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See how the Bosch PS21N measures up with 132 key specs & features. Start with general information, power & motor, battery & charging & chuck & drive system and go deep into what makes this tool tick.
A fast snapshot of the Bosch PS21N , covering its standout specification and what you can expect right out of the box.
Bosch PS21N
Known as the "Pocket Driver," the Bosch PS21 12V Max 1/4" Hex Driver is incredibly compact with a 5.6-inch head length. Weighing only 1.4 lbs, it provides 265 in-lbs of torque and a quick-change hex chuck, making it a favorite for cabinet installers and finish carpenters.
Specifications & Facts 132
Specs measured. Drama avoided.
We filtered the fluff and focused on what matters. The Bosch PS21N cordless drill & impact driver offers 132 performance-focused specs — including general information, power & motor, battery & charging & chuck & drive system.
General Information 12
Bosch PS21N Intended Use
What is the intended use?
0 Bosch PS21N 0 Votes DIY, Home Improvement, Professional
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Bosch PS21N
Intended uses include DIY, Home Improvement, and Professional, covering a broad range of user needs.
That versatility makes the tool suitable for hobbyists and trade professionals alike.
Defines the recommended usage segment.
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Bosch PS21N Professional Grade
Is this tool professional grade?
Yes 0Votes Bosch PS21N
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Bosch PS21N
Professional grade suggests construction and performance geared toward frequent, job-site use rather than occasional consumer tasks.
Expect more durable materials and features aligned with trade use.
Indicates whether the tool is rated for professional-grade performance.
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Bosch PS21N Certification Compliance
What certifications does it comply with?
0 Bosch PS21N 0 Votes UL, CSA
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Bosch PS21N
Certified to UL and CSA standards, indicating compliance with North American safety and electrical standards.
These certifications support safer use in commercial and residential environments.
Lists applicable safety or compliance certifications.
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Bosch PS21N Power Source
What is the power source?
0 Bosch PS21N 0 Votes Cordless
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Specifies how the tool receives power.
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Bosch PS21N Brushless Motor
Does it feature a brushless motor?
No 0Votes Bosch PS21N
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Confirms if the tool features a brushless motor design.
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Bosch PS21N Cordless Platform Compatibility
What battery platform is it compatible with?
0 Bosch PS21N 0 Votes 12V
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Specifies the battery voltage/platform the tool is compatible with.
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Bosch PS21N Package Type
Is it sold as a tool only or a kit?
0 Bosch PS21N 0 Votes Tool Only
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Indicates whether the product is sold as a standalone tool or with included accessories.
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Bosch PS21N Release Year
What is the release year?
0 Bosch PS21N 0 Votes 2020
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Indicates the year the product was released.
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Bosch PS21N Product Type
What is the product type?
0 Bosch PS21N 0 Votes Impact Driver
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Identifies whether the tool is a drill, impact driver, hammer drill, or combo kit.
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Bosch PS21N Tool Class
What is the tool class?
0 Bosch PS21N 0 Votes Compact
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Indicates the size and power class of the tool.
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Bosch PS21N Motor Type
What type of motor does it use?
0 Bosch PS21N 0 Votes Brushed
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Describes whether the motor is brushed or brushless.
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Bosch PS21N Country of Manufacture
Where is the tool manufactured?
0 Bosch PS21N 0 Votes Malaysia
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States where the product is manufactured.
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Power & Motor 15
Bosch PS21N Voltage
What is the operating voltage?
12 Volt 0Votes
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Bosch PS21N
Rated voltage is 12 V, placing this tool in the compact 12V class designed for light-to-medium tasks.
12 V platforms typically offer a good balance of portability and sufficient power for everyday fastening.
Indicates the operating voltage of the tool platform.
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Bosch PS21N No Load Speed Low
What is the low no-load speed?
350 RPM 0Votes
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Bosch PS21N
Low no-load speed is 350 RPM, useful for starting screws and torque-sensitive operations.
Lower speed settings help prevent stripping and allow more precise control.
Defines the lower gear rotational speed without load.
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Bosch PS21N No Load Speed High
What is the high no-load speed?
1,300 RPM 0Votes
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Bosch PS21N
High no-load speed is 1300 RPM, which provides a balance between driving speed and control.
This speed is suitable for many fastening applications without excessive bit overrun.
Defines the higher gear rotational speed without load.
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Bosch PS21N Max Torque
What is the maximum torque?
265 in-lbs 0Votes
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Bosch PS21N
Maximum torque is 265 in-lbs (approximately 29.95 N·m).
That torque level supports many medium-duty fastening tasks such as driving long screws or lag bolts into softer materials.
Represents maximum fastening torque output.
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Bosch PS21N Impact Rate
What is the impact rate?
2,600 BPM 0Votes
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Bosch PS21N
Impact rate is 2600 BPM, delivering rapid percussive impacts for efficient screw driving.
A higher impact rate helps maintain driving speed in demanding fastening tasks.
Defines the number of impacts per minute for impact drivers or hammer drills.
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Bosch PS21N Max Drilling Capacity Wood
What is the max drilling capacity in wood?
0.75 inch 0Votes
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Bosch PS21N
Maximum wood drilling capacity is 0.75 inch (≈ 1.91 cm).
That size covers common woodworking needs like pilot holes and small-bore holes for hardware.
Maximum recommended drilling diameter in wood.
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Bosch PS21N Max Drilling Capacity Metal
What is the max drilling capacity in metal?
0.38 inch 0Votes
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Bosch PS21N
Maximum metal drilling capacity is 0.38 inch (≈ 0.97 cm).
This is suitable for small pilot holes and light metal fabrication tasks.
Maximum recommended drilling diameter in metal.
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Bosch PS21N Electronic Brake
Does it have an electronic brake?
Yes 0Votes Bosch PS21N
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Bosch PS21N
Electronic braking provides rapid stop of rotation via motor control, assisting in precise work and minimizing follow-through.
It enhances safety when changing bits or when a quick stop is required.
Stops the motor quickly after trigger release.
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Bosch PS21N Variable Speed Control
Does it have variable speed control?
Yes 0Votes Bosch PS21N
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Indicates if the trigger allows adjustable speed control.
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Bosch PS21N Speed Settings Count
How many speed settings are available?
0 Bosch PS21N 0 Votes 2
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Shows how many mechanical speed ranges are available.
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Bosch PS21N Torque Settings Count
How many torque settings are available?
0 Bosch PS21N 0 Votes 20+1
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Indicates adjustable clutch torque positions.
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Bosch PS21N Hammer Function
Does it include a hammer function?
No 0Votes Bosch PS21N
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Indicates whether hammer drilling mode is available.
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Bosch PS21N Stall Protection
Does it include stall protection?
No 0Votes Bosch PS21N
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Prevents motor damage during stall conditions.
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Bosch PS21N Soft Start
Does it support soft start?
No 0Votes Bosch PS21N
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Gradually increases speed to reduce kickback.
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Bosch PS21N Overload Protection
Does it have overload protection?
Yes 0Votes Bosch PS21N
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Protects motor and battery from excessive load.
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Battery & Charging 13
Bosch PS21N Battery Capacity
What is the battery capacity?
2 Ah 0Votes
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Bosch PS21N
Battery capacity is 2 Ah, which balances runtime and pack size for general job-site use.
Higher amp-hour ratings increase runtime but also add weight and size.
Represents the battery storage capacity in amp-hours.
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Bosch PS21N Smart Battery Protection
Does it include smart battery protection?
Yes 0Votes Bosch PS21N
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Bosch PS21N
Smart battery protection helps prevent conditions like overcurrent, overtemperature, and overcharge, which extends battery life.
This feature improves safety and can reduce long-term battery replacement costs.
Protects battery from overcharge, overheating, and over-discharge.
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Bosch PS21N Battery Type
What is the battery type?
0 Bosch PS21N 0 Votes Slide Pack
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Defines the physical battery attachment format.
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Bosch PS21N Battery Chemistry
What is the battery chemistry?
0 Bosch PS21N 0 Votes Lithium Ion
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Indicates the chemical composition of the battery cells.
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Bosch PS21N Number of Batteries Included
How many batteries are included?
0 Bosch PS21N 0 Votes 0
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States how many batteries come in the package.
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Bosch PS21N Battery
Is a battery included?
No 0Votes Bosch PS21N
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Indicates whether at least one battery is included.
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Bosch PS21N Charger
Is a charger included?
No 0Votes Bosch PS21N
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Confirms whether a charger is included in the package.
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Bosch PS21N Fast Charging
Does it support fast charging?
No 0Votes Bosch PS21N
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Indicates compatibility with rapid charging systems.
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Bosch PS21N Battery Indicator
Does it have a battery indicator?
No 0Votes Bosch PS21N
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Shows remaining battery charge level.
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Bosch PS21N Battery Platform
Which battery platform is compatible?
0 Bosch PS21N 0 Votes 12V
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Specifies which battery platform the tool is compatible with.
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Bosch PS21N Interchangeable Battery System
Is the battery interchangeable across tools?
Yes 0Votes Bosch PS21N
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Indicates compatibility across multiple tools in the same lineup.
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Bosch PS21N Replacement Battery Availability
Are replacement batteries available?
Yes 0Votes Bosch PS21N
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Confirms whether replacement batteries are widely available.
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Bosch PS21N Wireless Charging
Does it support wireless charging?
No 0Votes Bosch PS21N
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Indicates compatibility with wireless charging systems.
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Chuck & Drive System 12
Bosch PS21N Chuck Size
What is the chuck size?
0.25 inch 0Votes
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Bosch PS21N
Chuck size is 0.25 inch (approximately 0.64 cm), indicating compatibility with smaller-diameter bits.
This size is common for compact drivers and is useful for precision work and light fastening.
Specifies the maximum shank diameter the chuck can accept.
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Bosch PS21N Keyless Chuck
Does it feature a keyless chuck?
Yes 0Votes Bosch PS21N
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Bosch PS21N
A keyless chuck allows you to change bits quickly without a separate key, speeding up workflow.
It is especially helpful when switching bits frequently on the job.
Indicates if bits can be changed without a key.
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Bosch PS21N Quick Release System
Does it have a quick release system?
Yes 0Votes Bosch PS21N
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Bosch PS21N
A quick-release system enables rapid attachment or removal of accessories, reducing downtime between tasks.
It is useful when alternating frequently between bits or drivers.
Allows rapid bit changes with one hand.
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Bosch PS21N Chuck Type
What type of chuck does it use?
0 Bosch PS21N 0 Votes Keyless
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Identifies the chuck or collet mechanism used to hold bits.
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Bosch PS21N Clutch Positions
How many clutch positions are available?
0 Bosch PS21N 0 Votes 21
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Indicates the number of adjustable clutch positions.
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Bosch PS21N Forward Reverse Switch
Does it have a forward/reverse switch?
Yes 0Votes Bosch PS21N
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Allows switching between forward and reverse rotation.
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Bosch PS21N Spindle Lock
Does it have a spindle lock?
Yes 0Votes Bosch PS21N
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Locks the spindle for easier bit installation or removal.
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Bosch PS21N Bit Type Compatibility
What bit types are compatible?
0 Bosch PS21N 0 Votes Hex Shank
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Indicates which bit shank types are supported.
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Bosch PS21N Drive Size
What is the drive size?
0.25 inch 0Votes
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Defines the anvil or hex drive size for fastening applications.
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Bosch PS21N Clutch Type
What type of clutch system is used?
0 Bosch PS21N 0 Votes Mechanical
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Specifies the type of torque control clutch system.
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Bosch PS21N Anvil Type
What type of anvil does it use?
0 Bosch PS21N 0 Votes Hex Collet
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Defines the retention style of the impact anvil.
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Bosch PS21N Magnetic Bit Holder
Does it include a magnetic bit holder?
No 0Votes Bosch PS21N
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Indicates whether a built-in magnetic bit holder is included.
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Performance & Efficiency 11
Bosch PS21N Efficiency Rating
What is the efficiency rating?
0 Bosch PS21N 0 Votes Standard
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Specifies the efficiency rating of the tool or battery system.
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Bosch PS21N Heat Management System
Does it include a heat management system?
Yes 0Votes Bosch PS21N
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Describes whether the tool includes active heat dissipation features.
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Bosch PS21N Load Sensing Technology
Does it have load sensing technology?
No 0Votes Bosch PS21N
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Automatically adjusts performance based on load conditions.
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Bosch PS21N Auto Torque Adjustment
Does it support auto torque adjustment?
No 0Votes Bosch PS21N
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Automatically modifies torque output based on resistance.
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Bosch PS21N Smart Control Integration
Does it support smart control integration?
No 0Votes Bosch PS21N
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Indicates compatibility with smart tool management systems.
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Bosch PS21N Maximum Fastening Capacity
What is the maximum fastening capacity?
0.25 inch 0Votes
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Defines maximum recommended screw length or fastening size.
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Bosch PS21N Maximum Bolt Diameter
What is the maximum bolt diameter?
0.25 inch 0Votes
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Indicates maximum supported bolt diameter.
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Bosch PS21N Maximum Screw Size
What is the maximum screw size?
0.25 inch 0Votes
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Shows the maximum recommended screw size.
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Bosch PS21N Drilling Mode
Does it include drilling mode?
Yes 0Votes Bosch PS21N
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Confirms availability of standard drilling mode.
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Bosch PS21N Impact Mode
Does it include impact mode?
Yes 0Votes Bosch PS21N
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Confirms availability of impact driving mode.
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Bosch PS21N Hammer Mode
Does it include hammer mode?
No 0Votes Bosch PS21N
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Confirms availability of hammer drilling mode.
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Build Quality & Durability 14
Bosch PS21N Housing Material
What is the housing material?
0 Bosch PS21N 0 Votes Reinforced Plastic
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Specifies the primary material used for the tool body.
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Bosch PS21N Grip Material
What is the grip material?
0 Bosch PS21N 0 Votes Rubber Overmold
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Describes the material covering the handle area.
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Bosch PS21N Reinforced Gearbox
Does it have a reinforced gearbox?
Yes 0Votes Bosch PS21N
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Indicates if the gearbox is reinforced for heavy-duty use.
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Bosch PS21N Metal Gear Construction
Does it use metal gear construction?
Yes 0Votes Bosch PS21N
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Confirms if internal gears are made of metal.
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Bosch PS21N Dust Resistance Rating
What is the dust resistance rating?
0 Bosch PS21N 0 Votes None
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Indicates level of dust ingress protection.
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Bosch PS21N Water Resistance Rating
What is the water resistance rating?
0 Bosch PS21N 0 Votes None
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Indicates protection against water exposure.
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Bosch PS21N Drop Protection
Does it have drop protection?
Yes 0Votes Bosch PS21N
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Indicates whether the tool is designed to withstand accidental drops.
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Bosch PS21N Corrosion Resistance
Is it corrosion resistant?
No 0Votes Bosch PS21N
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Confirms resistance to rust or corrosion.
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Bosch PS21N Shock Resistant Design
Does it have a shock resistant design?
Yes 0Votes Bosch PS21N
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Indicates internal protection against mechanical shock.
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Bosch PS21N Thermal Protection
Does it include thermal protection?
Yes 0Votes Bosch PS21N
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Protects internal components from excessive heat.
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Bosch PS21N Overheat Protection
Does it have overheat protection?
Yes 0Votes Bosch PS21N
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Automatically shuts down tool when overheating is detected.
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Bosch PS21N Sealed Switch Design
Does it have a sealed switch design?
No 0Votes Bosch PS21N
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Prevents dust and debris from entering switch components.
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Bosch PS21N Heavy Duty Rating
Is it rated for heavy-duty use?
No 0Votes Bosch PS21N
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Indicates suitability for heavy-duty jobsite use.
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Bosch PS21N Industrial Use Approval
Is it approved for industrial use?
No 0Votes Bosch PS21N
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Confirms approval for industrial-level operation.
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Dimensions & Weight 6
Bosch PS21N Width
What is the overall width?
2 inch 0Votes
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Bosch PS21N
Width is 2 inch (≈ 5.08 cm), contributing to the tool's compact footprint.
A narrower width often improves one-handed handling and grip comfort.
Measures the overall side-to-side width of the tool body.
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Bosch PS21N Depth
What is the overall depth?
5.6 inch 0Votes
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Bosch PS21N
Depth is 5.6 inch (≈ 14.22 cm), representing the front-to-back dimension of the tool.
Depth affects how well the tool fits into confined spaces and storage compartments.
Measures the front-to-back length of the tool.
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Bosch PS21N Height
What is the overall height?
7 inch 0Votes
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Bosch PS21N
Height is 7 inch (≈ 17.78 cm), a useful dimension to consider for clearance and storage.
Compact height can improve access in tight vertical spaces.
Measures total height from base to top.
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Bosch PS21N Tool Weight
What is the tool weight?
1.4 lbs 0Votes
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Bosch PS21N
Tool weight is 1.4 lbs (about 0.64 kg), making it relatively lightweight for reduced user fatigue.
Lighter tools are easier to use overhead and during extended work periods.
Weight of the bare tool without battery.
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Bosch PS21N Weight With Battery
What is the weight with battery?
1.8 lbs 0Votes
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Bosch PS21N
Weight with battery is 1.8 lbs (≈ 0.82 kg), indicating a lightweight charged configuration.
A lighter loaded weight reduces fatigue during prolonged use and makes the tool easier to maneuver.
Total operational weight including battery.
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Bosch PS21N Compact Design
Is it designed as a compact tool?
Yes 0Votes Bosch PS21N
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Bosch PS21N
Compact design means the tool has a shorter, narrower body for better access in confined spaces.
This improves maneuverability and makes it easier to work in tight spots.
Indicates whether the tool is marketed as compact for tight workspaces.
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Ergonomics & User Comfort 14
Bosch PS21N One Hand Operation
Can it be operated with one hand?
Yes 0Votes Bosch PS21N
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Bosch PS21N
One-hand operation indicates the tool is balanced and compact enough to be used effectively with a single hand.
This is beneficial for overhead work or when the other hand is holding materials in place.
Indicates suitability for single-hand operation.
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Bosch PS21N Handle Design
What is the handle design?
0 Bosch PS21N 0 Votes Pistol Grip
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Describes the structural handle layout.
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Bosch PS21N LED Work Light
Does it include an LED work light?
Yes 0Votes Bosch PS21N
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Confirms presence of built-in LED illumination.
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Bosch PS21N Ergonomic Handle
Does it have an ergonomic handle?
Yes 0Votes Bosch PS21N
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Indicates whether the handle is shaped for ergonomic comfort.
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Bosch PS21N Anti Slip Grip
Does it feature an anti-slip grip?
Yes 0Votes Bosch PS21N
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Confirms the presence of slip-resistant grip surfaces.
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Bosch PS21N Soft Grip
Does it include a soft grip?
Yes 0Votes Bosch PS21N
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Indicates cushioned grip material for comfort.
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Bosch PS21N Vibration Reduction System
Does it have a vibration reduction system?
No 0Votes Bosch PS21N
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