... Size: M3-M22 Standard NO.: DIN933,DIN931,DIN934 Material:: Carbon steel,stainless steel Grade: 4.8-12.9 Finish: zinc,black,chrome,nickel ... big Minimum Order Quantity: More than 50MPCS Shipment Port: SHANGHAI OR NINGBO Delivery Time: The fastest 20-30days,According to the ... ).Aiming at mutual benefits, we manage to provide our customers with the highest quality, the best service and the most reasonable ...