Product Description
The Hilti – NURON AG 4S-22 Cordless Angle Grinder (125 MM) (AG 4S-22-125, case #2248342) is a cordless grinder for metal, concrete and other materials. It is used by professionals in construction, metal fabrication and CCTV installation.
Size and power
- Disc diameter: 125 mm
- Maximum cutting depth: 34 mm
- Rated voltage: 21.6 V, from Hilti's NURON battery system. There is no mains lead, so it suits remote or confined spots.
- Motor: brushless. Hilti says it runs up to 10% longer and cuts up to 10% faster than its previous angle grinders.
Six speed settings
No-load speed rises through six gears: 3400, 3800, 4400, 5200, 6300 and 7600 rpm (revolutions per minute). One grinder can handle rough material removal and finer surface finishing. It is suitable for stainless steel.
In the hand
- Weight: 2.1 kg without battery (EPTA Procedure 01/2003)
- Dimensions: 321 x 83 x 133 mm (L x W x H)
- Handle: slimline and contoured, with a lock-on switch
- Noise and vibration: 83 dB(A) sound pressure level; 5.4 m/s² triaxial vibration value for angle grinding
Active Torque Control (ATC) is there for kickback protection. Kickback is the sudden jerk when a disc jams in the cut. The tool also has a quick-adjust guard and a dead-man switch, which stops the disc when you let go.
Specifications
- Product Type
- HILTI AG-4S-22 CORDLESS GRINDER
- Brand
- HILTI
Technical Specifications
Frequently Asked Questions
Which discs does this grinder accept?
It is built for 125 mm discs, and the maximum cutting depth is 34 mm.
Can it be used on stainless steel?
Yes, it is suitable for stainless steel. Speed control runs from 3400 to 7600 rpm across six gears.
What does Active Torque Control do?
Active Torque Control (ATC) gives improved protection from kickback if the disc gets stuck.
How heavy is it?
It weighs 2.1 kg without battery, measured to EPTA Procedure 01/2003.
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