BOSCH GCM 12 SDE
240v Slide mitre saw - 305mm blade
- 1800 Watt
- No load speed: 3100 - 4000rpm
- Depth of cut: 120mm
- Double bevel
Was £788
- 1800 Watt
- No load speed: 3100 - 4000rpm
- Depth of cut: 120mm
- Double bevel
- 1800 Watt
- No load speed: 3100 - 4000rpm
- Depth of cut: 120mm
- Double bevel
GCM 12 SDE
The GCM 12 SDE is a 305 mm corded double-bevel sliding mitre saw from Bosch, designed for high-capacity cutting across a wide range of materials. It features a variable speed motor, tool-free blade changes, and a robust rail-forward design — ideal for demanding workshop and site applications.
Key Features:
• Power: 1800 watts
• Cutting Capacity at 0°: 85 x 370 mm
• Cutting Capacity at 0° with Spacer (max. vertical): 120 x 200 mm
• Cutting Capacity at 0° with Spacer (max. horizontal): 70 x 400 mm
• Cutting Capacity at 45° Mitre: 85 x 250 mm
• Cutting Capacity at 45° Bevel: 60 x 360 mm
• Bevel Range: 47° left / 47° right
• Mitre Range: 52° left / 60° right
• Variable Speed: 3100–4000 rpm for material-specific cutting
• Tool-Free Blade Change: Quick and convenient
• Soft Start & Motor Brake: Enhances control and safety
• Dust Extraction Port: Compatible with Bosch Click & Clean system
• Supplied With: 305 mm 72T Expert for Wood blade (30 mm bore)
Technical Specifications:
• Voltage: 240V
• No-Load Speed: 3100–4000 rpm
• Blade Diameter: 305 mm
• Blade Bore: 30 mm
• Weight: 28.6 kg
• Dimensions (L x W x H): 860 x 600 x 530 mm
• Sound Pressure Level: 93 dB(A)
• Sound Power Level: 104 dB(A)
• Vibration Level (cutting wood): ≤ 2.5 m/s²
Alternative: GCM 12 GDL
A premium Bosch 305 mm mitre saw with axial-glide arm for ultra-smooth, space-saving operation — ideal for precision-focused users.
An introduction to mitre saws: A mitre saw is a portable machine for making cross or, by rotating the tool's turntable, angle (known as mitre) cuts in wood. Mitre saws are used both in workshops & by onsite carpenters for window casings, architraving, door frames, picture frames etc. The wood is taken to the mitre saw rather than the machine being taken to the material as in a circular saw. The majority are mains powered but cordless versions do exist. Click here to see all our saws
To choose between mitre saws: The key criteria needed for choosing a mitre saw is the diameter of the blade to determine the width & depth of cut. Mitre saws with this 305mm diameter blade are the largest available. Click here to see all our mitre saws
To make sure you've got the right mitre saw - 305mm blade: Choosing your power source: 240v tools are used with normal mains power whilst 110v tools are used on construction sites for safety reasons.
Click here to see all our mitre saw - 305mm blade
Vertical cutting capacity of 120 mm
Variable speed for adapting the cutting speed to the material
SDS saw blade changes
Speed preselection of 3,100 - 4,000 rpm
Intuitive bevel lock
Integrated table extensions for material support
Easy changing of the saw blade
Bevel setting of up to 47° on both sides
Cutting capacity, 0°: 120 x 400 mm
Mitre setting: 52 ° L / 60 ° R
Incline setting: 47 ° L / 47 ° R
Depth x length x height: 86 x 60 x 53 cm
No-load speed: 3.100 - 4.000 rpm
Saw blade diameter: 305 mm
Saw blade bore diameter: 30 mm
Weight: 28,6 kg
Rated power input: 1.800 W
Bosch Blue - Professional
- 1 year warranty can be extended to 3 years (2 years for Batteries/Chargers) by registering the tool online within 30 days of purchase. For full information click here
- To register your tool for extended warranty click here
- Warranty claims: Call Bosch direct to arrange warranty repair Tel: 0344 736 0109 or use the online collection service
Bosch Garden Tools
- 2 year warranty - for full information click here
- Sign up for free 3 year warranty - click here
- Warranty claims: Call Bosch direct to arrange warranty repair Tel: 0344 736 0109 or use the online collection service
Bosch Green - DIY
- 2 year warranty - for full information click here
- Sign up for free 3 year warranty - click here
- Warranty claims: Call Bosch direct to arrange warranty repair Tel: 0344 736 0109 or use the online collection service
- You can order until 8pm for free next working day delivery to nearly all of England and Wales. For locations further from our hub, our cut off is 5pm. Some harder-to-reach locations may take an extra day. More info »
- For most orders we use a premium carrier that notifies you of a one hour timed delivery slot and sends text updates.
- If you change your mind within 30 days of buying a tool, not a problem (assuming the tool has not been used and is in its original packaging) - call us on 0333 004 3000 or email us at [email protected] and we’ll contact you to arrange collection. Once the tool is received back, we will refund the cost of the tool less a £6 collection charge.
- If the tool is faulty within 30 days of buying it, we will arrange for its collection at no cost to you and supply a replacement.
- If the tool is faulty after 30 days of buying it, and before the expiry of the manufacturer’s warranty, we will guide you through the manufacturer’s warranty process.
