Inquiry no more available, the customer has already passed the order STUD/bolts diameter is 6 mm, the length is not that much important - it may be 15 or it may well be 20 mm. However, what is important: - they cannot be threaded, they have to be without thread - they cannot be 1.4571, they have to be one of the following: 1.4841, 1.4845, 1.4828 (310, 310S, 309) The amount required is 30 thousand.