Washer inside the rectangle

Automatic Foursquis HEAD SELF TAPPING SCREWS DIN7983

Automatic Foursquis HEAD SELF TAPPING SCREWS DIN7983

Half -Half of the Half -Half -Half -Half -Half Bolt Half Bols Din 6914

Hex Hex Hexy Bolts DIN 6914

HEX SOCKET FLAT HeAD DIN 791