UNF screws and washers, automotive sector -7/16 UNF x 25 mm kl. 10,9 (steel or zinc plated) hex head for key 17 mm 120 pcs. -7/16 UNF x 25 mm kl. 10,9 (steel or zinc plated) hex head with collar. for key 17 mm 100 pcs. Drawing enclosed Washers according drawing   d-inside=11.2  d-outside 20 and 22 both 100 pcs each