Cordless Impact Driver

Cordless impact drivers are powerful handheld tools primarily designed for driving screws and bolts. Unlike cordless drills, they use a rotational hammering mechanism that delivers high torque in short bursts, making them especially effective for long screws, lag bolts, and fasteners in dense materials.

Due to their compact size, high torque output, and reduced kickback, cordless impact drivers are widely used in construction, woodworking, and assembly work.

Proper Use

Please follow these simple guidelines to avoid damage to your screws, material, or the impact driver itself:

• impact drivers do not use a torque clutch like drills; torque is controlled mainly by trigger pressure
• always start slowly and increase speed gradually
• let the tool do the work — excessive pressure does not increase performance
• stop immediately once the screw is fully seated to prevent stripping or snapping
• use impact-rated bits only, regular bits may shatter
• hold the tool straight to avoid cam-out and premature bit wear

Unlike drills, impact drivers are much less likely to twist your wrist when a screw suddenly binds.

Differences to Cordless Drills

Cordless impact drivers differ significantly from cordless drills:

• no adjustable torque ring (clutch)
• much higher torque output
• uses a hex bit holder instead of a chuck
• shorter length and lighter weight
• produces characteristic hammering noise during operation

Impact drivers excel at driving fasteners, while drills are better suited for precision drilling and delicate screw work.

Bits & Bit Holders

• 1/4" hex impact-rated screwdriver bits
• long bits for recessed screws
• magnetic or locking bit holders
• adapters for sockets (hex to square drive)

⚠️ Always use impact-rated bits, as standard bits can break under impact forces.

Torque & Impact Mechanism

An impact driver stores rotational energy in a hammer mechanism. When resistance increases, the hammer strikes an anvil, delivering short, powerful torque impulses.

Advantages of this system:

• very high torque with minimal user effort
• reduced risk of wrist injury
• efficient driving of long or thick fasteners
• less cam-out compared to drills

Typical Applications

• driving long wood screws and structural screws
• fastening deck screws
• installing lag bolts
• assembling framing and timber constructions
• automotive and mechanical fastening (with sockets)

Impact drivers are not ideal for:

• drilling large holes
• delicate or small screws
• applications requiring precise torque limits

Makita DTD173

MachineInfoBox Makita DTD173
Synonyms:	impact wrench, impact driver, impact screwdriver, Akku-Schlagschrauber, Schrauber, Drehschlagschrauber, Schlagbohrschrauber
Type:	Cordless Impact Driver
Material:	wood, metal, concrete, plastic
Used with:	1/4" hex impact-rated screwdriver bits (Phillips, Pozidriv, Torx, Hex) Impact bit holders (standard, magnetic, locking) Socket adapters (1/4" hex to square drive) Impact sockets (with adapter) Nut setters (impact-rated) Long or torsion bits for reduced bi
Location:	Office
Access Requirements:	Drill Introduction
Status:	In Commissioning
Manual:	icmsmakita.eu
Tutors:	Lukas NitramLegov Pakue Lmnl99 Johannes Luzian Keno Sebastian Jakob Erik Mobell

The Makita DTD173 is a compact and powerful 18 V cordless impact driver designed primarily for driving screws and bolts. It features a brushless motor, electronic speed control, and a lightweight housing for reduced user fatigue and excellent handling in confined spaces.

The impact mechanism delivers high torque through rotational hammering, allowing efficient fastening with minimal kickback. Speed and impact force are controlled via the variable-speed trigger and electronic modes.

This tool operates with 18 V LXT batteries and uses a 1/4" hex bit holder for quick, tool-less bit changes.

• No torque clutch is included
• Louder than a standard cordless drill due to impact mechanism

• Should not be used for delicate or fine mechanical work

Key Features

• Brushless motor for high efficiency and long service life
• Variable speed trigger for controlled fastening
• Electronic modes for different applications
• Compact and lightweight design
• Built-in LED work light
• 1/4" hex quick-release bit holder

• Compatible with Makita 18 V LXT battery system

Proper Use

• Designed for driving screws and bolts, not for drilling
• Best used with impact-rated bits and accessories
• Speed and torque are controlled by trigger pressure

• Not suitable for precision torque applications

This tool is not ready for use yet since not all commissioning steps have been completed. The process is also tracked on GitHub. Feel free to contribute to making it usable, any help is very welcome!

Task	comment	Status
Name the tool:	-	Done
Take a picture	-	Done
Find the manual as PDF	https://www.makita.com.hk/upload/product/970/file_en/643cc4c23d38a.pdf https://www.icmsmakita.eu/CMS/custom/fi/attachments/user_manuals/User_manuals_EU2/DTD173.pdf || Done
Documentation	this page, status: in commissioning	Done
Print QR-Code	use the MachineQR Factory	pending
Introduction	Drill Introduction - already updated	pending
Security Check	to be done or witnessed by a manager	pending
Test	to be done or witnessed by a manager	Done
tool's name, owner and approx. value	provide to Johannes for inventorization	Done
Last step: make it available	physically and in the wiki - then delete this template	pending

Accessoirs

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