Sierra circular Bosch GKS 18V-51 sierra circular de mano con batería 18 V

The Bosch GKS 18V-51 Akku-Handkreissäge 18 V is a cordless circular saw designed for accurate, efficient cutting in mobile and workshop environments. Powered by an 18 V battery and fitted with a 165 mm blade, this compact saw delivers a maximum cutting depth of 57 mm at 90° and 42 mm at 45°. The tool includes an integrated LED light and a dust blower to keep the cut line visible, and its lightweight, ergonomic design supports comfortable handling during extended tasks.

Advantages

This cordless circular saw offers precise depth and angle control, thanks to its 165 mm blade and clear marking for 90° and 45° cuts. Its lightweight construction reduces user fatigue and improves manoeuvrability on site. The integrated LED improves visibility in low-light conditions, while the dust blower keeps the cutting line free of debris for more accurate results. The ergonomic handle provides secure grip and better control during straight and bevel cuts.

Suitable for

• Cross-cutting and ripping of wood panels and planks
• On-site carpentry and renovation work
• Cutting laminates, boards and construction timber
• DIY projects requiring portable and precise circular cuts

Key specifications

• Blade diameter: 165 mm
• Rated voltage: 18 V (battery-powered)
• Maximum cutting depth at 90°: 57 mm
• Maximum cutting depth at 45°: 42 mm
• Integrated LED light for improved visibility
• Dust blower to keep the cutting line clear
• Lightweight, ergonomic handle design

How to use

Fit a suitable 165 mm saw blade according to the material to be cut and ensure the battery is fully charged. Set the cutting depth and bevel angle using the saw’s adjustment controls, and secure the workpiece. Start the saw, allow the blade to reach full speed, then guide the saw steadily along the cut line using the ergonomic handle. Use the LED and dust blower features to keep the line visible. After completing the cut, allow the blade to stop completely before setting the saw down and removing the battery if required.

Recommendations

Use blades rated for the specific material for best results and replace worn blades to maintain cutting quality. Wear appropriate personal protective equipment including eye and hearing protection, and follow local safety regulations. For repeated bevel cuts, make test cuts to verify angle settings and adjust depth incrementally to avoid overloading the tool.