| 摘要 |
DOUBLE FLUSH CLINCH STUD 5 ACLIIICLI-TYL)CI'ASTCJICRF'ORJOIIIIIIGP,IRALLEI SLICEISLI@I@,III-,ALIGIIEDAL)EILUICSCOIIIL)I-ISIIIGISLIIIIK HAVING A HEAD AT ONE END AND -IN ENDCAP AT THE OPPOSITE END. THE LICAD BEING A FIRST DISPLACER, A TOP SURFACE, AND BEING OT'THE LARGEST DIAMETER OFILIE FASTENER. A FIRST UNDERCUT GROOVE ON THE SHANK IS LOCATED IMMEDIATELY BELOW THE FIRST DISPLACER HAVING A FIRST DIAMETER AND A SECOND 10 DISPLACCR ON THE SHANK LOCATED IMMEDIATELY BELOW THE FIRST UNDERCUT GROOVE HAVING A SECOND DIAMETER LESS THAN THE FIRST DIAMETER. A SECOND UNDET-CLIT GROOVE ON THE SHANK IS LOCATED INURIEDIATCLY BELOW THE SECOND DISPLACER, AND THE ENDCAP IS LOCATED IMMEDIATELY BELOW (LIE UNDERCUT GROOVE AND IS OFLESSER DIAMETER THAN THE SECOND DISPLACER. ]'LIE CASTENER PRELERABLY INCLUDES OPPOSING PLANAR CIF-CLILAR TOP AND BO(TOM SUFFACES. 1 5
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