Professional 3/8" drive 6-point flare nut crowfoot wrench with Flank Drive® technology providing 15-20% more turning power. Features locking holes on all sides, thin wall design for obstacle access, and nickel-chrome finish. Maximum torque 300 in-lb. Ideal for power steering, A/C, hydraulic, and fuel lines.
The Tools@Height 3/8" Drive 6-Point 9/16" Flank Drive® Flare Nut Crowfoot Wrench (Model THFRH180S) is a professional-grade precision tool designed for demanding applications in aviation, aerospace, military, and industrial environments. This specialized wrench features the revolutionary Flank Drive® system that grips the fastener flats and provides up to 15-20% more turning power compared to traditional wrenching methods, ensuring superior torque application and reducing fastener damage. The thin wall design enables exceptional access around obstacles and tight spaces, making it ideal for work on power steering lines, expansion valves, A/C lines, hydraulic lines, and fuel filter lines where space constraints are critical.
Manufactured from the highest quality proprietary steel with a nickel-chrome alloy finish, this crowfoot wrench delivers optimum strength and durability while resisting rust and corrosion in harsh industrial conditions. The 6-point box end configuration features the proven Flank Drive® design that minimizes fastener rounding and provides consistent, reliable performance. Uniquely designed with locking holes on all sides rather than just one, this wrench significantly reduces the risk of misalignment and ensures secure attachment to your 3/8" drive tools. With a maximum recommended working torque of 300 in-lb, this tool is engineered to handle demanding professional applications while maintaining precision and safety standards.
The compact and lightweight design (0.12 lb) makes this wrench perfect for technicians and maintenance professionals who require portable, reliable tools for field service work. Whether you're working in aviation maintenance, military applications, oil and gas operations, or general industrial equipment servicing, this Flank Drive® crowfoot wrench delivers the performance, durability, and precision required for professional-grade work.
Key Features
- Flank Drive® system grips fastener flats for 15-20% more turning power
- Locking holes on all sides reduce risk of misalignment
- Thin wall design for superior access around obstacles and tight spaces
- Nickel-chrome alloy finish resists rust and corrosion
- 6-point box end with proven Flank Drive® wrenching configuration
- Manufactured from highest quality proprietary steel for optimum strength
- Maximum recommended working torque of 300 in-lb
- Lightweight and compact design for portable field service work
- Ideal for power steering, A/C, hydraulic, expansion valves, and fuel lines
- Professional-grade precision tool for aviation, aerospace, and industrial applications
Technical Specifications
| Specification |
Value |
| Model Number | THFRH180S |
| Drive Size | 3/8 inch |
| Wrench Size | 9/16 inch |
| Point Configuration | 6-Point |
| Dimension A - Outside Diameter | 1-1/8 inches |
| Dimension B - Wall Opening | 3/8 inch |
| Dimension C - Center to Center | 3/4 inch |
| Dimension D - Length | 1-5/8 inches |
| Dimension E - Head Depth | 7/16 inch |
| Weight | 0.12 lb (0.05 kg) |
| Maximum Recommended Working Torque | 300 in-lb |
| Material | Proprietary steel with nickel-chrome alloy finish |
| Design Type | Flank Drive® Flare Nut Crowfoot Wrench |
| Finish | Nickel-chrome alloy |
| Brand | Tools@Height by Snap-on |
