Choosing an appropriate angle grinder requires understanding several key specifications and features. The disc size, typically ranging from 4.5 to 9 inches, determines the cutting depth and overall capability of the angle grinder. Larger disc sizes handle more substantial cutting tasks but increase the tool's weight and size. Motor power, measured in amperes for corded models or volts for cordless versions, affects the angle grinder's performance under load. These specifications should be matched to the intended applications to ensure the selected angle grinder meets project requirements without unnecessary bulk or power limitations.

Safety features represent important considerations when selecting an angle grinder. Modern models may include electronic brakes that quickly stop disc rotation after trigger release, reducing coasting time. Kickback detection systems can automatically shut down the angle grinder if sudden binding occurs. The design and adjustability of the safety guard impact both protection and accessibility during operation. These safety enhancements, combined with traditional features like two-handle operation and slip-resistant grips, contribute to safer use of the angle grinder in various working conditions.

Ergonomics and control options affect the usability of an angle grinder. Weight distribution and handle design influence operator fatigue during extended use. Variable speed controls allow adjustment of the angle grinder's rotation to match different materials and applications. Anti-vibration systems reduce hand fatigue and improve control during precise operations. These user-focused features become particularly important for professionals who regularly use an angle grinder throughout their workday, making comfort and control significant factors in tool selection.

Accessory compatibility and special features further differentiate angle grinder models. Quick-change systems simplify disc replacements without requiring tools, while spindle lock mechanisms facilitate secure accessory installation. Some angle grinder designs include integrated dust collection ports that connect to vacuum systems for cleaner operation. The availability of accessory options specifically designed for a particular angle grinder model expands its functional range. Considering these additional features helps identify an angle grinder that not only meets basic requirements but also enhances efficiency and convenience for specific applications and user preferences.