Klein 66079 small 3-inch flip adapter forged from 4140 steel showing laser-etched model markings and top ball detent.
Diagram detailing 1/4-inch hex to 1/4-inch square conversion, retention ball detent, and protective black finish on the Klein 66079 adapter.
Angled view of the Klein 66079 small flip adapter displaying its 1/4-inch quick-connect hex shank and 1/4-inch square anvil.
Top-down view of the 1/4-inch square male drive anvil on the Klein 66079 4140 steel flip socket adapter.
Side profile of the 3-inch Klein 66079 small flip impact socket adapter showing protective black oxide coating.
Bottom-up view looking directly at the 1/4-inch quick-connect hex power shank of the Klein 66079 adapter.
Klein 66079 small adapter and flip socket stood vertically on industrial machinery prior to high-torque fastener driving.
Klein 66070 flip impact socket set open on a jobsite displaying five color-coded sockets, large adapter, and 66079 small adapter.
Technician driving a machine bolt using a cordless impact driver fitted with a Klein flip socket and 66079 small adapter.
Five Klein flip impact sockets stood in a row alongside the 66078 large adapter and 66079 small adapter on a jobsite tray.
The Name on the Tools is Our Reputation promotional how to video
Klein 66079 small 3-inch flip adapter forged from 4140 steel showing laser-etched model markings and top ball detent.
Diagram detailing 1/4-inch hex to 1/4-inch square conversion, retention ball detent, and protective black finish on the Klein 66079 adapter.
Angled view of the Klein 66079 small flip adapter displaying its 1/4-inch quick-connect hex shank and 1/4-inch square anvil.
Top-down view of the 1/4-inch square male drive anvil on the Klein 66079 4140 steel flip socket adapter.
Side profile of the 3-inch Klein 66079 small flip impact socket adapter showing protective black oxide coating.
Bottom-up view looking directly at the 1/4-inch quick-connect hex power shank of the Klein 66079 adapter.
Klein 66079 small adapter and flip socket stood vertically on industrial machinery prior to high-torque fastener driving.
Klein 66070 flip impact socket set open on a jobsite displaying five color-coded sockets, large adapter, and 66079 small adapter.
Technician driving a machine bolt using a cordless impact driver fitted with a Klein flip socket and 66079 small adapter.
Five Klein flip impact sockets stood in a row alongside the 66078 large adapter and 66079 small adapter on a jobsite tray.
The Name on the Tools is Our Reputation promotional how to video
KLEIN TOOLS

Klein Tools Flip Impact Socket Adapter 66079 Small 1/4 to 1/4 Inch (Hex Shank 4140 Steel Ball Detent Dual Drive Power Driver Conversion)

Only 2 left
SKU: 66079
$10.36 USD

Description

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Klein Tools 66079 Small 1/4-Inch Hex to 1/4-Inch Square Flip Impact Socket Adapter

The Klein Tools 66079 Small 1/4 to 1/4-Inch Flip Impact Socket Adapter operates as a heavy-duty power driving connector engineered to convert 1/4 inch quick-connect power impact driver chucks into 1/4 inch square drive socket holders. Measuring 3 inches long by 1/4 inch wide by 1/4 inch high and weighing 18/25 oz (0.72 oz), this adapter is forged from heat-treated 4140 alloy steel with a black rust-resistant finish, a spring-loaded retention ball detent, and a 1/4 inch male square output anvil. Designed to withstand extreme rotational torque shock loads, this converter allows electrical linemen, HVAC technicians, and industrial contractors to mount modular flip sockets directly onto 1/4 inch cordless impact drivers or link with the Cat. No. 66078 large adapter for dual-drive utility without slipping or binding.

Best Used For:

  • Impact Driver Socket Conversion: Adapting standard 1/4 inch quick-change impact driver chucks to operate 1/4 inch square drive flip sockets for hardware installations.
  • Dual-Drive Modular Coupling: Interlocking directly with the Klein Cat. No. 66078 large adapter to build a multi-drive system serving five distinct flip socket sizes.
  • High-Torque Electrical & HVAC Fastening: Driving hex nuts, conduit clamps, and transformer hardware using power impact drivers without dropping attachments.

Key Performance & Safety Features

  • Forged 4140 Alloy Steel Construction: High-tensile alloy steel metallurgy resists shank twisting, fracturing, and drive anvil wear under severe rotational impact forces.
  • Spring-Loaded Steel Retention Ball Detent: High-tension detent ball locks modular flip sockets firmly onto the square anvil to prevent socket drop-off during overhead tasks.
  • Dual-Drive Modular System Compatibility: Pairs seamlessly with the Klein Cat. No. 66078 adapter and Cat. No. 66070 flip socket kits for multi-size fastener servicing.
  • Corrosion-Resistant Black Oxide Finish: Durable black coating shields exposed steel surfaces from jobsite moisture, oils, and chemical fluid rusting.
  • Standard 1/4-Inch Quick-Connect Hex Shank: Precision-milled 1/4 inch power hex shank fits all standard cordless impact driver chucks and bit extension holders.

What's Included

  • (1) Klein Tools 66079 Small 1/4-Inch Hex Shank to 1/4-Inch Square Drive Flip Impact Socket Adapter

Technical Specifications

Brand Manufacturer Klein Tools®
Model Part Number OEM SKU 66079
Tool Classification Type Small 1/4-Inch Hex to 1/4-Inch Square Flip Impact Adapter
Input Drive Interface 1/4 inch Quick-Connect Power Hex Shank
Output Drive Interface 1/4 inch Male Square Drive Anvil
Socket Retention Mechanism Spring-Loaded Stainless Steel Ball Detent
Core Metallurgy Material Heat-Treated Forged 4140 Alloy Steel
Surface Protective Finish Black Oxide Corrosion-Resistant Coating
Power Tool Compatibility 1/4 inch Power Impact Drivers & Drills (e.g. Klein BAT20CW1)
Modular Adapter System Pairing Klein Cat. No. 66078 & 66070 Flip Socket Series
Overall Adapter Length 3.0 inches (7.6 cm)
Overall Shaft Width & Height 1/4 inch W x 1/4 inch H (0.6 cm x 0.6 cm)
High-Voltage Insulated Frame No (Uninsulated - do not use on energized electrical circuits)
Package Piece Quantity 1 Unit
Assembled Net Package Weight 18/25 oz / 0.72 oz (20 g)
Global Trade Item Number GTIN 00092644132094

Pro-Tip: When coupling this small 1/4 inch adapter into the 66078 large adapter for dual-drive socket setups, push the hex shank until the ball detent audibly snaps into place. Verifying firm mechanical engagement prevents internal shaft play under high-RPM impact driver operation.