Metabo HPT 18V Triple Hammer BOLT Impact Driver Kit (WH18DC, 2.0Ah battery)

Metabo HPT 18V Triple Hammer BOLT Impact Driver Kit (WH18DC, 2.0Ah battery)

By Metabo HPT · Impact Drivers · Power Tools

  • Up to 1,859 in-lbs of torque, 0-3,700 RPM, 0-4,000 BPM
  • Triple Hammer technology with three anvils for faster driving and less vibration
  • Triple LED light for superior visibility
  • Compact 4-1/2 in. head, weighs 2.0 lbs

Lowest price seen
$199.00
from $199.00 at toolorbit · Checked Oct 9, 2026

Prices are snapshots. Check the current price with the store.

Summary

A compact 18V brushless impact driver built around Metabo HPT’s three-anvil Triple Hammer design, sold as a kit with two batteries, a charger and a case. Check the torque figure before you buy: it is fast and short, but several flagship rivals out-muscle it.

Strengths

  • Fast driving speeds from the three-anvil design, confirmed in hands-on testing.
  • Short 4.5-inch head and 2.0 lb bare weight suit tight-access work.
  • Five-mode control with Bolt, Bolt Single and Self-Drilling Screw assist modes.
  • IP56 rating covers dust and powerful water jets.
  • Lifetime tool-body warranty backs the tool.
  • Accepts both 18V and 18V/36V MultiVolt batteries.

Weaknesses

  • Rivals offer higher torque, the one downside the reviewer named.
  • The kit ships with compact 2.0Ah batteries, so heavier packs cost extra.
  • Exact-model owner discussion and long-term failure data are thin.
  • No instrumented torque measurements have been published.
  • 18V and 36V MultiVolt battery systems are not interchangeable.

Verified specifications

ModelWH18DC kit; the tool-body-only variant is WH18DCQ4.
Voltage18V, Lithium Ion slide-type battery.
Torqueup to 1,859 in-lbs.
No-load speed0-3,700 RPM.
Impact rate0-4,000 IPM/BPM.
Chuck1/4" hex.
Motorbrushless.
Weight2.0 lbs bare; 2.7 lbs with a 2.0Ah battery.
Head length4.5 in (114 mm).
IP ratingIP56, dust and water resistant (main unit only, with a battery fitted).
Modes5 (Soft, Bolt, Bolt Single, Power, Self-Drilling Screw).
Per-mode RPMSoft 900, Bolt/Bolt Single 2900, Power 3400, Self-Drilling Screw 3700.
Battery compatibilityMetabo HPT 18V and 18V/36V MultiVolt batteries.
Tool body warrantylifetime (Lithium-Ion).
Battery warranty2-year.
Charger warranty1-year.
Return policy30-day no-question return.
Capacitysmall screw 4-10 mm, ordinary bolt 5-18 mm, high-tension bolt 5-14 mm, self-drilling screw 3.5-6 mm, drive 6.35 mm.
Kit includestwo 18V 2.0Ah Li-ion batteries with fuel gauge (BSL1820M / 377797M), rapid charger UC18YFSL and storage case 370700.
Full research notes and sources

Triple Hammer design and modes

The Triple Hammer name refers to three anvils, not hammers. Where most impact drivers spin two hammers to strike the anvil, Metabo HPT’s design uses three, giving three strikes per rotation. Pro Tool Reviews confirmed the mechanism and found it “really does work to increase driving speeds.” The tool turns that into up to 1,859 in-lbs of torque at 0-3,700 RPM and 0-4,000 BPM.

The five-mode system adds three assist modes beyond Soft and Power. Bolt Single impacts for about a second and shuts off to avoid overtightening, and Self-Drilling Screw starts slow, ramps up, then slows as the screw tightens so it does not snap. Metabo HPT does not publish per-mode RPM, but Pro Tool Reviews documented Soft at 900, Bolt and Bolt Single at 2900, Power at 3400 and Self-Drilling Screw at 3700. Power mode is the one for maximum torque; Self-Drilling Screw is the fastest.

Size, weight and battery

At 4.5 inches long and 2.0 lbs bare, the WH18DC sits among the shortest pro-grade impact drivers, and Pro Tool Reviews placed it in the top tier of premium professional models. Working weight with a 2.0Ah compact battery is 2.7 lbs, and the tool is IP56 rated, meaning dust cannot enter at a level that affects function and it withstands powerful water jets from any angle for 3 minutes.

The kit includes two 18V 2.0Ah batteries, the UC18YFSL rapid charger and a case. The tool accepts any Metabo HPT 18V or 18V/36V MultiVolt battery, so 3.0Ah, 4.0Ah, 5.0Ah and 8.0Ah packs sold separately all fit. The 18V/36V AC adapter is not compatible with 18V tools, and the two battery platforms do not interchange.

Warranty, service and running costs

Metabo HPT backs the tool body with a lifetime warranty, the batteries for 2 years and the charger for 1 year, and the purchase carries a 30-day no-question return. A factory service portal handles repairs, and a downloadable owners manual and parts list exist for the WH18DC and WH18DCQ4. The brushless motor is described as needing essentially no maintenance. Beyond the kit, the recurring costs are more batteries (BSL1820M 2.0Ah, BSL1830C 3.0Ah, BSL1840M 4.0Ah, or MultiVolt 5.0Ah and 8.0Ah packs), a replacement charger if lost, and driver bits.

Which model this is

This page covers the WH18DC kit, and the tool-body-only version is WH18DCQ4; retailers sometimes use WH18DCM as the SKU. The same tool sells under the HiKOKI brand, the Metabo HPT parent company, with regional accessory differences. Don’t merge it with the earlier WH18DBDL2/DBDL2C models or the 36V MultiVolt Triple Hammer variant, which shares the head length and weight but produces 1,903 in-lbs and runs on the separate 36V system.

The US Amazon listing for this model is ASIN B0BPPYJNQ8.

Is it worth it?

Pro Tool Reviews scored the WH18DC 9.5/10 in October 2023, listed the bare tool at $129 and the two-battery kit at $179, and called the kit the standout value among pro-grade models. burns-tools listed the WH18DCM SKU at $199, and the 36V MultiVolt kit is a separate comparison at $299. Up to $150 the kit is a strong pro-grade buy; $151-190 stays fair if you value the compact head, Bolt mode or MultiVolt system, where higher-torque DeWalt, Milwaukee and Makita flagships become direct alternatives; $191-220 is weak-to-fair unless you are already on the Metabo HPT 18V platform or need the 4.5-inch head; above $220 it is hard to justify against flagship rivals unless a specific compatibility requirement applies. The lifetime warranty and IP56 rating are the fallbacks when the torque deficit matters.

Sources

Manufacturer:

Independent reviews:

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