Professional-grade 3/8" drive flare nut crowfoot wrench with Flank Drive® technology delivering 15-20% more turning power. Thin wall design for tight space access, nickel-chrome finish, and maximum 525 in-lb torque capacity.
The Tools@Height 3/8" Drive 6-Point 3/4" Flank Drive® Flare Nut Crowfoot Wrench (Model THFRH240S) is a professional-grade precision tool designed for accessing and turning flare nuts in confined spaces. This specialized wrench features Snap-on's proven Flank Drive® system, which grips the fastener flats to deliver up to 15-20% more turning power compared to conventional wrenches, ensuring superior torque transfer and reduced fastener slippage.
Manufactured from the highest quality proprietary steel alloy with a nickel-chrome finish, this crowfoot wrench provides exceptional durability and corrosion resistance. The thin wall design enables superior access around obstacles and tight spaces, making it ideal for work on power steering lines, expansion valves, A/C lines, hydraulic lines, and industrial equipment. The innovative locking hole design on all sides minimizes misalignment risks and provides consistent, reliable performance across multiple applications.
With a maximum recommended working torque of 525 in-lb, this 3/4" wrench delivers reliable performance in demanding professional environments. The 6-point box end configuration ensures secure engagement with fasteners, while the overall compact dimensions (1-25/32" length, 1-5/16" outside diameter) make it an essential tool for technicians and mechanics working in the aerospace, automotive, industrial, and fleet maintenance sectors.
Key Features
- Flank Drive® system grips fastener flats providing 15-20% more turning power than conventional wrenches
- Locking holes on all sides reduce misalignment risk and ensure consistent performance
- Thin wall design enables superior access in confined spaces and around obstacles
- Nickel-chrome alloy finish resists rust and corrosion for extended tool life
- 6-point box end configuration for secure fastener engagement and reliable torque transfer
- Maximum recommended working torque of 525 in-lb for professional-grade applications
- Ideal for power steering lines, expansion valves, A/C lines, hydraulic lines, and industrial equipment
- Manufactured from highest quality proprietary steel for optimum strength and durability
Technical Specifications
| Specification |
Value |
| Model Number | THFRH240S |
| Drive Size | 3/8 inch |
| Wrench Size | 3/4 inch |
| Point Configuration | 6-Point |
| Dimension A (Outside Diameter) | 1-5/16 inches |
| Dimension B (Wall Opening) | 9/16 inch |
| Dimension C (Center to Center) | 13/16 inch |
| Dimension D (Length) | 1-25/32 inches |
| Dimension E (Head Depth) | 1/2 inch |
| Weight | 0.13 lb (0.06 kg) |
| Maximum Recommended Working Torque | 525 in-lb |
| Material | Proprietary steel alloy |
| Finish | Nickel-chrome |
| Design Type | Flank Drive® Flare Nut Crowfoot Wrench |
| Intended Applications | Power steering lines, expansion valves, A/C lines, hydraulic lines, industrial equipment, fuel filter lines |
