Slip nuts: Standard:JIS,BS,ANSI,DIN Material:FE,COPPER,AL,SUS Model:M3,M4,M5,M8,M10 Shape:K nuts,hex nuts Slip nutsThe specification of screw thread:3The external diameter:6mmAdvantages:good quality,good service,large production,timely delivery,competitive priceWe can also supply according to buyer sample or drawing of picture