S Specs

The brilliantly useable miter and bevel scales and detents are well positioned and useable, with marks from 52 1degrees left to 60 degrees right at the most popular detent settings. The scales are easy to quickly interpret, very intuitive to use, and large enough to read without having to get down too close. The CMS packs a cross cut capability of 12 3/4” – which is the same size as larger 10” saws. With smaller saws, sometimes the problem of stability is an issue. However the CMS8 has a well engineered front foot that extends out to stabilise the miter saw and ensure accurate cuts. Standing at only 17” high and 18” wide, this saw is a powerful tool, but without taking up excessive, valuable workshop space.

What’s In The Box?

The saw comes fully assembled, and includes:

  • 8 1/2” blade
  • Blade wrench
  • Dust bag and fitting

Work Capacity of the CM8S Miter Saw

Just because this miter saw has a small size blade does not mean it can’t perform big jobs. With a 2.75” cutting thickness and a 12” cross cut capability, this saw will be a great addition to any joiner, cabinet maker or carpenter’s tool kit. This saw would not be suitable for heavy foundation work such as cutting piles or large framing jobs – but that is not really the domain of a miter saw anyway. The saw includes a dust collection bag, which although isn’t great, it will get rid of a fair amount of the dust. Miter saws are notorious for not being able to collect much of the excess dust due to their design, so if possible, cut outside or hook up to a vacuum system.

Extensions and Extras Included

For extra support when cutting material, Bosch have included the easily extendable, integrated base extensions. These slide out to make the additional work space 29” long – a huge bonus for such a compact and transportable saw.

Who Would This Saw Suit?

A saw such as this is perfect for anybody who will be carting it around various jobs, moving around a lot, or working on different areas around your property. Such a light saw with a quality handle is a real asset when it comes to transporting your gear. Although this saw is not suitable for cutting large pieces of material, it still has an appetite for construction. Note though, that a saw this size won’t be able to cut a 4×4” post in a single pass, the deepest that it will cut is 3”. However cutting massive pieces of lumber is now why you’d be interested in a tool like this. The CM8S is perfect for constructing small scale furniture and joinery projects and residential carpentry work. If you are after a powerful saw, without the stress of wondering if lifting it will put your back out, this saw will suit you perfectly. Please make sure to check out today’s price on the CM8S before you buy it.

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