Tensile strength test after the steel wire screw is inserted into the substrate
Test 1. The tensile strength of m2 * 0.4 installed in the wire nut and m6 * 1 not installed in the wire nut are the same. It can be seen that the tensile strength can be increased by 3-5 times after inserting the steel wire screw sleeve.
Test two: The cast iron base is fitted with a steel screw sleeve, and its screw is tested for vertical tension. The tensile strength of the thread is greater than the strength of the screw itself, the screw is broken, and the thread is not damaged. (See the picture below for details)
The value of wire screw sleeve products is to improve thread accuracy and enhance thread tensile strength; the use of wire screw sleeves can completely improve the thread strength of the product
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