DINENISO4032DIN934Hexagonnuts,style1-ProductgradesAandB(ISO:4032:1999)1型六角螺母GB/T6170-2000DINENISO4033Hexagonnuts,style2-ProductgradesAandB(ISO:4033:1999)2型六角螺母GB/T6175-2000DINENISO4034DIN555Hexagonnuts-ProductgradeC(ISO4034:1999)六角螺母C级GB/T41-2000DINENISO4035DIN439-2Hexagonthinnuts(chamfered)-ProductgradeAandB(ISO4035:1999)六角薄螺母GB/T6172.1-2000DINENISO4036DIN439-1Hexagonthinnuts-ProductgradeB(unchamfered)(ISO4036:1999)六角薄螺母无倒角GB/T6174-2000DINENISO8673DIN934|DIN971-1Hexagonnuts,style1,withmetricfinepitchthread-ProductgradesAandB(ISO8673:1999)1型六角螺母细牙GB/T6171-2000DINENISO8674DIN971-2Hexagonnuts,style2,withmetricfinepitchthread-ProductgradesAandB(ISO8674:1999)2型六角螺母细牙GB/T6176-2000DINENISO8675DIN439-2Hexagonthinnutswithmetricfinepitchthread-ProductgradesAandB(ISO8675:1999)六角薄螺母细牙GB/T6173-2000)