Inquiry no more valid, the customer has already fulfilled the order Round head square neck bolts UNI 5731/DIN 603 M14x37 or M14x40 Pitch 1,5 Steel 8.8 or 10.9 1000 pcs. Self locking hexagon nuts with non-metallic insert UNI 7473 M14 Pitch 1.5 Steel 8 1000 pcs.