Hairich manufactures precision torque wrenches and automotive tools, offering mechanical and digital options for accurate torque application in vehicle and bicycle maintenance.
Hairich is a manufacturer of precision measuring tools, specializing in high-quality torque wrenches designed for automotive, motorcycle, and bicycle repair. The brand's product portfolio includes 1/4-inch, 3/8-inch, and 1/2-inch drive click torque wrenches, as well as advanced digital models.
Hairich tools are engineered to deliver precise torque values ranging from low-torque bicycle applications to heavy-duty automotive work, helping mechanics and DIY enthusiasts ensure fasteners are tightened to manufacturer specifications. With features like dual-range scales (Nm and ft-lb), durable construction, and calibration for accuracy, Hairich aims to prevent mechanical failures caused by under or overtightening.
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To set the torque, pull back the locking collar to unlock the handle. Rotate the handle until the main and supplementary graduations align with your desired torque value, then release the collar to lock the setting in place.
It is recommended to verify the calibration of your torque wrench once a year or after every 5,000 cycles to ensure continued accuracy.
When storing the wrench for an extended period, reset the torque graduation to the lowest setting to relieve spring tension. Keep the tool in a dry place and apply rustproof oil if necessary.
When the preset torque value is reached, the wrench will emit a distinct 'click' sound and you will feel a pulse in the handle. Stop pulling immediately to avoid overtightening.