Professional 7/8" SAE Flank Drive® heavy-duty tubular straight box wrench with 12-point design, delivering 20% more turning power while exceeding ANSI standards. Features industrial black-oxide finish and special alloy steel for superior corrosion resistance.
The Snap-on 7/8" 12-Point SAE Flank Drive® Heavy-Duty Tubular Straight Box Wrench (Model XH128C) is a professional-grade tool engineered for demanding industrial applications. This straight box wrench features Snap-on's proprietary blend of special alloy socket steel that delivers exceptional durability and strength for extended service life. The innovative FLANK DRIVE® wrenching system provides up to 20% more turning power compared to conventional wrenches while maintaining superior grip without slipping or rounding fasteners, ensuring reliable performance in heavy-duty maintenance and repair operations.
Designed to meet and exceed ANSI® performance standards, this wrench combines industrial black-oxide finish with precision engineering to resist corrosion and withstand harsh working environments. The tubular construction provides optimal weight distribution and reduced fatigue during extended use. With an overall length of 10-15/16 inches and a head depth of 5/8 inches, this wrench is compatible with Snap-on handles numbered 13B or 24B, making it an essential addition to any professional tool collection. The 12-point design ensures maximum versatility when working with various fastener configurations.
This heavy-duty wrench is ideal for aviation and aerospace maintenance, military and defense applications, oil and gas operations, power generation facilities, railroad maintenance, and general industrial applications. Whether you're performing routine maintenance or tackling complex repair tasks, this Flank Drive® wrench delivers the reliability and performance that professionals demand.
Key Features
- Proprietary special alloy socket steel provides exceptional durability and extended service life
- FLANK DRIVE® wrenching system delivers up to 20% more turning power without slipping or rounding
- Industrial black-oxide finish provides superior corrosion resistance in harsh environments
- 12-point design ensures maximum versatility with various fastener configurations
- Exceeds ANSI® performance standards for professional reliability and safety
- Tubular construction optimizes weight distribution and reduces operator fatigue
- Compatible with Snap-on handles 13B or 24B for enhanced functionality
- Precision engineered for heavy-duty maintenance and repair operations
Technical Specifications
| Specification |
Value |
| Model Number | XH128C |
| Size | 7/8 inches SAE |
| Point Configuration | 12-Point |
| Overall Length | 10-15/16 inches |
| Head Depth | 5/8 inches |
| Outside Diameter | 1-7/16 inches |
| Wrench Type | Straight Box Tubular |
| Compatible Handles | 13B or 24B |
| Material | Special Alloy Socket Steel |
| Finish | Industrial Black-Oxide |
| Drive System | FLANK DRIVE® |
| Performance Standard | Exceeds ANSI® B107.100 |
| Power Advantage | Up to 20% more turning power |
| Corrosion Resistance | Industrial-grade protection |
| Application | Heavy-Duty Industrial, Aerospace, Military, Oil & Gas, Power Generation |
