Klein Tools bl7 Ball-end Hex Key 7/64 Inch Sae

Product Description

The KLEIN TOOLS bl7 is a 7/64 inch SAE L-Style Ball-End Hex Key designed for professional tradespeople who need reliable hand tools in tight or awkward spaces. Heat-treated and tempered alloy steel construction gives this key the strength to handle high-torque applications without deforming. The ball end engages fasteners at angles up to 25 degrees, making it practical for confined areas where a straight approach is not possible. Electricians, HVAC technicians, plumbers, and general tradespeople will find this key useful during equipment installation and service work.

The bl7 is suited for residential and light commercial service work where SAE hex fasteners are common. The L-style design provides two working options: the long arm reaches into recessed or obstructed locations, while the short arm delivers additional torque and handles situations with limited vertical clearance. It is a standard carry item for technicians servicing equipment panels, motor mounts, set screws, and similar hardware.

Key Features

• 7/64 inch SAE hex size for standard SAE fastener applications
• Ball end allows engagement at angles up to 25 degrees for hard-to-reach fasteners
• Long arm provides extended reach into recessed or obstructed areas
• Short arm delivers higher torque and fits low-clearance situations
• Heat-treated and tempered construction for strength and durability

Compatibility

Designed as an OEM-style replacement or standard hand tool for use with 7/64 inch SAE hex-drive fasteners commonly found in HVAC equipment, electrical panels, plumbing fixtures, and general mechanical assemblies.

Installation Notes

This hex key is a hand tool used by licensed HVAC technicians, electricians, and plumbers during equipment installation and service. Always de-energize and lock out electrical equipment before using hand tools in panel or equipment interiors, following NFPA 70E and applicable local codes. Do not apply additional leverage to the key beyond hand pressure, as excess force can damage the fastener or the tool. Confirm the correct hex size before engaging the fastener to prevent rounding.

Technical Specifications

• Hex Size: 7/64 inch
• Measurement Standard: SAE
• Style: L-Style
• End Type: Ball End
• Ball End Angle Capacity: Up to 25 degrees
• Construction: Heat-treated and tempered alloy steel

Standard Information

• Brand: KLEIN TOOLS
• Manufacturer Part Number: bl7