... form system 1 aluminum form accessories 2 aluminum form pin&wedge 3 concrete formwork pin&wedge 4 mivan form pin&wedgeOur round, tapered pins ... are heat-treated or long life. Pin,Flat Head Pin Used with flat tie,wedge pin,wedge bolt,wedge to fix the formwork ... Carbon 45 Hot treated HRC 34-42 pin: length 45mm,55mm,57mm,72mm.120mm,132mm,100mm,150mm,195mm ...