QJO18A - Williams - 9/16" Open‑End Wrench Head – J‑Shank

Williams QJO18A 9/16" Open‑End Wrench Head – J‑Shank
The Williams QJO18A 9/16" Open‑End Wrench Head is engineered for technicians who need reliable torque accuracy, excellent accessibility, and long‑term durability when working with small imperial fasteners. Featuring a secure J‑shank attachment, this wrench head connects firmly with Williams torque wrenches and torque multipliers—ensuring stable, repeatable torque performance across demanding industrial environments.

Its slim open‑end design allows access to fasteners located in tight, recessed, or obstructed spaces where box‑end heads cannot operate. Crafted from high‑strength alloy steel and precision‑machined to exact tolerances, the QJO18A is built to withstand continuous heavy‑use torque applications while resisting wear, rounding, and deformation.

Ideal for technicians in manufacturing, utilities, industrial maintenance, heavy‑equipment servicing, and oil & gas field operations, this wrench head delivers the reliability and performance needed for professional‑grade work.

Key Features

• 9/16" Open‑End Wrench Head – Ideal for small imperial fasteners found in machinery, pumps, valves, fixtures, and compact mechanical assemblies.
• J‑Shank Interface – Provides secure, stable engagement with Williams torque systems for accurate torque delivery.
• Slim, High‑Access Profile – Reaches recessed or obstructed bolts where box‑end torque heads cannot fit.
• Premium Alloy Steel Construction – Ensures high durability and resists rounding, deformation, and wear under repeated torque cycles.
• Precision‑Machined Fit – Delivers accurate, consistent torque performance for critical fastening jobs.
• Industrial‑Grade Durability – Suitable for power‑generation, utilities, refineries, mining, manufacturing, and equipment repair environments.

Ideal Applications

• Equipment and machinery servicing
• Utilities & power‑generation mechanical tasks
• Oil & gas field service & refinery maintenance
• Plant‑floor assembly & repair
• Pumps, valves, piping systems & instrumentation
• Tight‑access torque applications requiring high accuracy