QJXM20A - Williams - 20 mm Box‑End Torque Adapter with J‑Shank

The Williams QJXM20A Torque Adapter is engineered for technicians who require precision torque application on 20 mm fasteners used throughout industrial machinery, hydraulic equipment, mechanical assemblies, and heavy‑equipment maintenance.

Its box‑end configuration provides full‑wrap contact on the fastener, dramatically reducing rounding and significantly increasing stability during torque operations. This closed‑end engagement ensures far more reliable torque transfer compared to open‑end torque attachments — especially in high‑load or torque‑critical environments.

The J‑Shank interface provides a secure, rigid connection to compatible Williams torque wrench systems, maintaining alignment and torque accuracy whether used with manual, digital, or hydraulic torque tools. This ensures consistent and repeatable torque output, even under demanding conditions.

Constructed from premium high‑strength alloy steel, the QJXM20A is built to withstand heavy torque cycles, vibration, and long‑term industrial use without compromising durability or accuracy. It is an ideal choice for technicians working in industrial maintenance, hydraulic repair, mechanical service, manufacturing plants, and heavy‑equipment operations.

Key Features

• Size: 20 mm
• Type: Torque adapter / torque head
• Head Style: Box End (Full‑Contact)
• Shank Style: J‑Shank
• Full‑surface wrap‑around fastener engagement enhances accuracy
• Precision‑machined for stable, repeatable torque delivery
• High‑strength alloy steel provides long‑term durability
• Compatible with Williams J‑Shank torque systems
• Perfect for industrial, hydraulic, mechanical, and equipment‑service applications