Ristkülikulised torukorgid ja avakatted

Ristkülikulise toru/ava sisse

irch1 IRCH2 IRCH3 IRCH4 IRCH5 IRCH6
IRCH7 IRCH8 IRCH9      

Ristkülikulise toru peale

ORE1 ORE2 ORE3 ORE4                                                          

Ristkülikulisele torule keermega otsakorgid

WTHRC1 WTHRC2 WTHRC3 WTHRC4 WTHRC5 WTHRC6
WTHRC7 WTHRC8