Professional 3/8" drive crowfoot wrench with Flank Drive® technology delivering 15-20% more turning power. Features 6-point design, thin wall construction for obstacle access, nickel-chrome finish, and maximum 150 in-lb torque rating.
The Tools@Height 3/8" Drive 6-Point 3/8" Flank Drive® Flare Nut Crowfoot Wrench (Model THFRH120S) is a professional-grade tool designed for precision fastening applications in demanding industrial environments. This crowfoot wrench features the innovative Flank Drive® system that grips the fastener flats and delivers up to 15-20% more turning power compared to traditional designs, ensuring superior performance and reduced risk of fastener damage. The wrench is engineered with a thin wall design that provides exceptional access around obstacles and tight spaces, making it ideal for complex maintenance tasks.
Manufactured from the highest quality proprietary steel, this tool combines durability with corrosion resistance through its nickel-chrome alloy finish. The 6-point box end design features the proven Flank Drive® wrenching configuration, specifically engineered for turning fasteners on power steering lines, expansion valves, A/C lines, hydraulic lines, fuel filter lines, and various industrial equipment. The wrench incorporates locking holes on all sides rather than just one, significantly reducing the risk of misalignment and ensuring reliable, accurate operation in critical applications.
With a maximum recommended working torque of 150 in-lb, this tool is built to professional standards and backed by Snap-on's reputation for excellence. The compact dimensions and lightweight construction (0.07 lb) make it portable and easy to handle during extended work sessions. This crowfoot wrench is an essential addition to any professional technician's toolkit, particularly for those working in aviation, aerospace, automotive, and industrial maintenance sectors.
Key Features
- Flank Drive® system provides up to 15-20% more turning power than traditional designs
- 6-point box end with proven Flank Drive® wrenching configuration for superior fastener grip
- Thin wall design enables exceptional access around obstacles and tight spaces
- Locking holes on all sides reduce misalignment risk and ensure precise operation
- Nickel-chrome alloy finish resists rust and corrosion in demanding environments
- Manufactured from highest quality proprietary steel for optimum strength and durability
- Ideal for power steering lines, expansion valves, A/C lines, hydraulic lines, and fuel filter lines
- Maximum recommended working torque of 150 in-lb for reliable heavy-duty performance
Technical Specifications
| Specification |
Value |
| Model Number | THFRH120S |
| Drive Size | 3/8 inch |
| Wrench Size | 3/8 inch |
| Point Configuration | 6-Point |
| Dimension A - Outside Diameter | 13/32 inch |
| Dimension B - Wall Opening | 1/4 inch |
| Dimension C - Center to Center | 9/16 inch |
| Dimension D - Length | 1-11/32 inches |
| Dimension E - Head Depth | 3/8 inch |
| Weight | 0.07 lb (0.03 kg) |
| Maximum Recommended Working Torque | 150 in-lb |
| Material | Proprietary steel with nickel-chrome alloy finish |
| Design Type | Flank Drive® crowfoot wrench |
| Finish | Nickel-chrome alloy |
| Brand | Snap-on Tools@Height |
