Bosch GCM800SJ1 216mm Electric Single-Bevel Sliding… (8133J)

£ 229.99INC VAT

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Bosch GCM800SJ1 216mm Electric Single-Bevel Sliding Compound Mitre Saw 110V (8133J)

The GCM 800 SJ sliding mitre saw for the professional user. Features 1400W motor for fast and precise cuts and 270mm horizontal cutting capacity for versatility in application. Compact and lightweight for optimum handling with safe start current limit and spindle lock for faster, easier disc/tool changing. Suitable for use on a wide range of wood and wood materials.

  • 1400W
  • Max. Cross Cut: 270 x 70mm
  • 24-Tooth TCT Blade
  • Trench Cutting Facility
  • Aluminium Base
  • Soft Start
  • Dust Extraction Facility
  • Workpiece Clamp
  • Spindle Lock
  • Electronic Brake

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View all: Bosch Mitre Saws

£229.99INC VAT

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Rated 5 out of 5 by from Highly recommend It's good , not too loud. I recommend it to everyone
Date published: 2016-08-02
Rated 5 out of 5 by from Bosch GCM800SJ Mitre Saw I received a 'review' email from Screwfix two days after I collected the saw from them (their usual excellent service), so not really had a chance to review its long term performance and reliability, so this review should be caveated by that. The saw seems very well made, and is totally accurate out of the box judging by my test cuts and measurements. It handled a 45 degree mitre on 6x2 with ease, and similarly a compound mitre and bevel cut (15 degrees each way) was completed perfectly. I therefore have great faith in the saw's accuracy. A couple of observations however : Firstly, the product description says it comes with a 48 tooth blade. It doesn't, the one supplied is 24 tooth. And whilst the edges of cuts are smooth and clean, there is a bit of tear out at the back of the work piece even when cutting through gently. I've already swapped it for a 48 tooth blade which has improved this dramatically. Secondly, the product description says the saw has a trenching facility. The saw has a depth stop consisting of a M4 bolt and nut. This can be adjusted to offer a degree of trench cutting, but the bolt supplied is too short to enable the saw to trench halfway through (say) a 4x2 piece of timber. So to have a reasonable chance of trenching, a new bolt and nuts need to be obtained. Good luck with sourcing a long enough M4 bolt !!! Similarly, the plate onto which the existing depth stop 'stops' is quite short, so a new, longer piece of plate metal is needed to enable the trenching facility to operate, otherwise, if you set the depth with the longer bolt, it will miss the existing plate !! So slight (simple) modifications needed to be able to make trench cuts. Thirdly, the product is supplied with a damper for when cutting combined bevel/mitre cuts greater than a determined point. I've fitted the damper (using the two bolts supplied) but I can't actually see how it helps. It doesn't hinder the use of the saw so I'll leave it on. Maybe in time I'll see how it works !! Fourthly, I'm not sure what the safe start actually consisted of, but the blade gets up to full speed almost instantly !!! It doesn't kick or torque when it starts so it isn't a problem, but just be aware that a soft start it is not !! Overall, I'm really pleased with the saw and really looking forward to using it on proper projects and work sites. If it performs as well as it looks like it should, then I shall be a very happy chappy. Like Makita tools, remember to register the saw on the Bosch Professional website to activate the 3-year product warranty.
Date published: 2016-06-12
Rated 4 out of 5 by from Light weight I purchasesed this saw to replace my old bosch mitre saw and was suprised by the difference in weight! This can can only be a good thing as having to carry it to and from van everyday will be lighter work. Excellent deplth and length of cut and easy fit on to my existing bosch saw stand. Only rated 3 on reliability and performance as time will tell during every day usage.
Date published: 2016-02-05
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Whats the voltage limit on this?

Does anyone know what the voltage limit is on this? Will it work in Ireland and the UK?
Asked by: shaneie
Hi, shaneie. This mitre saw is purposely designed to work at 110V. We do also manufacture a 240V of this product ( screwfix code: 3728J). Thanks, Bosch.
Answered by: Bosch Customer Service
Date published: 2021-07-10

Max Cutting depth

I'm an occasional DIY'er but want to know will railway sleepers 100x200 fit on the base so that I can cut half way and then flip them over to do the other side?
Asked by: giveitagoJohn
Hi, giveitagoJohn. You should face no problems in completing that task with this tool. Thanks, Bosch.
Answered by: Bosch Customer Service
Date published: 2021-06-05

Hi, what is the peak wattage that this will use? Would it work on a 1800W generator with a peak of 2000W?

Asked by: JammyJamie
Good morning @JammyJamie, The GCM 800 SJ (110V) has a rated input power of 1250W. Therefore, a 1800W generator should be sufficient. Thanks, Bosch.
Answered by: Bosch Customer Service
Date published: 2022-04-14

Can you get a bench suitable for this saw

Asked by: Robf1961
Hi Robf1961, Bosch make a variety of stands that are compatible with this saw, our stands have the designation 'GTA' and then their length. They can be found through your favoured search engine or distributor.
Answered by: Bosch Product Expert
Date published: 2021-02-24
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Blade Description TCT Blade
Blade Diameter 216 mm
Brand Bosch
Brushless Brushed
Cable Length 3 m
Carry Case/Bag Included No
Corded Tool Weight 13.5 kg
Disc Bore Size 30 mm
Manual or Powered Powered
Manufacturer Guarantee 1 Year Guarantee
Max. Bevel Angles (L/R) 45° - 0°
Max. Cross Cut 270 x 70 mm
Max. Mitre Angles (L/R) 47° - 0° - 47°
Mitre Saw Bevel Slide Sliding
Mitre Stop Angles 45 °
Model No GCM800SJ1
No. of Bevels Single-Bevel
No Load Speed 5500 rpm
Number of Teeth 24
Pack Size 1
Pieces in Pack/Case 1
Plug Included Includes Plug.
Power Output (Watts/Kw) 1400 W
Power Supply Electric
Power Voltage Supply 110 V
Product Type Compound Mitre Saw

Product contents

GCM 800 SJ, blade and allen key.


Instruction Manual