5/8 X 11/16 FLARE NUT WR - OTC Tools and Equipment

Part #: OT7306

The OTC Tools and Equipment OT7306 5/8" X 11/16" Flare Nut Wrench is an essential tool for professional technicians and mechanics working with delicate tubing fittings. Engineered for precision and durability, this wrench provides a secure grip on hexagonal fasteners, significantly reducing the risk of rounding off nuts typically found on automotive and industrial fluid lines. Its specialized design ensures reliable performance in demanding environments.

Key Features

  • Dual-Size Design: Features precision-machined 5/8-inch and 11/16-inch openings to fit common flare nut sizes, enhancing versatility in your toolbox.
  • Non-Marring Grip: Designed to engage five or six sides of a hex fastener, providing a superior grip that prevents damage, stripping, or marring of soft metal fittings.
  • Professional-Grade Construction: Crafted from robust Chrome Vanadium Steel, ensuring exceptional strength, long-term durability, and resistance to corrosion in harsh workshop conditions.
  • Optimized Access: The slim head profile and specialized design allow for effective work in confined spaces, crucial when accessing tight brake, fuel, or hydraulic line connections.

Applications

This professional-grade flare nut wrench is ideal for a wide range of automotive, industrial, and plumbing tasks. It is specifically designed for working on critical systems where delicate fittings require a secure, non-damaging grip. Common applications include:

  • Automotive: Loosening and tightening brake lines, fuel lines, power steering fittings, and hydraulic connections.
  • HVAC: Servicing refrigerant lines in heating, ventilation, and air conditioning systems.
  • Plumbing & Industrial: Working with flare nut connections on various pipes, gas lines, and machinery where precise torque and fastener protection are paramount.

Specifications

  • Manufacturer: OTC Tools and Equipment
  • Model Number: OT7306
  • Sizes: 5/8" X 11/16"
Only 1 left in stock - order soon

$14.24

Add to Cart:

This product was added to our catalog on Sunday 31 May, 2026.

Similar Products

(image for) GearWrench
(image for) 3/4" x 7/8" Flare Nut Wrench
3/4" x 7/8" Flare Nut Wrench
Your Price: $21.06
(image for) GearWrench
(image for) 1/2X9/16 FLR NUT WR (NON-RAT)
1/2X9/16 FLR NUT WR (NON-RAT)
Your Price: $18.77
(image for) GearWrench
(image for) WR 3/8 X 7/16 FLARE NUT
WR 3/8 X 7/16 FLARE NUT
Your Price: $14.69
(image for) GearWrench
(image for) 5/8X11/16 FLR NUT WR (NON-RAT)
5/8X11/16 FLR NUT WR (NON-RAT)
Your Price: $21.69
(image for) Martin Tools
(image for) WR FLRNUT BK 7/8
WR FLRNUT BK 7/8
Your Price: $43.19
(image for) Martin Tools
(image for) WR,FLARENUT,CHR 9/16
WR,FLARENUT,CHR 9/16
Your Price: $36.91
(image for) Martin Tools
(image for) 1" FLARE NUT WRENCH
1" FLARE NUT WRENCH
Your Price: $56.32
(image for) Genius Tools
(image for) 3/8" x 7/16" Flare Nut Wrench
3/8" x 7/16" Flare Nut Wrench
Your Price: $13.59
(image for) Martin Tools
(image for) WRENCH FLARE NUT 7/16 XXX
WRENCH FLARE NUT 7/16 XXX
Your Price: $35.33
(image for) OTC Tools and Equipment
(image for) 3/8 X 7/16 FLARE NUT WR
3/8 X 7/16 FLARE NUT WR
Your Price: $10.81