Products tagged with Serrated Flange Bolts HDG
DIN6921 HDG flange bolts integrate an integral washer to cut solar installation time by 25%, with smooth or anti-vibration serrated bottom options. Zinc coating ≥45μm supports 25-year outdoor anti-corrosion, compatible with aluminum solar rails without galvanic corrosion. Matched overtapped DIN6923 flange nuts ensure smooth assembly. Centrifugal treatment protects serrations; moisture-proof carton & pallet export packaging, custom oversized flanges available.
