Shop online to save big on gunsmithing torque wrenches, torque screwdrivers, and torque drivers at OpticsPlanet. From scope mounting to handguard installation, these essential gunsmithing tools ensure you apply consistent, measured torque to screws, bolts, and fasteners on firearms. We carry a wide variety of torque wrenches and complete torque wrench kits from Fix It Sticks, Wheeler Engineering, and other top gunsmithing brands to provide you with the best torque wrench for your workbench. For a simplified DIY gunsmithing experience, try a digital torque wrench that provides real-time torque values and improved accuracy for quicker and more precise adjustments.![]()
The 20% rule for torque wrenches, also known as the 20-80 rule, states that a torque wrench is most accurate between 20% to 80% of its total torque range. Using it at below 20% can result in under-torquing while using it above 80% can overstress the internal components.
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