Wrench Head 20 mm - Wrench
Williams QJOM20A 20 mm Wrench Head (WR Head)
The Williams QJOM20A 20 mm Wrench Head is a high-quality, industrial-grade open-end head designed for technicians who demand precision, durability, and reliable access when working with metric fasteners. Its slim WR-style open-end configuration allows quick engagement and excellent reach in tight, recessed, or obstructed spaces—making it ideal for industrial machinery service, equipment maintenance, utilities, and field-service applications.
Constructed from premium alloy steel and precision-machined for consistent accuracy, the QJOM20A delivers stable fastener engagement and long-lasting performance under heavy industrial use. Whether used with modular torque systems or compatible wrench handles, this WR head ensures smooth, controlled torque application across a wide range of professional tasks.
Key Features
- 20 mm WR (Wrench) Head Ideal for small-to-medium metric fasteners found in machinery, fabrication, and mechanical assemblies.
- Open-End WR Design Provides fast access and quick engagement where box-end tools cannot fit.
- Premium Alloy Steel Construction Withstands demanding torque while resisting wear, deformation, and rounding.
- Precision-Machined Profile Ensures secure fastener grip and accurate, repeatable torque application.
- Compatible With Williams Modular Systems Works seamlessly with interchangeable wrench handles, torque adapters, and accessories.
- Industrial-Grade Durability Built for tough environments including power-generation, utilities, oil & gas, manufacturing, and field-service work.
Ideal Applications
- Machinery repair and maintenance
- Industrial assembly and plant operations
- Utilities & power-generation service
- Oil & gas field work
- Tight-access fastening tasks
- Light-to-medium equipment servicing