Description
Yato cordless grinder set 18V (YT-828296) contains two grinders from the Yato 18V battery system: a brushless 125 mm angle grinder YT-828293 and a die grinder YT-82824. The set includes one 4 Ah (72 Wh) Li-Ion battery that fits both machines, and a charger.
The angle grinder speed is 3000–8500 min⁻¹, the disc diameter is 125 mm, the bore 22.2 mm and the spindle thread M14. The speed is selected electronically in stages, and the soft start evens out acceleration. The angle grinder is used for grinding and cutting metal and mineral materials such as natural stone and hard porcelain stoneware.
The die grinder speed is 8000–26000 min⁻¹. It has a 6 mm collet, the clamping nut thread is M15, and the maximum accessory diameter is 25 mm. The die grinder is used for grinding, polishing, brushing, engraving and cutting in tight spots.
The charger charges the 4 Ah battery in about 2 hours, and the battery has a charge level indicator. Both machines have electrical protection class III and IP rating IPX0. The sound power level of the angle grinder is 97.0 dB(A) and that of the die grinder 89.0 dB(A).
Uses and suitability:
The Yato cordless grinder set 18V is designed for working metal, stone and ceramic materials in the workshop and on installation sites. Suitable discs for the angle grinder include, for example, the Yato cutting disc for metal and Yato flap disc 125 mm. The machines are also available separately without a battery: Yato cordless angle grinder 18V 125 mm, body only and Yato cordless die grinder 18V, body only.
- Grinding welds and surfaces: grind with the side of the angle grinder disc at an angle of no more than 30°; finish tight corners and holes with the die grinder.
- Metal cutting: cut profiles and pipes in a straight line with the angle grinder and a 125 mm cutting disc.
- Stone and ceramics: dry cut and grind with diamond discs on the angle grinder; use grinding stones and points on the die grinder.
- Mould and finishing work: polish, brush and engrave with the die grinder using accessories with a 6 mm shank and a diameter of up to 25 mm.
Package contents:
- Cordless angle grinder 18V 125 mm (YT-828293)
- Auxiliary handle, disc guard and disc wrench
- Cordless die grinder 18V (YT-82824)
- 2 × open-ended spanner for fitting accessories
- Li-Ion battery 18 V / 4 Ah
- Charger
Features:
- Two machines, one battery: the same 18 V / 4 Ah battery fits both the angle grinder and the die grinder.
- Brushless angle grinder: 125 mm discs, M14 spindle, spindle lock for changing the disc.
- Stepped speed control: speed stages selected with a button on both machines; low stages are shown in green, high stages in red.
- Soft start: the machine accelerates evenly without a jolt.
- Die grinder 6 mm collet: the shank is clamped with a nut; at least half of the shank inside the collet.
- Lockable power switch: the die grinder switch can be locked in the forward position for long jobs.
- Charge level indicator and fast charging: the battery charges in about 2 hours.
Technical specifications:
- Speed, angle grinder: 3000–8500 min⁻¹.
- Speed, die grinder: 8000–26000 min⁻¹.
- Disc diameter (angle grinder): 125 mm.
- Disc bore diameter (angle grinder): 22.2 mm.
- Thread: M14 (angle grinder spindle), M15 (die grinder clamping nut).
- Maximum disc thickness (angle grinder): 6 mm.
- Collet size (die grinder): 6 mm.
- Maximum accessory diameter (die grinder): 25 mm.
- Voltage: 18 V DC.
- Battery type: Li-Ion (Yato 18V).
- Battery capacity: 4000 mAh (4 Ah).
- Battery energy: 72 Wh.
- Number of batteries: 1.
- Charger: included; input voltage 220–240 V, 50/60 Hz, output 21 V DC / 2.4 A, 60 W.
- Charging time: 2 h.
- Motor: brushless (angle grinder).
- Speed control: yes.
- Soft start: yes.
- Fast charging: yes.
- Charge level indicator: yes.
- Electrical protection class: III.
- IP rating: IPX0.
- Sound pressure level LpA: 78.0 ± 3.0 dB(A) die grinder, 89.0 ± 3.0 dB(A) angle grinder.
- Sound power level LwA: 89.0 ± 3.0 dB(A) die grinder, 97.0 ± 3.0 dB(A) angle grinder.
- Vibration: 2.47 ± 1.5 m/s² die grinder, 7.28 ± 1.5 m/s² angle grinder.
- Standards: EN 62841-1, EN IEC 62841-2-3 (angle grinder), EN 60745-2-23 (die grinder), EN 55014-1, EN 55014-2.
Yato cordless grinder set 18V user manual:
Battery: charge the battery in the charger before first use (red LED = charging, green = full). Push the battery into the battery slot of the machine until the latch locks. Always remove the battery before changing accessories, making adjustments and maintenance.
Angle grinder: fit the disc guard and auxiliary handle. Place the upper flange, the disc and the lower flange on the spindle, press the spindle lock and tighten with the wrench. Test run for a minute without load. Grind at an angle of no more than 30° and cut with the disc perpendicular, guiding the grinder in the direction of disc rotation.
Die grinder: loosen the clamping nut with two open-ended spanners, insert the shank into the collet so that there is no more than 8 mm between the working part and the collet and at least half of the shank is inside the collet, and tighten the nut. Start by pressing the rear of the switch and sliding the switch forward; test run for about 30 seconds.
Speed: select the stage with the button with the battery fitted. On the angle grinder, low stages for brushes and sandpaper and high stages for grinding discs; on the die grinder, the speed is selected according to the accessory before starting work.
Working and maintenance: secure the workpiece, hold the machine with both hands and bring the accessory to the workpiece only at full speed. The outer surface temperature must not exceed 60 °C. Clean the housings and ventilation openings with compressed air (max. 0.3 MPa), a brush or a dry cloth.
Warnings:
- Wear safety glasses or a face shield, hearing protection, a respirator and protective gloves; grinding dust can be harmful to health.
- On the angle grinder, use only discs with a permitted peripheral speed of at least 80 m/s and a permitted speed at least equal to the machine’s speed; on the die grinder, use accessories of up to 25 mm with a permitted speed of at least 26000 min⁻¹.
- Do not use the angle grinder without the disc guard and auxiliary handle.
- Risk of kickback: do not jam the disc, do not stand in line with the cut, and do not use toothed saw blades.
- Sparks can start a fire; do not work near flammable materials.
- Accessories and the workpiece get hot; let them cool before removing.
- Hold the machine by its insulated handles if the accessory may hit hidden electrical wiring.
- Charge the battery only with the supplied charger in a dry place under adult supervision.
Frequently asked questions (FAQ):
What does the Yato cordless grinder set 18V package include? Angle grinder YT-828293 with auxiliary handle, guard and wrench, die grinder YT-82824 with two open-ended spanners, one 18 V / 4 Ah Li-Ion battery and a charger. Grinding discs and die grinder accessories are not included.
Can the same battery be used in both machines? Yes. The battery is moved from one machine to the other; it also fits other tools in the Yato 18V system.
What size accessories fit the die grinder? Accessories with a 6 mm shank and a diameter of up to 25 mm; the shank may protrude from the collet by no more than 8 mm.
Which discs fit the angle grinder? 125 mm discs with a 22.2 mm bore or an M14 thread, a thickness of up to 6 mm and a permitted peripheral speed of at least 80 m/s.
How long does it take to charge the battery? The supplied charger charges the 4 Ah battery in about 2 hours.
Recycling instructions:
Sort the cardboard packaging for cardboard recycling and plastic parts for plastic recycling. At the end of their life, the Yato cordless grinder set 18V is electrical equipment (EEE): take the machines and charger to a collection point for waste electrical and electronic equipment (WEEE) or to the retailer, not to mixed waste. Recycle the Li-Ion battery separately at a battery collection point with its terminals taped. Lithium-ion batteries are dangerous goods in transport: a damaged battery must not be shipped.









