The DEWALT DWMT74741 10-piece impact driver accessory set displayed in front of its locking storage case, showing extensions, adapters, and universal joints.
Marketing graphic for the DEWALT impact accessory kit stating it includes five 3/8-inch drive specialty tools and five 1/2-inch drive specialty tools.
Top view of the closed DEWALT Toughbox case for the 10-piece impact accessory set featuring icons for impact readiness and interlocking tool sets.
Retail packaging for the DEWALT 10-piece impact accessory set showcasing the 3/8 and 1/2-inch drive components and the lifetime warranty.
The back of the DEWALT retail package listing the full contents of the 10-piece impact accessory set including drill adapters and universal joints.
The DEWALT DWMT74741 10-piece impact driver accessory set displayed in front of its locking storage case, showing extensions, adapters, and universal joints.
DEWALT® FLEXVOLT® The Power of Freedom: Highway promotional video
The DEWALT DWMT74741 10-piece impact driver accessory set displayed in front of its locking storage case, showing extensions, adapters, and universal joints.
Marketing graphic for the DEWALT impact accessory kit stating it includes five 3/8-inch drive specialty tools and five 1/2-inch drive specialty tools.
Top view of the closed DEWALT Toughbox case for the 10-piece impact accessory set featuring icons for impact readiness and interlocking tool sets.
Retail packaging for the DEWALT 10-piece impact accessory set showcasing the 3/8 and 1/2-inch drive components and the lifetime warranty.
The back of the DEWALT retail package listing the full contents of the 10-piece impact accessory set including drill adapters and universal joints.
The DEWALT DWMT74741 10-piece impact driver accessory set displayed in front of its locking storage case, showing extensions, adapters, and universal joints.
DEWALT® FLEXVOLT® The Power of Freedom: Highway promotional video
DEWALT

DEWALT Impact Accessory Set DWMT74741 3/8 1/2 Inch Drive Extensions (10 Piece Universal Joints Adapters DirectTorque Black Oxide Mechanics Case)

In stock
SKU: DWMT74741
$34.95 USD

Description

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DEWALT DWMT74741 10-Piece 3/8" & 1/2" Drive Impact Accessory Set

The DEWALT DWMT74741 10-piece impact accessory set provides essential reach, angular articulation, and drive-size conversion across 3/8-inch and 1/2-inch cordless impact wrenches and high-torque drivers. Heat-treated from impact-rated alloy steel with a protective black oxide finish, this professional drive collection features DirectTorque Technology to maximize flat surface contact and prevent hardware rounding under extreme mechanical loads. Containing 2-inch to 10-inch impact extension bars, flexible pinless universal joints, step-up/step-down drive adapters, and a 1/4-inch hex to 3/8-inch socket adapter, this comprehensive set is housed in an interlocking stackable case with a removable organizing tray for heavy equipment repair and automotive shop maintenance.

Best Used For:

  • Automotive Suspension and Drivetrain Repair: Navigating recessed control arm bolts, strut mounts, and bellhousing fasteners at awkward angles using 1/2-inch extensions and swivel universal joints.
  • High-Torque Drive Size Conversion: Adapting 3/8-inch impact sockets to 1/2-inch anvils or converting 1/4-inch hex impact drivers to run 3/8-inch sockets on assembly lines.
  • Industrial Machinery Maintenance: Reaching deep into enclosed pump housings, motor frames, and structural machinery bases with extended 10-inch impact bars without torque loss.

Key Performance & Safety Features

  • DirectTorque Technology: Optimizes contact across fastener flats to eliminate corner stripping and allow application of high breakaway torque.
  • Impact-Rated Alloy Steel: Drop-forged and precision heat-treated to withstand extreme concussive pneumatic and cordless impact wrench shocks.
  • Full 360-Degree Swivel Universal Joints: Delivers multi-axis angular deflection to access fasteners hidden behind structural brackets and plumbing runs.
  • Industrial Black Oxide Protective Plating: Shields steel substrates against motor oil, hydraulic fluids, shop chemicals, and ambient jobsite rust.
  • High-Visibility Laser-Etched Markings: Permanent, clear size callouts allow rapid tool identification and inventory checks in dimly lit shop bays.
  • Interlocking Stackable Case: Shatter-resistant case with removable inner storage tray latches securely into existing modular DEWALT storage cases.

What's Included

  • (1) 3/8" Drive 3" Impact Extension Bar
  • (1) 3/8" Drive 6" Impact Extension Bar
  • (1) 3/8" Drive Impact Universal Joint
  • (1) 3/8" Female to 1/2" Male Impact Drive Adapter
  • (1) 1/2" Drive 2" Impact Extension Bar
  • (1) 1/2" Drive 5" Impact Extension Bar
  • (1) 1/2" Drive 10" Impact Extension Bar
  • (1) 1/2" Drive Impact Universal Joint
  • (1) 1/2" Female to 3/8" Male Impact Drive Adapter
  • (1) 1/4" Hex Shank to 3/8" Square Drive Socket Adapter
  • (1) Interlocking Shatter-Resistant Storage Case with Removable Tray

Technical Specifications

Manufacturer DEWALT Industrial Tool Co.
Model Number DWMT74741
Product Category 10-Piece Impact Drive Accessory Set
Total Piece Count 10 Drive Pieces + 1 Storage Case (11 Pieces Total)
Primary Drive Tang Sizes 3/8 Inch & 1/2 Inch Square Drive (Plus 1/4 Inch Hex)
Included Extension Lengths 3/8" Drive (3", 6") / 1/2" Drive (2", 5", 10")
Drive Conversion Adapters 3/8"F to 1/2"M, 1/2"F to 3/8"M, 1/4" Hex to 3/8"M
Material Composition Drop-Forged Heat-Treated Impact-Rated Alloy Steel
Protective Surface Plating Industrial Corrosion-Resistant Black Oxide Finish
Internal Fastener Engagement DirectTorque Anti-Rounding Geometry
Size Identification Style High-Visibility Permanent Laser-Etched Markings
Storage Case Architecture Shatter-Resistant Interlocking Case with Removable Tray

Pro-Tip: Use the 1/4-inch hex to 3/8-inch drive adapter to run compact 3/8-inch impact sockets directly on your cordless driver for quick mechanical run-downs without grabbing a bulky 1/2-inch impact wrench.