Angle grinder HITACHI G13SR4, 125 mm disc, 10,000 RPM, 730 W, 1.8 kg

HITACHI G13SR4 is a compact handheld angle grinder equipped with a 125 mm grinding disc and a 730 W AC motor. With a maximum no-load speed of 10,000 RPM and a spindle thread compatible with M14 x 2 accessories, this tool is designed for cutting, grinding and surface preparation of metal and masonry. The grinder’s length of 258 mm and weight of 1.8 kg make it suitable for tasks that require maneuverability and extended use in DIY and light professional environments.

Advantages

The grinder combines a high-speed 10,000 RPM motor with a moderate 730 W power rating to deliver efficient material removal while keeping the tool compact and lightweight. Its 125 mm disc diameter balances cutting depth and control for a variety of applications. The ergonomic form and low overall weight reduce user fatigue during prolonged work. Standard M14 spindle threading ensures broad compatibility with widely available abrasive discs and accessories.

Suitable for

• Cutting metal sheets, rebar and pipes
• Grinding and smoothing welds and metal edges
• Removing rust, paint and surface contaminants from metal
• Light masonry cutting, shaping and surface preparation
• General DIY repairs and small-scale professional jobs

Key specifications

• Disc diameter: 125 mm
• No-load speed: 10,000 RPM
• Motor power: 730 W (AC)
• Weight: 1.8 kg
• Overall length: 258 mm
• Spindle thread: M14 x 2 (for compatible accessories)

How to use

Fit a suitable 125 mm disc compatible with an M14 spindle and secure the protective guard before connecting the grinder to mains power. Hold the tool with both hands, keeping a firm grip on the main body and the auxiliary handle if fitted. Start the grinder and allow it to reach full speed before contacting the workpiece, then apply steady, even pressure without forcing the disc. Maintain control of the tool during cutting or grinding motions and avoid side-loading discs not intended for that use. After finishing, switch off the grinder and wait until the disc stops completely before setting the tool down or changing accessories.

Usage recommendations

Use appropriate personal protective equipment including eye protection, hearing protection and gloves. Select discs rated for 125 mm diameter and suitable for the material and speed. For prolonged cutting or heavy grinding, allow periodic cooling intervals and inspect discs for wear or damage before each use.