Professional 3-1/8" heavy-duty tubular straight box wrench with Flank Drive® technology delivering 20% more turning power, industrial black-oxide finish, and ANSI® compliance for demanding industrial applications.
The Snap-on 3-1/8" 12-Point SAE Flank Drive® Heavy-Duty Tubular Straight Box Wrench (Model XH1100C) is a professional-grade tool engineered for demanding industrial applications. This premium wrench features Snap-on's proprietary blend of special alloy socket steel, delivering exceptional durability and strength for extended service life in the most challenging work environments. The innovative FLANK DRIVE® wrenching system provides up to 20% more turning power compared to conventional wrenches, while eliminating slipping and rounding of fastener corners, ensuring reliable performance that exceeds ANSI® standards.
Designed for heavy-duty maintenance and repair operations, this tubular straight box wrench combines precision engineering with industrial-grade construction. The 12-point design provides versatility in fastening applications, while the heavy-duty tubular construction ensures maximum strength and longevity. The industrial black-oxide finish provides superior corrosion protection, making this wrench ideal for use in harsh environments including aviation, aerospace, military, defense, oil and gas, power generation, railroads, and general industrial applications.
With overall dimensions of 14-7/8" length and 4-15/16" outside diameter, this wrench is specifically engineered to fit Handle Number 36B and meets ASME® B107.100 standards. Whether you're working on complex machinery, fleet maintenance, or heavy-duty equipment, this Snap-on wrench delivers the professional quality and reliability that industrial professionals depend on for critical applications.
Key Features
- Proprietary special alloy socket steel provides exceptional durability and long service life
- Flank Drive® wrenching system delivers up to 20% more turning power without slipping or rounding
- 12-point design for versatile fastening applications and multiple angle engagement
- Industrial black-oxide finish provides superior corrosion protection in harsh environments
- Exceeds ANSI® B107.100 performance standards for professional-grade reliability
Technical Specifications
| Specification |
Value |
| Model Number | XH1100C |
| Size (inches) | 3-1/8" |
| Size (mm) | 79 mm |
| Point Design | 12-Point SAE |
| Type | Heavy-Duty Tubular Straight Box Wrench |
| Overall Length (inches) | 14-7/8" |
| Head Depth (inches) | 1-3/4" |
| Outside Diameter (inches) | 4-15/16" |
| Fits Handle Number | 36B |
| Finish | Industrial Black-Oxide |
| Material | Special Alloy Socket Steel |
| Standard Compliance | ASME® B107.100 |
| Technology | Flank Drive® Wrenching System |
| Performance Advantage | Up to 20% More Turning Power |
| Brand | Snap-on |
