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For standoff locating use in 6-18 layer printedcircuit board(PCB).
Base material are made of import special copper Smooth.
TOLERANCE: +0.01mm/-0.015mm。
SPECIFICATION: Base diameter (a) :Φ5.5
Height(b) :1.7 2.0 2.3 2.5 2.7 3.0 3.2 3.4 3.7 4.0etc
Diameter© :Φ3.175