Makita Impact Wrench GWT08Z 40V Max XGT 1/2 Inch Brushless Mid Torque Bare Tool (810 Ft-Lbs Nut Busting 560 Fastening Detent Anvil 4 Speed)
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Makita GWT08Z 40V Max XGT Brushless Cordless 1/2 Inch Mid-Torque Impact Wrench Bare Tool
The Makita GWT08Z 40V Max XGT Brushless Cordless 1/2-Inch Mid-Torque Impact Wrench operates as a heavy-duty automotive and structural fastening power tool engineered to break loose seized suspension bolts, run down timber lag screws, and torque wheel lug nuts. Driven by a digital brushless motor delivering 810 ft-lbs of nut-busting torque and 560 ft-lbs of maximum fastening torque, this 40V impact wrench features a 1/2-inch square drive with a detent pin anvil, an electronic 4-speed selection switch (up to 2,300 RPM and 2,900 IPM), and a net tool weight of 6.0 pounds with battery. Built with 3 forward and 3 reverse auto-stop rotation modes, XPT dust and moisture resistance, and an ultra-compact 6-11/16 inch head length, this cordless wrench accesses tight steering knuckles and equipment nodes.
**Battery and charger sold separately.**
Best Used For:
- Automotive Suspension & Undercarriage Service: Busting loose rusted ball joints, control arms, and rusted lug nuts using 810 ft-lbs of breakaway nut-busting torque.
- Structural Steel Bolting & Timber Framing: Fastening structural steel plates and driving heavy timber lag bolts with 560 ft-lbs of maximum fastening torque.
- Restricted Access Mechanical Nodes: Maneuvering into narrow wheel wells, subframes, and machinery chases using the short 6-11/16 inch body length.
Key Performance & Safety Features
- 810 Ft-Lbs Breakaway Nut-Busting Torque: High-output brushless motor generates massive reverse force to cleanly break loose frozen bolts and stubborn hardware.
- 4-Speed Electronic Selection Switch: Digital power selector adjusts speeds up to 2,300 RPM and 2,900 IPM to prevent over-tightening small fasteners.
- Forward & Reverse Auto-Stop Rotation Modes: Features 3 forward and 3 reverse auto-stop settings that cut power or slow rotation once friction breaks to prevent dropped nuts.
- Extreme Protection Technology (XPT): Internal protective seals channel water droplets and jobsite dust away from sensitive motor electronics.
- Ultra-Compact 6-11/16 Inch Length: Short head profile slips easily between tight engine mounts, suspension links, and framing studs.
- Flexible Vibration-Isolating Battery Joint: Rubberized battery connection dampens impact vibration to protect terminal contacts from mechanical stress.
What's Included
- (1) Makita GWT08Z 40V Max XGT Mid-Torque 1/2" Impact Wrench (Bare Tool)
Technical Specifications
| Brand Manufacturer | Makita |
| Model Designation OEM SKU | GWT08Z |
| System Power Platform | 40V Max XGT® Lithium-Ion System |
| Motor Engineering Core | Makita-Built Brushless Motor |
| Anvil Drive Type & Size | 1/2 in. Square Drive with Detent Pin Retainer |
| Max Nut-Busting Breakaway Torque | 810 ft.-lbs. (1,098 Nm) |
| Max Fastening Torque Capacity | 560 ft.-lbs. (760 Nm) |
| No-Load Rotation Speed Range | 0 - 600 / 1,200 / 1,900 / 2,300 RPM |
| Impacts Per Minute Rate (IPM) | 0 - 1,200 / 1,900 / 2,700 / 2,900 IPM |
| Auto-Stop Control Modes | 3 Forward Modes / 3 Reverse Modes |
| Environmental Protection Rating | Extreme Protection Technology (XPT™ Dust/Water Resistant) |
| Overall Body Head Length | 6.6875 in. (6-11/16 in. / 170 mm) |
| Tool Structural Dimensions | 6.68 in. L x 3.37 in. W x 9.25 in. H |
| Net Tool Weight with Battery | 6.0 lbs. (2.72 kg) |
| Global UPC Barcode | 088381-741835 |
| Manufacturer Warranty Coverage | 3-Year Limited Manufacturer Warranty |
Pro-Tip: When backing off lug nuts or subframe bolts in tight wheel wells, engage one of the 3 reverse Auto-Stop modes. The GWT08Z will deliver full 810 ft-lbs breakaway torque to break friction, then instantly shut off or slow down, preventing loose nuts from spinning off the detent anvil and dropping into dark shop drain grates.
