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Meets Aerospace Specification AS 954: Ensures accurate torque/tension relationship for precision applications
Driver Shafts: 3 × 1/4" magnetic hex shafts (short
High-Temperature Durability: Designed to withstand repeated ignition cycles
50 45 BPS oil nozzles are engineered for high-capacity oil-fired burners requiring variable firing rates with precise flow control
Wrench Head Square Drive Torque Heavy Duty - Wrench Meets Aerospace Specification AS 954:Williams Square Drive Torque Wrench Head Heavy Duty (QYSD16A) The Williams QYSD16A Square Drive Torque Wrench Head is engineered for demanding torque applications where accuracy and durability are essential. Built with a robust square drive interface, this head is ideal for connecting to torque multipliers, torque wrenches, and other Williams interchangeable torque systems. Designed for professional technicians, it delivers consistent, repeatable
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