Chandawalla Auto Industries Provides Castle Nuts these nuts are fitted on the bolts such that cotter pin passes through the slot and the hole on the bolt for tightening & locking purpose.
Specifications :
Standard : din 935, din 937
Material : Mild Steel, EN 8/AISI 1035, EN 8d/AISI 1045
ISO property class : 5, 8, 10
Thread : I.S.O. Metric (fine & rough), UNF / UNC, BSF / BSW
Surface Treatment : Auto black, Clear / Yellow Zinc Electroplated, Dacromet, Geomet, Black Oxide, Hot Dip Galvanized