S t andar d Solar F as t ener s F or fas t ening wit h cor r ugat ed or tr apezoidal shee t r oofng S t ainless s t eel A270 Thr ead dia d Size in mm L in mm Me tr ic t hr ead lengt h in mm Thr ead lengt h in w ood in mm Ar t N o Qty M10 7 180 100 60 0865 710 180 50 7 200 110 70 0865 710 200 50 7 250 130 80 0865 710 250 50 7 300 140 100 0865 710 300 50 M12 9 250 130 100 0865 712 251 50 9 300 140 100 0865 712 301 50 9 350 180 130 0865 712 351 50 p ref abri C a te D t ype 1 Pr ef abr icat ed wit h 1 x EPDM seal 3 x he x agon nut DIN 934 s t ainless s t eel A2 3 x w asher DIN 125 s t ainless s t eel A2 Thr ead dia d Size in mm L in mm Me tr ic t hr ead lengt h in mm Thr ead lengt h in w ood in mm Ar t N o Qty M10 7 180 100 60 0865 810 180 50 7 200 110 70 865810200 50 7 250 130 80 865810250 25 M12 9 250 130 100 0865 812 251 25 9 300 140 100 0865 812 301 20 9 350 180 130 0865 812 351 20 Thr ead dia d Size in mm L in mm M e tr i c t hr ead l engt h in mm Thr ead l engt h i n w ood in mm Ar t N o Qty M10 7 180 100 60 0865 910 180 50 7 200 110 70 0865 910 200 50 7 250 130 80 0865 910 250 25 M12 9 250 130 100 0865 912 251 25 9 300 140 100 0865 912 301 20 p ref abri C a te D t ype 2 Pr ef abr icat ed wit h 1 x EPDM seal 3 x selfloc king nut similar t o DIN 6923 s t ainless s t eel A2 S tu D SC rew S W it h e xt er nal he x agon t ip W e r ecommend t he f ollo wing pr ocedur e f or mounting t he s tud scr e w s S tud scr e w s Pr edr illing r oof skin Pr edr illing w ood M10 13 mm dia 7 mm dia M12 14 mm dia 85 mm dia In or der t o ac hie v e additional pr o t ection ag ains t mois tur e t he s tud scr e w s mus t alw ay s be mount ed on t he pr o tr usions of t he cor r ugat ed pr ofle shee ts The mounting of t he s tud scr e w s should alw ay s t ak e place in per pendicular alignment t o t he r oof slope 48 Solar Mounting Syt em