Please leave us a message about the screw size for 2020 aluminum profiles when ordering, M3? M4? or M5? Or we will ship the m5 T slot nuts as default.
Material: S45c Zinc Coated Steel
Screw: m3, m4 or m5.
Applications: for 2020 aluminum profiles
Package: 60 pieces/ lot If you need other model profiles nuts, please contact us