Professional Snap-on 2-5/8" heavy-duty offset box tubular wrench with 12-point Flank Drive technology, compatible with optional handle for maximum versatility and power in industrial applications.
The Snap-on 2-5/8" 12-Point SAE Flank Drive Heavy-Duty Offset Box Tubular Wrench (Model X840B) is a professional-grade tool designed for demanding industrial applications. This versatile wrench features a unique tubular design that allows it to be used independently or with an optional handle for enhanced turning power. The offset box wrench configuration provides superior turning clearance, making it ideal for working in tight spaces and hard-to-reach fasteners common in aviation, aerospace, and heavy-duty maintenance environments.
The wrench features Snap-on's signature Flank Drive technology, which provides a secure grip on 12-point fasteners with minimal slippage. The 2-5/8 inch size with a 3-3/4 inch outside diameter and 1-1/2 inch head depth makes it suitable for medium to large fastening applications. The detent system on the wrench shaft ensures proper alignment with the locking button on the optional handle, preventing misalignment and potential damage to fasteners.
With an overall length of 13-29/32 inches, this heavy-duty tubular wrench is engineered for professional mechanics and technicians who require reliability and durability. The wrench is compatible with Snap-on Handle Number 36B, allowing users to quickly transition from hand operation to powered tightening applications. Whether used for initial nut run-down or final tightening, this tool delivers consistent performance in industrial, aerospace, and fleet maintenance settings.
Key Features
- Unique tubular design allows use with or without optional handle for maximum versatility
- 12-Point SAE Flank Drive technology ensures secure grip with minimal fastener slippage
- Offset box wrench provides superior turning clearance in tight spaces and hard-to-reach areas
- Detent system on wrench shaft aligns perfectly with locking button on optional handle
- Heavy-duty construction engineered for demanding industrial, aerospace, and fleet maintenance applications
Technical Specifications
| Specification |
Value |
| Model Number | X840B |
| Size | 2-5/8 inches |
| Style | 12-Point SAE |
| Outside Diameter (Dimension B) | 3-3/4 inches |
| Head Depth (Dimension A) | 1-1/2 inches |
| Overall Length (Dimension C) | 13-29/32 inches |
| Wrench Type | Offset Box Tubular Wrench |
| Compatible Handle | Snap-on Handle Number 36B |
| Drive Technology | Flank Drive |
| Application | Heavy-Duty Industrial, Aerospace, and Fleet Maintenance |
