Instructions and precautions for using a plum blossom wrench
Jun 24,2025
The two ends of the plum blossom wrench are in a flower ring shape, and its inner hole is formed by two regular hexagons that are concentric and offset by 30 degrees from each other. Many plum blossom wrenches have elbows, with common angles ranging from 10 ° to 45 °. From a side view, the rotating bolt and handle parts are offset.
Usage:
When using a wrench, it is common for the nut to be damaged or the thread to break due to excessive force,
Suggest selecting the appropriate wrench based on the size of the bolt
Different methods of applying force
Bolt size and force application method:
Use finger force below M6; Use wrist strength below M6 to M10;
Use elbow force below M10 to M14;
Use arm strength below M14 to M20;
Use full body strength above M20;
Note: Metric bolt sizes are expressed in M,
M10 indicates a bolt outer diameter of 10mm
Precautions for use: When rotating, it is strictly prohibited to insert an extended pipe on the wrench to extend its length and increase torque. It is also strictly prohibited to tap the wrench to increase torque, otherwise it may cause damage to the tool.
It is strictly prohibited to use a ring wrench with cracks and severely worn inner holes.
Shandong Henton Tools
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