
Festool TID18 HPC
Score: 88/100Fein ASCM 18-4 QM
Score: 92/100Rankings
The Fein ASCM 18 QSW AS is a compact, lightweight 18V brushless cordless drill/driver featuring a 4-speed metal gearbox and the QuickIN interchangeable chuck system. Its primary trade-off is the bare tool configuration, which requires users to purchase batteries separately. It is best suited for professional metalworkers and fabricators who require high-torque, high-speed precision in a compact form.

The Festool 577616 is a professional-grade impact driver and drill set designed for precision and wrist protection in tight spaces. Its main trade-off is a higher price point and weight compared to budget alternatives, which may not suit casual users. It is best suited for professional woodworkers and tradespeople who value precision and ecosystem integration.
| Attribute | ![]() | Fein ASCM 18-4 QM |
|---|---|---|
18 Vbest | 18 Vbest | |
1,593 in-lbsbest | 1,151 in-lbs | |
3,600 RPM | 4,000 RPMbest | |
4 Ahbest | — | |
| ↓ lower better | 4.18 lbs | 2.87 lbsbest |
20best | 16 | |
| ↓ lower better | — | 0.5 hoursbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Fein ASCM 18-4 QM |
|---|---|---|
Chuck & Bits(2) | ||
Chuck Size | 1/2 inch | 1/2 |
Chuck Type | Keyless | QuickIN |
Performance(3) | ||
Max Torque (in-lbs) | 1593 in-lbs | 1151 in-lbs |
Max Speed (RPM) (RPM) | 3600 RPM | 4000 RPM |
Clutch Settings | 20 | 16 |
Features & Accessories(1) | ||
Includes Battery | true | false |
Ergonomics & Design(3) | ||
Weight (lbs) | 4.18 lbs | 2.87 lbs |
Handle Type | Side Grip | Telescopic |
Housing Material | Plastic/Composite | Metal |
Power & Battery(2) | ||
Charge Time (hours) | null hours | 0.5 hours |
Battery Chemistry | Lithium-Ion | Li-ion |

Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the Festool 577616 for its robust build, professional-grade power, and smart features like T-mode and Bluetooth connectivity.
Everyday users and professionals appreciate the smooth, powerful performance and the wrist-saving kickback-free operation.
Professional reviewers and editors consistently praise the Fein ASCM 18 QSW AS as a top-tier tool for metalworking and construction. Experts highlight its 'uncompromising power' and speed, noting that its 4,000 rpm capability outpaces competitors.
Everyday users and YouTube reviewers express high satisfaction with the tool's durability and versatility. Common praise centers on the brushless motor's longevity and the ease of use provided by the interchangeable chuck system.
“kickback-free saves wrists on long jobs”

“compact size shines overhead”

“T-mode finicky on inconsistent materials”

