DIN - 931

DIN - 6928

Self-tapping screw with hexagonal head and sheet metal thread

DIN - 933

DIN - 7981

Self-tapping screw for sheet metal with groove

DIN - 960

DIN - 7982

Self-tapping screw with countersunk head for sheet metal

DIN - 961

DIN - 7983

For sheet with cross groove, countersunk head and tallow drop

DIN - 6921

DIN - 7500-C

Self tapping trilobular screw with cylindrical head

EN - 14399/4

DIN - 7500-M

Self tapping trilobular screw with flat countersunk head

EN - 15048

DIN - 7500-D

Trilobular hexagonal headed screw with flange

EN - 15048

DIN - 7500-E

Multi-Stage Head Self-tapping Screw

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