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CNC Lathe Parts 
12.9 grade hexagon socket set screw GB/T 78-2007
Dimensions: M1.6-M24
Standard Designation: GB/T 78-2007
Head Style: Hexagon socket
GB/T 78-2007
Set screws are also called support screws and positioning screws. They are a type of screw used to fix the relative position of machine parts.
