An overhead view of the 28-piece KNECT deep-well impact socket set organized in its orange case, showcasing SAE and metric sockets with color-coded rings, two extension shafts, and drive adapters.
A component breakdown image titled What’s Included, displaying 11 SAE sockets, 13 metric sockets, a square drive adapter, a 1/4-inch impact adapter, 3-inch and 6-inch extensions, and a removable organizer tray.
Close-up product detail highlighting key features of the Cr-Mo steel sockets, including the 6-point hex design, deep-well construction, color-coded rings, and high-visibility stamped size markings with white paint infill.
A technical view of a 3/4-inch impact socket showcasing the optimized wall thickness for enhanced access in tight spaces and the dual-hole design at the base for a secure connection to the drive.
The removable orange organizer tray from the 65123HD set, measuring 14 inches by 12 inches, shown full of sockets to demonstrate how it can be used independently from the outer carrying case.
A functional demonstration of a 9/16-inch deep-well impact socket attached to a cordless impact driver via the included hex adapter, illustrating the set's high-torque impact-rated performance.
A cross-compatibility graphic showing how the specialized KNECT drive adapter allows traditional 1/2-inch drive sockets to connect to any KNECT M-system manual pass-through driver or wrench.
An image demonstrating convenient storage, showing the removable socket organizer tray nested perfectly inside a black MODbox tool chest drawer for professional job site organization.
Close-up view of the built-in small parts storage compartment within the organizer tray, shown holding various nuts and bolts alongside the impact-rated deep-well sockets.
An orange heavy-duty blow-molded carrying case for the Klein Tools 65123HD impact socket set, showing dimensions of 16 inches wide by 14 inches high and 3 inches deep, featuring secure metal latches and the Klein Tools logo.
Klein Tools Manufacturing promotional video
An overhead view of the 28-piece KNECT deep-well impact socket set organized in its orange case, showcasing SAE and metric sockets with color-coded rings, two extension shafts, and drive adapters.
A component breakdown image titled What’s Included, displaying 11 SAE sockets, 13 metric sockets, a square drive adapter, a 1/4-inch impact adapter, 3-inch and 6-inch extensions, and a removable organizer tray.
Close-up product detail highlighting key features of the Cr-Mo steel sockets, including the 6-point hex design, deep-well construction, color-coded rings, and high-visibility stamped size markings with white paint infill.
A technical view of a 3/4-inch impact socket showcasing the optimized wall thickness for enhanced access in tight spaces and the dual-hole design at the base for a secure connection to the drive.
The removable orange organizer tray from the 65123HD set, measuring 14 inches by 12 inches, shown full of sockets to demonstrate how it can be used independently from the outer carrying case.
A functional demonstration of a 9/16-inch deep-well impact socket attached to a cordless impact driver via the included hex adapter, illustrating the set's high-torque impact-rated performance.
A cross-compatibility graphic showing how the specialized KNECT drive adapter allows traditional 1/2-inch drive sockets to connect to any KNECT M-system manual pass-through driver or wrench.
An image demonstrating convenient storage, showing the removable socket organizer tray nested perfectly inside a black MODbox tool chest drawer for professional job site organization.
Close-up view of the built-in small parts storage compartment within the organizer tray, shown holding various nuts and bolts alongside the impact-rated deep-well sockets.
An orange heavy-duty blow-molded carrying case for the Klein Tools 65123HD impact socket set, showing dimensions of 16 inches wide by 14 inches high and 3 inches deep, featuring secure metal latches and the Klein Tools logo.
Klein Tools Manufacturing promotional video
KLEIN TOOLS

Klein Tools Impact Socket Set 65123HD 1/2 Inch Drive Deep Well Kit (28 Piece CrMo Steel Color Coded SAE Metric Pass Through System Integration Fastening)

Only 2 left
SKU: 65123HD
$169.98 USD

Description

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Execute High-Torque Mechanical Fastening with Deep-Well Clearance and Seamless Pass-Through Adaptability

The Klein Tools 65123HD KNECT™ 28-Piece 1/2-Inch Drive Deep-Well Impact Socket Set is a master mechanical fastening system engineered to handle intensive rotational torque forces from cordless power tools. Forged from cold-forged, heat-treated Chrome Molybdenum (Cr-Mo) steel, this industrial-grade collection provides a comprehensive range of SAE and metric dimensions featuring a high-clearance deep profile. Outfitted with specialized KNECT™ pass-through system adapters, color-coded identification rings, and an ultra-durable manganese phosphate anti-corrosion layer, this kit maximizes productivity for structural utility installations, heavy machinery upkeep, and electrical infrastructure assemblies.

Best Used For:

  • Recessed Stud Anchoring: Running heavy hex nuts over extended threaded rods or deeply recessed fasteners where shallow sockets cannot reach.
  • Electrical Infrastructure Staging: Mounting structural transformer brackets, structural utility enclosures, and heavy overhead cable tray networks safely.
  • High-Torque Maintenance Assemblies: Sinking industrial flange fasteners, structural steel couplings, and heavy equipment chassis components without cracking.

Key Performance & Safety Features

  • Premium Cr-Mo Steel Alloy: Cold-forged, heat-treated Chrome Moly structure easily absorbs heavy impact driver hammer vibrations to eliminate shattering risks.
  • KNECT™ Pass-Through Compatibility: Includes specialized system adapters to natively bridge 1/2-inch drive sockets directly into the KNECT™ Pass-Through Socket Wrench ecosystem.
  • Rapid Size Identification Bands: High-visibility color-coded rings and large white-paint-infilled stamped markings enable fast size picking in poorly lit crawlspaces.
  • Optimized Thin-Wall Geometry: Engineered with tight exterior dimensions to pass into restricted hardware pockets while preserving high radial wall strength.
  • Manganese Phosphate Conversion Layer: Shielded in an industrial anti-wear coating formulated to absorb thread oils and resist field oxidation or rust bloom.

What's Included

  • (11) SAE Deep-Well Impact Sockets: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1"
  • (13) Metric Deep-Well Impact Sockets: 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 21mm, 22mm, 24mm
  • (1) 3-Inch Steel Impact Extension Bar
  • (1) 6-Inch Steel Impact Extension Bar
  • (1) 1/4-Inch Hex to 1/2-Inch Square Drive Quick-Change Adapter
  • (1) KNECT™ (M) to 1/2-Inch Square Drive Pass-Through Adapter
  • (1) Heavy-Duty Blow-Molded Storage Case with Removable Organizer Tray

Technical Specifications

Brand Manufacturer: Klein Tools
Model Number (SKU): 65123HD
Product Type Category: Deep-Well Master Impact Socket Set
Drive Size Standard: 1/2 in Square Drive
Socket Profile Style: Deep Well
Socket Wall Configuration: 6-Point Hex Fitment
Core Metallurgy Composition: Chrome Molybdenum (Cr-Mo) Steel Alloy
Surface Corrosion Treatment: Manganese Phosphate Coating
Total Master Piece Count: 28 Pieces Total
Overall Box Length: 14.03 in
Overall Box Width: 15.95 in
Overall Box Height: 2.89 in
Total Container Weight: 16.1 lbs
Testing Engineering Standards: ASME B107.110 Standard
UPC String Code: 092644653360


PRO-TIP: When seating deep-well sockets onto high-vibration cordless tools, line up the socket pinhole cleanly with the driver square anvil detent ball. Securing this locking tracking alignment locks the 16.1-pound system securely against heavy torque throw, avoiding loose sockets spinning loose during vertical structural fastening setups.