50 solar fixing hanger bolts incl. DIN 6923+EPDM A2 M12X400

Hanger bolts stainless steel A2, assembled with 3 serrated flange nuts DIN 6923 A2 M12 and 1 pcs EPDM-sealing washer 50 pcs M12X400 Metric thread: 220mm Wood thread: 100mm - with hexagon SW 9