Anchor Bolt Series

Unthreaded part stem diameter approximately equal to the thread pitch diameter or big diameterAccording to provisions of GB/T2 terminal

D=M20 thread specifcation,nomina lengthI=400 mm, performance Level of3.6 and the anchor bolt marker without surface treatment:Bolt M20x40 of GB/T 799

主要尺寸 Main dimensions

公称长度及每1000件钢制品的质量 m(kg)≈ Nominal length land every 1000m(kg)material is the quality of steel products

All above data are length of products.