Fein ASCM 18-4 QM
Score: 92/100
Worx 20V Cordless Drill 445 in
Score: 82/100Rankings
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 Worx Nitro 20V Brushless Switchdriver 2.0 is a compact, lightweight cordless drill/driver featuring a unique dual rotating 1/4-inch chuck system for rapid bit switching. It delivers 445 in·lb of torque via a brushless motor, offering pro-level performance in a slim design optimized for tight spaces. It is ideal for furniture assembly and cabinetry work where bulk is an issue.
| Attribute | Fein ASCM 18-4 QM | |
|---|---|---|
18 V | 20 Vbest | |
1,151 in-lbsbest | 445 in-lbs | |
4,000 RPMbest | 1,700 RPM | |
| ↓ lower better | 2.87 lbs | 2.79 lbsbest |
16best | 9 | |
| ↓ 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 | 1/4 |
Chuck Type | QuickIN | Dual Rotating |
Performance(4) | ||
Max Torque (in-lbs) | 1151 in-lbs | 445 in-lbs |
Max Speed (RPM) (RPM) | 4000 RPM | 1700 RPM |
Clutch Settings | 16 | 9 |
Speed Settings | 4-Speed | 2 |
Features & Accessories(2) | ||
Includes Battery | false | true |
Includes Drill Bits | false | true |
Ergonomics & Design(3) | ||
Weight (lbs) | 2.87 lbs | 2.79 lbs |
Handle Type | Telescopic | Rubberized |
Housing Material | Metal | null |
Power & Battery(2) | ||
Voltage (V) | 18 V | 20 V |
Battery Chemistry | Li-ion | null |
Products in the top-left offer the best value (high score, low price).
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.
Professional reviewers praise the Worx Switchdriver 2.0 for its innovative compact power and unique dual-chuck design. Experts highlight that it offers no performance loss despite its significantly smaller size, making it an excellent replacement for bulkier drills in specific scenarios.
Everyday users appreciate the convenience, power, and ease of use for DIY tasks, particularly praising the quick bit changes and comfortable grip. Common themes include satisfaction with its ability to handle furniture assembly and cabinetry work in tight spaces.
“years of performance”
“interchangeable chuck for driving ease”
