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Features & Applications
Features & Applications
Brushless motor – lasts up to three times longer (no commutator to damage and no carbon brushes to change)
Very slim design for high working comfort and and lock-on switch for less tiring to use in any working position
Speed dial range from 3500-8000 rpm for perfect grinding and cutting applications on stainless materal
Active Torque Control (ATC) stops the tool body from spinning uncontrolledly if the disc jams – helping to reduce a common safety hazard
Large Battery platform
Cutting and grinding steel, stainless steel and other metals
Deburring and polishing metal
Cutting and grinding mineral materials
Cutting tiles using continuous-rim diamond discs
Documents & Videos
Consulting & Support
Speed up your cordless grinding performance
The AG 4S-A22 cordless angle grinder raises the bar for speed and handling
Whether cutting rebar, tubes or sheets, deburring, surface cleaning or removing welds, it requires a steady grip to get a good result. The slim, light and balanced AG 4S-A22 is designed to sit firmly in your hand – giving you the responsive handling you need.
The low-weight, small body and ergonomic design help to improve handling for medium- to heavy-duty grinding and finishing. The slim barrel grip makes it easier to hold and control when undertaking fine grinding.
Variable speed dial
The 6-step variable speed dial lets you select the disc speed needed to grind carbon steel and stainless steel, while the brushless motor and Hilti 22V batteries give you reach and performance you can depend upon.
A lock-on switch means the tool is always working without the need to hold down a button. This reduces operator arm-strain and allows the angle grinder to keep grinding when you change position or grip.
Active Torque Control (ATC), Active Vibration Reduction (AVR) and a fast-acting disc stop mean you can work faster while keeping the grinder under control, contributing to additional safety on the job.
Versatile, flexible and powerful
A flexible addition to your workbench, the AG 4S-A22 is fully compatible with our range of 22V batteries and chargers and can be used with will all existing cutting and grinding discs up to Localised Dimension Data Required.
Speed control for working with stainless steel
The AG 4S-A22 includes a 6-step speed control letting you select the disc rotation speed, from 3,000 - 8,000 rpm, to match the needs of your application. This is especially important when working with abrasive inserts on stainless steel (inox), where the speed dial is key to:
Better results – because you have precise control of the abrasiveness
Faster progress – because skilled metalworkers can adjust the tool to suit their most effective technique
Flexibility – because you can adjust the speed to suit your material and application
The AG 4S-A22 uses an optimized air-flow system to cool the angle grinder and electronics which results in increased service life. As you'd expect, all Hilti cordless tools come with 2 years of wear-and-tear coverage and, if your tool does break, we’ll repair it within 3 days – all at no cost, and giving you peace of mind.
Hilti abrasive discs give an outstanding balance of lifetime performance and operational speed
Ultimate flap disc with cooling coating for light grinding on stainless steel.
Ultimate abrasive grinding disc for metals featuring super-high removal rate and extra-long lifetime.
Ultimate abrasive cutting disc for metals offering extra-long lifetime and extra-high cutting speed.