Apex 81684 Flare Nut Wrench 5/8 X 3/4 Inch Sae Chrome

Product Description

The APEX 81684 is a SAE flare nut wrench sized 5/8 inch x 3/4 inch, designed to loosen and tighten hex nuts in confined spaces where tubing is present. Manufactured from alloy steel with a full polish chrome finish, this wrench delivers corrosion resistance and long service life. At 8.287 inches in length and 0.46 pounds, it is a compact, lightweight hand tool suited for HVAC technicians, plumbers, and automotive technicians working on fuel lines, brake lines, refrigerant lines, and similar tubing assemblies. Two sizes on a single wrench reduces the number of tools needed in the bag.

The 81684 fits standard hex flare nuts found on tubing connections in residential and light commercial applications. It is well suited for HVAC refrigerant line service, plumbing supply connections, and fuel or brake line work. The standard pattern body provides straightforward access on common flare fittings. This wrench is sold individually and is a practical addition to any service technician's hand tool set.

Key Features

• Dual-size wrench fits 5/8 inch and 3/4 inch hex flare nuts on a single tool
• Alloy steel construction for durability under torque
• Full polish chrome finish resists corrosion and simplifies cleanup
• Standard pattern body for reliable access on typical flare nut fittings
• Compact length of 8.287 inches keeps weight to 0.46 pounds

Compatibility

Designed for use on hex flare nuts where tubing is present, including vehicle fuel lines, brake lines, refrigerant lines, and similar SAE plumbing connections.

Installation Notes

Flare nut wrenches are installed by licensed HVAC technicians, plumbers, and mechanics working on pressurized tubing systems. Always depressurize and purge the relevant line before breaking any fitting. Use the correct jaw size to avoid rounding the hex flare nut. Follow applicable codes such as IFGC, IPC, or SAE standards for the system being serviced.

Technical Specifications

• Wrench Sizes: 5/8 inch x 3/4 inch
• Length: 8.287 inches
• Weight: 0.46 pounds
• Material: Alloy Steel
• Finish: Full Polish Chrome
• Measurement System: SAE
• UOM: Each
• UPC: 099575816840

Standard Information

• Brand: APEX
• Manufacturer Part Number: 81684