What does a brushless motor gain you?

With no brush contact there is no friction loss: longer runtime from the same battery, more torque, and a motor that needs no maintenance — there are no brushes to replace. It costs more up front, which pays back quickly on tools used for hours a day.

Are 18 V and 20 V max the same thing?

Yes — they describe the same cell arrangement. 18 V quotes nominal voltage, 20 V max quotes peak voltage off-load; both come from five lithium-ion cells in series. There is no power difference between them.

Do batteries from different makers interchange?

No. Each platform has its own rail geometry and communication electronics. Choose the platform before the tool, because the battery usually outlives the machine.

Does a higher amp-hour rating make the tool more powerful?

No — power comes from voltage and the motor. Ah is runtime: on an 18 V tool a 5.0 Ah pack runs around two and a half times longer than a 2.0 Ah pack, but weighs more.

What is the difference between SDS-plus and SDS-max?

Shank size and duty class. SDS-plus has a 10 mm shank and covers 4-30 mm holes for services and anchors. SDS-max has an 18 mm shank and belongs to heavy rotary hammers. The bits do not interchange.

Which figure matters when choosing a rotary hammer?

Impact energy in joules, not watts. Around 2-3 J suits anchor holes and services, 5-10 J breaking concrete, and above 20 J demolition work.

Is a percussion drill the same as a rotary hammer?

No. A percussion drill generates its hammer action by two ridged plates rubbing together, which suits brick and soft masonry. A rotary hammer uses a pneumatic piston, breaks concrete with impact energy and drills far faster.

Which torque figure applies on an impact wrench?

Catalogues usually quote two: fastening torque and the higher breakaway torque. Fastening torque is what your application needs; breakaway shows the capacity to free a corroded joint.

Can standard sockets be used on an impact wrench?

No. Impact wrenches take impact sockets (CrMo, usually black). Bright chrome hand sockets can shatter under hammer blows.

For bench work and continuous high-power cutting, corded still wins. On a jobsite with short tasks in many positions, a cordless platform cuts total time considerably.

How does wholesale purchase and dealership work?

Send the model list and quantities; we return stock, wholesale pricing and lead time together. On cordless kits we advise on platform and battery configuration as well.

How are warranty and service handled?

Through the Turkish authorised service network of each brand we supply. Claims go in with the invoice and serial number; on bulk orders we make the service contact ourselves.

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Power Tools

Choosing a power tool usually means choosing between two machines that do the same job — and the difference sits in the motor type, the battery platform and the tool holder. This page explains the groups, what brushed and brushless actually change, what battery voltage does and does not tell you, and how the SDS shank systems divide. The catalogue holds over 1,400 corded and cordless tools across 25 groups.

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The groups and what they do

Power tools divide by the job: drilling, driving, cutting, grinding and surface work. Two machines in one group look alike on a listing, but power, tool holder and speed range decide which materials they belong in.

Group	Job	Figure to check	Typical use
Drills & drivers	Drilling, driving screws	Torque (Nm), chuck (mm)	Assembly, timber, maintenance
Rotary hammers	Drilling and breaking concrete	Impact energy (J), SDS type	Construction, services, demolition
Grinders & cutters	Grinding, cutting, dressing	Disc diameter (mm), power (W)	Metalwork, construction
Impact wrenches	High-torque fastening	Max torque (Nm), square drive	Automotive, steel structures
Saws	Cutting timber and metal	Cut depth (mm), stroke	Formwork, timber, strip-out
Sanders & polishers	Surface preparation, polishing	Base size, speed (rpm)	Before paint, vehicle care
Crimping tools	Pressing cable terminals	Section range (mm²)	Panels, electrical installation
Cordless kits	One battery, several tools	Platform (V), Ah	Jobsite, service vehicle

Brushed and brushless motors

In a brushed motor, current reaches the spinning commutator through carbon brushes; those brushes wear by friction and have to be replaced periodically. A brushless motor has no such contact — the switching is done electronically.

That shows up in three places: longer runtime from the same battery, no maintenance, and more torque from a smaller body. Brushless costs more up front. On a tool running several hours a day the difference pays back quickly; on one used a few times a month it may not.

Brushless: heavy use, cordless tools, long runtime.
Brushed: occasional use, lower entry cost, cheap and simple service.
A brushless motor needs no maintenance — there are no brushes to change.
At the same voltage, brushless usually delivers more torque.

Battery platform: voltage, Ah and compatibility

With cordless tools you choose the platform before you choose the machine. Once you are on a maker's 18 V system, the same battery runs dozens of tools on it; another maker's pack fits neither mechanically nor electronically. The first purchase therefore shapes every later one.

Voltage indicates power, amp-hours (Ah) indicate runtime. On an 18 V tool a 2.0 Ah pack is light and suits assembly work; a 5.0 Ah pack runs the same tool around two and a half times longer but weighs more. One maker's "20 V max" and another's "18 V" describe the same cell arrangement: one quotes peak voltage off-load, the other nominal voltage.

Platform	Typical use	Battery choice
12 V	Assembly, furniture, electrical work	2.0-4.0 Ah — light in the hand
18 V / 20 V max	General jobsite, most tool groups	4.0-5.0 Ah — the balance
18 V high output	Breakers, grinders, impact wrenches	8.0-12.0 Ah — sustained load
36 V / 2x18 V	Heavy cutting and breaking	Twin packs, corded-free heavy work

SDS shanks and chucks

On concrete machines the bit is not clamped in a chuck; it locks into an SDS holder and stays free along its axis so the hammer blow reaches the tip. SDS-plus has a 10 mm shank and works in the 4-30 mm hole range; SDS-max has an 18 mm shank and belongs to heavy rotary hammers. The two do not interchange.

Drills and drivers use a keyed or keyless chuck — keyless is faster, keyed grips harder against slip. Impact drivers use a 1/4" hex bit holder instead.

System	Shank	Range	Where
SDS-plus	10 mm	4-30 mm holes	Rotary hammers, services, anchors
SDS-max	18 mm	12-52 mm holes	Heavy rotary hammers, demolition
Keyless chuck	-	1-13 mm	Percussion and rotary drills
1/4" hex	-	Bits and drivers	Impact and standard drivers

What to look at when choosing

Four figures explain the price gap between two machines on a listing: motor type, power or torque, tool holder and — if cordless — the platform. The fifth is how often you use it. On a tool that runs for hours a day, a brushless motor and a high-Ah pack pay for themselves; on one used a few times a month they do not.

Choose the platform before the tool — the battery outlives the machine.
For rotary hammers read impact energy in joules, not watts.
On impact wrenches, "maximum torque" and "breakaway torque" are different numbers.
A larger grinder disc turns slower; it cuts deeper, not harder.
Corded machines are rated by watts, cordless ones by torque and pack capacity.

Wholesale supply from Seza Global

We supply Milwaukee, Makita, Bosch, Knipex, Hikoki, Ingco, Rapid and BEA power tools wholesale. From drills and drivers to grinders, rotary hammers and crimping presses, the range covers over 1,400 products in 25 groups.

For dealer and bulk purchase, send the model list and quantities; we come back with stock, pricing and lead time together. On cordless kits we will also advise on platform and battery configuration.

Frequently Asked Questions

What does a brushless motor gain you?
With no brush contact there is no friction loss: longer runtime from the same battery, more torque, and a motor that needs no maintenance — there are no brushes to replace. It costs more up front, which pays back quickly on tools used for hours a day.
Are 18 V and 20 V max the same thing?
Yes — they describe the same cell arrangement. 18 V quotes nominal voltage, 20 V max quotes peak voltage off-load; both come from five lithium-ion cells in series. There is no power difference between them.
Do batteries from different makers interchange?
No. Each platform has its own rail geometry and communication electronics. Choose the platform before the tool, because the battery usually outlives the machine.
Does a higher amp-hour rating make the tool more powerful?
No — power comes from voltage and the motor. Ah is runtime: on an 18 V tool a 5.0 Ah pack runs around two and a half times longer than a 2.0 Ah pack, but weighs more.
What is the difference between SDS-plus and SDS-max?
Shank size and duty class. SDS-plus has a 10 mm shank and covers 4-30 mm holes for services and anchors. SDS-max has an 18 mm shank and belongs to heavy rotary hammers. The bits do not interchange.
Which figure matters when choosing a rotary hammer?
Impact energy in joules, not watts. Around 2-3 J suits anchor holes and services, 5-10 J breaking concrete, and above 20 J demolition work.
Is a percussion drill the same as a rotary hammer?
No. A percussion drill generates its hammer action by two ridged plates rubbing together, which suits brick and soft masonry. A rotary hammer uses a pneumatic piston, breaks concrete with impact energy and drills far faster.
Which torque figure applies on an impact wrench?
Catalogues usually quote two: fastening torque and the higher breakaway torque. Fastening torque is what your application needs; breakaway shows the capacity to free a corroded joint.
Can standard sockets be used on an impact wrench?
No. Impact wrenches take impact sockets (CrMo, usually black). Bright chrome hand sockets can shatter under hammer blows.
Corded or cordless?
For bench work and continuous high-power cutting, corded still wins. On a jobsite with short tasks in many positions, a cordless platform cuts total time considerably.
How does wholesale purchase and dealership work?
Send the model list and quantities; we return stock, wholesale pricing and lead time together. On cordless kits we advise on platform and battery configuration as well.
How are warranty and service handled?
Through the Turkish authorised service network of each brand we supply. Claims go in with the invoice and serial number; on bulk orders we make the service contact ourselves.

Product Types