stainless steel fasteners,carriage bolts 1.M6.M8,M10,M12 2.Tolenrance: 6g 3.Level:A 1.Standard __DIN,JIS,ISO,GB,BSW,etc.2.Production range_3.metric size_M6 -M124.length_12MM-150MM5 Dia.meter_1/4"-1/2"6.length_1/2"-5" DIN603 M1.6-M10 Stainless steel fastener- Carriage bolts