The Powerset Torque Wrench 1/2inDR (Draper Tools Group D, DR34487) is a 1/2-inch square drive, click-type torque wrench designed to apply a predetermined torque to fasteners. Its primary use is to tighten bolts and nuts to specified torque values in repeatable, controlled steps—essential where correct clamp load is critical, for example on engine cylinder heads, suspension components and structural assemblies.

Manufactured from chrome vanadium (Cr-V) steel with a polished chrome plated finish for corrosion resistance, the wrench features a reversible ratchet head with a 1/2" square drive and a fine-tooth mechanism (typically 72 teeth) that provides a small swing arc for use in confined spaces. The torque-setting mechanism is a calibrated micrometer adjuster with a locking sleeve to secure the set torque. The tool is produced to conform with BS EN ISO 6789 (BS/ISO 6789) requirements for hand torque tools and offers an accuracy of ±4% in the clockwise direction when used within its calibrated range. Thread type for sockets is the standard 1/2" square drive fitting used across workshop socket ranges.

Typical applications include automotive repair and servicing, agricultural machinery maintenance, light engineering, plant and machinery assembly, and workshop general maintenance where repeatable torque is required. It is suited to both professional technicians and workshop use where ISO/BS traceability and repeatability are important.

Key benefits include durable corrosion-resistant finish, the strength and toughness of chrome vanadium construction, and compatibility with the extensive 1/2" socket range found in most toolkits. The ratchet head and fine tooth count improve accessibility in tight areas, while the audible and tactile click on reaching the set torque provides clear feedback to the operator. The locking sleeve prevents accidental torque changes during use, aiding consistent tightening.

Duchy Fasteners stocks the Powerset Torque Wrench 1/2inDR in a range of common torque bands and pack quantities; please check availability for specific torque ranges and whether a calibration certificate is required. Replacement sockets and accessories for 1/2" drives are also available.