Hex Lag Screw, Machine Screw, Hex Socket Cap Screw manufacturer / supplier in China, offering DIN7981 C-H Pan Head Tapping Screw with Cross Recessed M2.9 X 13, DIN7981 C-H Pan Head Tapping Screw with Cross Recessed M4.2 X 9.5, DIN7981 C-H Pan Head Tapping Screw with Cross Recessed M2.9 X 9.5 and so on.
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