Professional-grade 21mm metric angle head wrench with Flank Drive® Plus technology, 62% more turning power, dual 30°/60° offsets, and four-position versatility for industrial applications.
The Snap-on 21mm Metric Flank Drive® Plus Four-Way Angle Head Open-End Wrench (Model SVSM21A) is a professional-grade tool engineered for demanding industrial applications. This premium wrench features the advanced Flank Drive® Plus wrenching profile on the open end, which bites into the fastener to prevent slipping and rounding, while delivering up to 62% more turning power and strength compared to conventional wrenches. The dual offset angles of 30° and 60° to the handle provide exceptional versatility, allowing a single wrench to be used in four different positions for enhanced accessibility in tight work spaces.
Constructed from special alloy steel and heat-treated to the highest standards, this wrench guarantees optimum strength, durability, and reliability in the most challenging work environments. The nickel-chrome plating provides superior corrosion resistance and ensures easy maintenance with simple wiping. With an overall length of 228mm and a head depth of 8mm, the wrench is sized for optimal comfort and balance during extended use. The same size on both ends (21mm) eliminates the need for multiple tools, making it an essential addition to any professional mechanic's or technician's toolkit.
Meeting ASME® B107.100 standards, this Snap-on wrench is built to the exacting specifications required for aerospace, military, oil and gas, power generation, and general industrial applications. Its superior design and construction make it the preferred choice for professionals who demand reliability, precision, and performance.
Key Features
- Flank Drive® Plus wrenching profile prevents fastener slipping and rounding
- Delivers up to 62% more turning power and strength versus standard wrenches
- Four-position versatility with 30° and 60° offset angles on both ends
- Special alloy steel construction with heat treatment for maximum durability
- Nickel-chrome plating for corrosion resistance and easy maintenance
- ASME® B107.100 certified for professional industrial standards
- Optimal sizing for comfort and balance during extended use
- Suitable for aerospace, military, oil and gas, and power generation industries
Technical Specifications
| Specification |
Value |
| Model Number | SVSM21A |
| Size | 21mm Metric |
| Type | Four-Way Angle Head Open-End Wrench |
| Length | 228mm |
| Head Depth | 8mm |
| Outside Diameter | 41mm |
| Material | Special Alloy Steel |
| Finish | Nickel-Chrome Plating |
| Offset Angles | 30° and 60° |
| Standards | ASME® B107.100 |
| Features | Flank Drive® Plus wrenching profile |
| Turning Power Advantage | Up to 62% more than conventional wrenches |
