Description

Key Features

Brushless Power

The EC-TEC brushless motor and robust hammer mechanism are built for repeated fastening work without giving up speed or runtime. That matters when you are driving long structural screws or working through a full day of installs.

Smart Fastening Control

Three speed levels plus T-mode let the impact driver match the fastener and material. T-mode is especially useful for self-tapping screws because it adapts as the screw moves from sheet metal into wood.

Easy on the Wrist

The kickback-free tangential hammer mechanism drives the fastener instead of trying to twist the tool out of your hand. Add the compact body and low weight, and it is a lot easier to use overhead or in tight framing bays.

Overview

Festool 577614 TID 18 Cordless 18V Impact Driver PLUS 4.0Ah Kit is a cordless fastening kit built for tradespeople who need strong driving power in a compact, easy-to-control tool. This is a cordless impact driver designed for driving screws and self-tapping fasteners in wood and sheet metal. Model Number: 577614. If you spend your day installing hardware, running structural screws, fastening sheet goods, or working overhead, this setup gives you the tool, batteries, charger, and Systainer storage in one package.

The numbers here matter because they translate directly to how the tool feels on the job. The 18V platform, three-speed gearbox, and maximum torque of 1,593.18 in-lbs give this impact driver the muscle for demanding fastening without making it oversized. No-load speed ranges from 0 to 1,200 RPM in first gear, 0 to 2,000 RPM in second, and 0 to 3,200 RPM in third, so you can back off for controlled starts or step up for faster driving when the material allows it. With up to 4,500 impacts per minute, it is built to keep driving when standard drills start fighting the fastener.

One of the more useful details on this Festool impact driver is T-mode. Instead of treating every fastener the same, T-mode is specifically intended for self-tapping screws and adapts as the screw transitions between materials like sheet metal and wood. In real use, that means less guesswork and better control when you need the fastener to seat cleanly without stripping out or snapping. For installers and metal-to-wood fastening work, that is not a gimmick. It saves time and reduces rework.

Festool also built this tool around user control, not just raw output. The kickback-free tangential hammer mechanism is a big part of that. Rather than transferring the same kind of twisting force back into your wrist that you get from a drill driver, it focuses the force into the fastener. If you have ever driven long screws in awkward positions or worked overhead for a few hours, you already know why that matters. Less wrist strain usually means cleaner work and less fatigue by the end of the day.

The design is clearly aimed at tight spaces and long work sessions. Festool calls out the compact body, ergonomic shape, and low machine weight of 1.98 lbs, with highlighted copy also noting about 2.12 lbs depending on configuration. Either way, the point is the same: this is a lightweight impact driver that stays manageable when you are reaching into corners, working inside framing, or fastening above shoulder height. The tool-free 1/4 inch holder makes bit changes quick, while the integrated bit storage and belt clip keep the basics right on the tool.

Jobsite practicality is covered well for a compact driver. The integrated LED helps light up the fastening point when you are inside cabinets, under framing, or working in unfinished spaces. The belt clip can be attached on both sides, which is a small detail that actually matters when you switch hands or want the tool to ride a certain way on your belt. Festool also packs the kit in a Systainer, so storage, transport, and stacking with other Festool gear stay organized instead of turning into a pile of loose chargers and batteries in the truck.

Battery system compatibility is another strong point. This kit includes two 4.0 Ah HighPower battery packs and a TCL 6 rapid charger, giving you a ready-to-work setup out of the box. Festool also notes that the tool works within its flexible 18V battery system, and that users who want even less weight for lighter screwdriving can opt for the 3.1 Ah Compact battery pack. If you already run Festool cordless tools, that matters because the TID 18 fits into the broader 18V platform instead of living as a one-off purchase.

Who is this for? Carpenters, remodelers, installers, punch-list crews, sheet metal workers, and serious DIY users who want a premium impact driver that is compact, controlled, and ready for repeated fastening work. If your priority is brute size, there are bigger tools out there. If your priority is getting strong fastening performance with less wrist strain, better handling, and real system support, this one makes a lot of sense.

Fastening Power for Framing and Structural Work

This setup is built for real fastening work, not just light assembly. When you are driving long screws into framing lumber or fastening overhead, the combination of high torque, fast impact rate, and compact handling makes the job move faster without feeling like you are wrestling the tool.

• Maximum torque: 1,593.18 in-lbs (180 Nm)
• Up to 4,500 impacts per minute for repeated driving performance

Better Control in Tight Spaces

The compact body is the real advantage when you are up in framing, inside corners, or working where a larger driver gets awkward. Add the low weight and wrist-friendly hammer mechanism, and it is easier to stay accurate over a long run of screws.

• Compact ergonomic design for hard-to-reach fastening points
• Machine weight listed at 1.98 lbs (0.9 kg)

Why the Festool 577614 TID 18 Cordless 18V Impact Driver PLUS 4.0Ah Kit Feels Smarter on the Job

The extra mode settings are not just there to look good on a spec sheet. Three speed levels help match the tool to the fastener, and T-mode is there for self-tapping screws where material transition can throw off a normal driver.

• Three gear settings: 0-1,200 / 0-2,000 / 0-3,200 RPM
• T-mode automatically adapts for self-tapping screw applications

What’s in the Box

• (1) TID 18 Impact Driver
• (2) HighPower Battery Pack BP 18 Li 4,0 HPC-ASI, 18V 4.0Ah
• (1) TCL 6 Rapid Charger
• (1) Belt Clip
• (1) Systainer3 SYS3 DF M 187

Key Specifications

Voltage (V)	18 V
Battery Capacity (Ah)	4.0 Ah
Gears	3 + T-Mode
No-Load Speed (RPM)	0 – 1200 / 0 – 2000 / 0 – 3200 RPM
Impact Rate (IPM)	4,500 IPM
Tool Holder	1/4 in
Max Torque	1,593.18 in-lbs (180 Nm)
Weight (lbs)	1.98 lbs (0.9 kg)

Compatibility

Battery Platform

Works on the Festool 18V cordless system. This kit includes two 4.0 Ah HighPower battery packs, and Festool also references optional use of the 3.1 Ah Compact battery pack for lighter screwdriving work.

Bit Interface

Uses a tool-free 1/4 in holder for quick bit changes, making it suitable for standard 1/4 in impact driver bits.

Storage System

Packed in a Festool Systainer3, so it integrates into the Festool storage and transport system.

Built For

CarpentryConstructionGeneral ContractingRemodelingWood FramingSelf-Tapping ScrewsOverhead FasteningTight-Space Install Work

Pro Tip

Use T-mode when you are running self-tapping screws through metal into wood. It is there to help the tool respond to the change in material so you get cleaner seating and less chance of overdriving once the screw breaks through.

Tool Nut’s Take

Tool Nut’s Take

Compact, strong, and easier to control than most guys expect

The Festool 577614 TID 18 Cordless 18V Impact Driver PLUS 4.0Ah Kit is the kind of premium impact driver that earns its keep if you drive fasteners all day and care just as much about control as raw power.

• Who it’s for: Pros and serious DIY users doing framing, remodeling, install work, and repeated screwdriving in wood or mixed materials.
• Why it stands out: The brushless motor, kickback-free hammer mechanism, and T-mode make it feel more refined than a lot of compact impact drivers in this class.
• Worth knowing: This is a fastening-focused tool with a 1/4 in holder, not a drill driver. If you want one tool to drill holes all day, look elsewhere. If you want a driver that stays compact and hits hard, this one is a very strong pick.

Common Questions

• Is this a drill driver or an impact driver? It is an impact driver with a 1/4 in tool holder, built for driving screws and fasteners rather than standard drill chuck duties.
• Does it have multiple speed settings? Yes. It has three speed levels plus T-mode for self-tapping screws.
• What is the maximum torque? Festool lists maximum torque at 1,593.18 in-lbs, which is 180 Nm.
• Is this part of the Festool 18V cordless system? Yes. It is an 18V battery-powered tool and Festool notes compatibility with its broader 18V battery setup.