Klein Tools Folding Hex Key Set 8-Piece SAE Sizes 1/20-5/32 Inch
Professional-Grade Folding Hex Key Tool Set
The Klein Tools Folding Hex Key Set delivers professional-grade hex key performance for electrical and mechanical applications. This alloy steel construction 8-piece folding set features square-cut hex ends designed for electricians, technicians, and maintenance professionals, providing the reliable performance and industry-leading quality that tradesmen demand from America's most trusted tool manufacturer.
Professional Features & Benefits
Precision Engineering
- Square-Cut Hex Ends - Secure full-depth fit with maximum contact to prevent slippage and socket stripping
- Eight SAE Sizes - Complete range from 1/20-inch to 5/32-inch for versatile fastener compatibility
- Folding Design - Compact pocket-friendly configuration eliminates lost key problems
- Two Key Positions - Straight-out or right angle positioning for extra leverage and access
Durability & Construction
- Alloy Steel Construction - High-strength material withstands professional use and torque demands
- Black Oxide Finish - Corrosion-resistant coating provides long-lasting tool life and professional appearance
- Klein Quality Standards - Rigorous testing ensures reliable performance under demanding electrical and mechanical applications
Technical Specifications
Overall Length: 5.4 inches (13.7 cm), Handle Length: 3.063 inches (7.8 cm), Width: 3.0 inches, Height: 0.9 inches, Weight: 0.2 lbs, Material: Alloy Steel/Steel construction, Finish: Black Oxide coating, Includes: Eight SAE hex key sizes - 1/20", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", and 5/32", Key Length Range: 1.875 to 3 inches (4.8 to 7.6 cm)
Installation & Usage
- Select appropriate hex key size for fastener application
- Unfold key from compact housing to straight-out position for standard access
- Position key at right angle for increased leverage in tight spaces
- Insert hex end fully into socket ensuring complete engagement
- Apply steady torque avoiding pipe extensions or excessive force
- Fold keys back into housing for compact storage and transport
Professional Applications
Ideal for:
- Electrical Panel Work - Terminal blocks, junction boxes, and electrical enclosure fasteners
- Control Cabinet Assembly - Industrial control panels, motor control centers, and automation equipment
- Telecommunications Installation - Rack mounting hardware, cable management systems, and network equipment
- HVAC Maintenance - Unit assembly, ductwork connections, and control system fasteners
- Industrial Maintenance - Machinery adjustment, equipment servicing, and mechanical repairs
- Residential Electrical - Outlet installation, switch mounting, and fixture assembly
- Commercial Construction - Conduit systems, electrical rough-in, and finish electrical work
- Automotive Electrical - Vehicle wiring, component mounting, and electrical system repairs
Folding Design Advantage
Klein Tools folding hex key engineering provides superior organization and portability for electrical applications. The compact folding design prevents key loss while maintaining professional accessibility, and the dual-position capability offers both standard access and increased leverage for challenging installations in electrical panels and control systems.
Why Choose Klein Tools Quality?
Klein Tools legacy of excellence since 1857 represents America's commitment to professional electrical tool manufacturing. Our rigorous testing protocols ensure each folding hex key set meets the demanding safety standards and durability requirements of electrical professionals, delivering the trusted reliability that electricians and technicians depend on for critical installations and maintenance work.
KLN-70581 - spec sheet
Manufacturer Resources
Product Specs
- End:
- Flat
- Handle Length:
- 3.063" (7.8 cm)
- Included:
- Eight-Key Inch Set - 1/20", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32"
- Key Lengths:
- 1.875 to 3" (4.8 to 7.6 cm)
- Measurement Standard:
- SAE
- Number Of Pieces:
- 8
- Overall Length:
- 5.4 (13.7 cm)
- Product Type:
- Folding Set
- Department:
- Electrical
- Product Group:
- Hand Tools
- Product Subgroup:
- Hammers & Wrenches
- Product Finish:
- Black Oxide
- Product Size:
- 3/64", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32"
- Product Details:
- Folding Set
- Product Color:
- Silver
- Product Height:
- 0.9000 in
- Product Material:
- Alloy Steel/Steel
- Product Weight:
- 0.2000 lbs
- Product Width:
- 3.0000 in
- Product Depth:
- 5.4000 in