Best Impact Drivers · head-to-head

M18 FUEL 1/4 in. Hex Impact Driver (Tool Only) vs 18V Brushless Triple Hammer Impact Driver

A sourced, side-by-side comparison. M18 FUEL 1/4 in. Hex Impact Driver (Tool Only) is cheaper at $149. Every spec and price links to its source.

Which is better: the M18 FUEL 1/4 in. Hex Impact Driver (Tool Only) or 18V Brushless Triple Hammer Impact Driver?

They split the 2 specs we compare evenly.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec M18 FUEL 1/4 in. Hex Impact Driver (Tool Only) 18V Brushless Triple Hammer Impact Driver
US price $149 $149
BrandMilwaukeeMetabo HPT
Released2022
Voltage (V) 18 18
Max torque in (lb) 2000 1832
Max (rpm) 3900 2900
Max ipm 4400 4000
Brushless Yes Yes
Speed settings 4 4
Weight (lb) 2.2 2.9

Sources — M18 FUEL 1/4 in. Hex Impact Driver (Tool Only): milwaukeetool.com (verified 2026-06-19). 18V Brushless Triple Hammer Impact Driver: metabo-hpt.com (verified 2026-06-19).

What's the difference between the M18 FUEL 1/4 in. Hex Impact Driver (Tool Only) and 18V Brushless Triple Hammer Impact Driver?

Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.

  • Max torque in (lb): M18 FUEL 1/4 in. Hex Impact Driver (Tool Only) 2000 vs 18V Brushless Triple Hammer Impact Driver 1832
  • Max (rpm): M18 FUEL 1/4 in. Hex Impact Driver (Tool Only) 3900 vs 18V Brushless Triple Hammer Impact Driver 2900
  • Max ipm: M18 FUEL 1/4 in. Hex Impact Driver (Tool Only) 4400 vs 18V Brushless Triple Hammer Impact Driver 4000
  • Weight (lb): M18 FUEL 1/4 in. Hex Impact Driver (Tool Only) 2.2 vs 18V Brushless Triple Hammer Impact Driver 2.9

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

M18 FUEL 1/4 in. Hex Impact Driver (Tool Only)

Only one whitelisted tester, Pro Tool Reviews, yielded a readable hands-on review; TechGearLab was under maintenance and no Popular Mechanics test exists. PTR scored the Gen-4 2953 9.7/10, calling it their best all-around impact driver to date, praising near-top drive speeds, a 4.47-inch compact frame, and a shadow-killing tri-beam LED. No drawbacks flagged. (1 sourced review, 1 lab-tested.)

Praised: Rated best all-around impact driver PTR has tested, with performance consistently near the top of the field (fast measured drive times, e.g. 8.6s RSS-screw average on a 5.0Ah pack); Class-leading compactness at 4.47 inches, 0.12 in shorter than the prior gen while keeping 2.2 lb bare weight; Tri-beam ring LED around the collet eliminates shadows better than trigger-mounted lights, plus one-hand bit insertion.

18V Brushless Triple Hammer Impact Driver

One whitelisted, hands-on tester covers this exact model: Pro Tool Reviews. Its reviewer found the Metabo HPT WH18DBDL2 18V Triple Hammer powerful yet compact, comfortable and well-balanced, and quieter with less vibration than other impact drivers he'd used. He verified a 20-minute charge on the included batteries and roughly 4 hours of heavy-use runtime, and the outlet 'heartily' recommends it. This is a single-source verdict — no second whitelisted lab review of this exact 4-mode 18V model was confirmed. (1 sourced review, 1 lab-tested.)

Praised: Powerful yet compact — the force belies its small size; Comfortable in-hand ergonomics and good balance; Quieter with less vibration than other impact drivers.

Flagged: Belt-hook tether is the reviewer's only real gripe; On-tool battery gauge requires inserting the pack to read charge.

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