Greenworks Impact Driver Comparison: Torque, Speed, and Platform Spec Analysis

Best for: Technicians removing specialized tamper resistant fasteners

Pros

• 100-piece comprehensive set
• Includes hard-to-find security bit profiles
• Magnetic holder and socket adapters included
• Universal 1/4-inch hex shank

Cons

• Accessory set only without motor
• Primarily 1-inch short insert bits

The Greenworks Pro 100PC 1″ Impact Security set (model PA51102) addresses the critical interface between driver chucks and non-standard fastener heads. Impact drivers generate extreme kinetic energy that routinely shears standard chrome-vanadium driver bits. This comprehensive accessory set features a 1/4-inch hex shank configuration engineered to fit directly into standard quick-release impact collets, providing a rigid, slip-resistant mechanical lock under continuous torsional stress.

Included in this modular package are specialized bits designed to engage tamper-resistant hardware across architectural, commercial, and electronic installations. The set supplies dedicated configurations for Pozidriv (PZ), square, tamper-resistant star, metric and SAE tamper-resistant hex, spanner, clutch, tri-wing, and TORQ fasteners. Technicians servicing electrical panels, commercial fixtures, or secured machinery can rely on this kit to eliminate fastener stripping and head deformation during high-torque extractions.

Beyond the extensive 95-piece bit assortment, the greenworks pa51102 impact security bit set incorporates essential drive hardware for diverse mechanical setups. It includes a 60mm magnetic bit holder that improves reach in recessed cavities, two specialized bit holders for quick-change operations, and two socket adapters measured at 25mm and 50mm. These adapters permit standard impact drivers to drive 1/4-inch drive mechanics sockets directly, bridging the operational gap between hex screwdriving and socket-based bolt fastening.

• Comprehensive 100-piece impact-rated bit set featuring 95 specialized driver bits
• Covers rare security head designs including spanner, clutch, tri-wing, TORQ, and tamper-resistant hex
• Includes 60mm magnetic bit holder, two supplemental bit holders, and two square socket adapters
• Standard 1/4-inch hex shank provides seamless compatibility across all impact collets and drill chucks

Best for: Mobile tradespeople seeking fast USB-C power

Pros

• Rapid 3,600 RPM motor speed
• Battery functions as 12,000mAh power bank
• Ultra-compact 4.7-inch front-to-back length
• Lightweight 2-pound operating chassis

Cons

• Single battery included in package
• Single mechanical speed setting listed

Best for: Workshop builders needing continuous dual-battery runtime

Pros

• High 1,950 in-lbs torque output
• Includes two 2.0Ah lithium batteries
• 3-speed electronic selector switch
• Supplied with 8-piece bit set

Cons

• Requires proprietary 2A slide dock charger
• Bulkier charger than modern USB-C options

The standard-battery Greenworks 24V Brushless Cordless Impact Driver kit represents a benchmark in dedicated workshop driving performance. Built around an electronically commutated brushless motor, this unit outputs 1,950 in-lbs of rotational force paired with an impact rate of 3,500 impacts per minute (IPM). Rotational velocity peaks at a listed 2,600 to 2,800 RPM, governed by a sensitive variable-speed trigger and an integrated 3-speed selector switch that lets users dial down power for delicate cabinetry or ramp up to full output for heavy structural fasteners.

From an ergonomic standpoint, the chassis is engineered to be 35 percent more compact and 20 percent lighter than equivalent conventional power tools in its category. The front-end housing features a 1/4-inch quick-connect hex collet for one-handed bit insertions, flanked by an integrated forward-facing LED work light that illuminates recessed workpieces. For tradespeople comparing multi-brand motor profiles, our site benchmarks platform metrics in our kobalt impact drill analysis, revealing how Greenworks 24V direct-current systems maintain sustained rotational momentum under prolonged strain.

This full greenworks 24v impact driver kit includes two 2.0Ah lithium-ion battery packs, a dedicated 2A dock charger, an 8-piece drill and driver bit set, a reversible belt clip, and a durable fabric tool bag. The 24V slide-on battery platform delivers up to 20 percent more power and 35 percent more runtime than standard 18V and 20V battery architectures without exhibiting battery memory loss during partial discharge cycles. The dual-pack inclusion ensures continuous productivity, allowing one battery to recharge while the other powers demanding driving tasks.

• Brushless motor delivers 1,950 in-lb of torque with up to 2,800 RPM and 3,500 IPM
• Integrated 3-speed electronic selector switch and sensitive variable-speed trigger
• Supplied with two 2.0Ah lithium-ion batteries and a dedicated 2A workshop dock charger
• Quick-release 1/4-inch hex collet, integrated LED lighting, and 3-year limited warranty coverage

Refining mobile utility, this iteration of the Greenworks 24V Brushless Cordless Impact Driver combines high mechanical output with portable consumer electronic charging architecture. Producing 1,900 in-lbs of rotational torque, this model increases rotational velocity up to a rapid 3,600 RPM with an impact frequency rated between 3,800 and 4,500 IPM. These greenworks impact driver torque specs make the unit remarkably adept at driving 4-inch lag screws through dense dimensional lumber in mere seconds.

Measuring just 4.7 inches from front collet to rear housing and weighing approximately 2 pounds, this ultra-compact profile fits comfortably into narrow stud bays, crawlspaces, and vehicle engine compartments. The 1/4-inch quick-release hex collet provides instant, tool-free bit changes, while the front-mounted LED light casts clear illumination across shadowed work areas. The balanced ergonomic grip reduces forearm strain during repetitive overhead framing or drywall installations.

The distinctive feature of this greenworks usb-c battery impact driver configuration is its included 2.0Ah PowerAll battery pack. Operating both as an industrial tool power source and a 12,000mAh bi-directional USB-C power bank, the battery accepts up to 30W input for rapid recharging while offering fast-charging outputs capable of powering smartphones and tablets. The kit includes a 30W USB-C wall adapter, a 3-foot braided cable, and a 10-piece double-sided impact bit set, eliminating the need to haul bulky, proprietary battery cradles into the field.

• High-velocity brushless motor achieving 1,900 in-lbs torque, 3,600 RPM, and up to 4,500 IPM
• Ultra-short 4.7-inch tool head weighing 2 pounds for access into confined installations
• 2.0Ah battery doubles as a 12,000mAh mobile power bank supporting 30W USB-C fast charging
• Supplied with 30W wall block, heavy-duty braided cable, and 10-piece double-sided bit selection

Best for: Contractors needing high-power drilling and driving

Pros

• Includes both drill and impact driver
• 65W 3-port fast charger included
• Two dual-purpose 12,000mAh USB-C batteries
• Rugged hard-shell carrying case

Cons

• Higher total combo package weight
• Drill driver chuck limited to 1/2 inch

The Greenworks 24V Cordless Brushless 400 in-lbs combo kit pairs a dedicated high-torque impact driver with a versatile 1/2-inch drill driver to create a comprehensive drilling and fastening solution. The included 1/4-inch impact driver delivers 1,950 in-lbs of torque and a maximum no-load speed of 3,400 RPM for heavy structural driving. The companion 1/2-inch drill driver features a heavy-duty keyless chuck, 400 in-lbs of drilling torque, an 18+1 position mechanical clutch, and a 2-speed gear transmission operating at 0-450 RPM for hole saws and 0-2,000 RPM for high-speed twist drilling.

For workshop operators looking to consolidate charging infrastructure, this greenworks drill and impact driver combo utilizes advanced USB-C power electronics. The kit is supplied with two 2.0Ah USB-C batteries that feature integrated 12,000mAh power bank functionality. Charging is managed by an industrial-grade 65W 3-port USB-C fast charger capable of simultaneously powering the tool batteries or running modern USB-C laptops, tablets, and mobile devices directly from the jobsite bench.

Weighing 4.7 pounds across the tool pairing, the kit delivers high operational comfort with ergonomic rubberized handles and integrated LED lighting on both chassis. In our comparative evaluations of dual-tool setups, such as our de walt drill and impact platform guide, having dedicated drilling and driving tools side by side saves significant assembly time by eliminating continuous bit swaps. This package includes two 3.3-foot braided USB cables, two drill bits, two driver bits, and a sturdy hard-shell storage case.

• Dual-tool brushless kit combining a 1,950 in-lb impact driver with a 400 in-lb 1/2-inch drill driver
• Drill driver features a 2-speed gearbox (0-450 / 0-2,000 RPM) and 18+1 adjustable clutch settings
• Supplied with two 2.0Ah USB-C batteries functioning as 12,000mAh mobile device power banks
• Includes heavy-duty 65W 3-port multi-device fast charger, charging cables, and hard carrying case

Best for: Homeowners wanting an all-around workshop combo

Pros

• Two-tool kit covers drilling and driving
• Supplied with two 2.0Ah batteries
• 18+1 clutch settings on drill driver
• Efficient brushless motor platform

Cons

• Drill torque limited to 310 in-lbs
• Uses conventional dock charging architecture

Targeted at users seeking professional-grade performance with classic workshop charging hardware, the Greenworks 24V MAX Cordless Brushless Drill combo kit (model DDG401) supplies two primary workshop tools in a unified package. The 1/4-inch hex impact driver outputs 1,950 in-lbs of rotational torque (with the included component list noting 1,800 in-lbs), spinning up to 2,800 RPM with 3,500 IPM. This impact force drives structural lag screws and anchors without transferring reactive rotational torque into the operator’s wrist.

The companion tool in this setup is a 1/2-inch keyless chuck drill driver producing 310 in-lbs (35 Nm) of maximum torque. Equipped with an 18+1 position clutch ring, the drill enables precise depth setting when driving countersink screws into soft pine, MDF, or drywall. Its 2-speed mechanical gearbox shifts seamlessly between low-speed high-torque operation (0-380 RPM) for large-diameter drilling and high-speed operation (0-1,450 RPM) for rapid pilot hole creation.

This greenworks 24v brushless cordless impact driver combo relies on traditional slide-style 24V 2.0Ah lithium-ion batteries coupled with a standard 2A plug-in dock charger. Both tools incorporate high-efficiency brushless motors that run noticeably cooler than legacy brushed counterparts, extending operational runtime and overall motor lifespan. The full kit includes two 2.0Ah battery packs, two dual-head screwdriver bits, a durable fabric tool bag, and carries Greenworks’ 3-year limited warranty.

• Complete brushless motor combo containing a 1/4-inch hex impact driver and a 1/2-inch drill driver
• Impact driver delivers up to 1,950 in-lbs of torque, 2,800 RPM, and 3,500 IPM impact frequency
• Drill driver features 310 in-lbs torque, 18+1 clutch settings, and 2-speed transmission (0-380 / 0-1,450 RPM)
• Includes two 24V 2.0Ah slide-on lithium batteries, 2A standard dock charger, and soft tool storage bag

Best for: Automotive mechanics fastening chassis bolts and nuts

Pros

• Direct 3/8-inch anvil with friction ring
• 150 ft-lbs high mechanical torque
• Ultra-light 2-pound compact body
• Durable powder-coated metal gear casing

Cons

• Cannot drive standard 1/4-inch screwdriver bits
• Single battery included in box

Departing from hex-shank screwdriving collets, the Greenworks 24V 3 8″ Brushless Cordless impact wrench (model PA147K) is engineered specifically for mechanical fasteners, automotive chassis assembly, and equipment maintenance. Instead of a 1/4-inch quick-release sleeve, this tool utilizes a heavy-duty 3/8-inch square anvil fitted with a friction ring (hog ring). This anvil configuration ensures secure retention of mechanics sockets while allowing rapid, manual socket changes without auxiliary retaining pins.

The greenworks 24v cordless impact wrench utilizes an efficient brushless motor generating 150 ft-lbs of torque (equivalent to 1,800 in-lbs). Its variable-speed trigger permits finely metered throttle control across a 0 to 2,400 RPM operating band. The tool delivers the sudden, jarring rotational impacts needed to break free rusted suspension bolts, machine nuts, and lawnmower blade brackets that would otherwise stall or damage a standard drill driver.

Weighing only 2 pounds and engineered with an ultra-compact chassis that is 25 percent smaller and 20 percent lighter than prior models, this tool excels in cramped vehicle wheel wells and tight engine bays. Greenworks finishes the tool with a durable powder-coated green metal gear housing and an ergonomic, non-slip comfort grip. The package arrives complete with one 24V 2.0Ah lithium-ion battery pack and a compact workshop charger, making it immediately deployable for automotive service.

• Heavy-duty 3/8-inch square drive anvil with friction ring for rapid, secure socket retention
• Brushless motor produces 150 ft-lbs of fastening torque with variable speeds from 0 to 2,400 RPM
• Compact 2-pound chassis engineered for maneuverability in tight automotive and machinery spaces
• Includes one 24V 2.0Ah lithium-ion battery pack and dedicated compact charger