1.GB/T2-紧固件外螺纹零件未端------------------------------------2.GB/T．2-紧固件沉头用沉孔----------------------------------------3.GB/T．3-紧固件圆柱头用沉孔--------------------------------------4.GB/T．4-紧固件六角头螺栓和六角螺母用沉孔------------------------5.GB/T-紧固件螺栓和螺钉通孔------------------------------------二螺栓6.GB/T8-方头螺栓C级---------------------------------------------7.GB/T37-T形槽用螺栓----------------------------------------------8.GB/T-地脚螺栓--------------------------------------------------9.GB/T-六角头螺栓C级-------------------------------------------10.GB/T-六角头螺栓全螺纹C级-----------------------------------11.GB/T-六角头螺栓-----------------------------------------------12.GB/T-六角头螺栓全螺纹----------------------------------------三螺柱13.GB/T-双头螺柱bm=1d------------------------------------------14.GB/T-双头螺柱bm=1.25d----------------------------------------15.GB/T-双头螺柱bm=15d------------------------------------------16.GB/T-双头螺柱bm=2d-------------------------------------------17.GB/T-等长双头螺柱正B级---------------------------------------18.GB/T-等长双头螺柱C级-----------------------------------------四螺母19.GB/T41-六角螺母C级---------------------------------------------20.GB/T56-六角厚螺母-----------------------------------------------21.GB/T-小圆螺母-------------------------------------------------22.GB/T-圆螺母---------------------------------------------------23.GB/T-Ⅰ型六角螺母---------------------------------------------24.GB/T．1-六角薄螺母-----------------------------------------------25.JB/T-吊环螺母-------------------------------------------------五螺钉26.GB/T70．1-内六角圆柱头螺钉-----------------------------------------27.GB/T71-开槽锥端紧定螺钉-----------------------------------------28.GB/T72-开槽锥端定位螺钉-----------------------------------------29.GB/T73-开槽平端紧定螺钉-----------------------------------------30.GB/T74-开槽凹端紧定螺钉-----------------------------------------31.GB/T75-开槽长圆柱端紧定螺钉-------------------------------------32.GB/T77-内六角平端紧定螺钉---------------------------------------33.GB/T78-内六角锥端紧定螺钉---------------------------------------34.GB/T79-内六角圆柱端紧定螺钉-------------------------------------35.GB/T80-内六角凹端紧定螺钉---------------------------------------36.GB/T-吊环螺钉-------------------------------------------------六组合件连接副37.GB/T．1-螺栓或螺钉和平垫圈组合件---------------------------------38.GB/T．15-六角头螺栓和平垫圈组合件----------------------------------39.GB/T．17-六角头螺栓和弹簧垫圈及平垫圈组合件------------------------40.GB/T．26-组合件用弹簧垫圈------------------------------------------41.GB/T．27-组合件用外锯齿锁紧垫圈------------------------------------七木螺钉及自攻螺钉（略）八销42.GB/T91-开口销-----------------------------------------------------43.GB/T-圆锥销-----------------------------------------------------44.GB/T．1-圆柱销不淬硬钢和奥氏体不锈钢------------------------------45.GB/T．2-圆柱销淬硬钢和马氏体不锈钢--------------------------------46.GB/T．1-内螺纹圆柱销不淬硬钢和奥氏体不锈钢-------------------------47.GB/T．2-内螺纹圆柱销淬硬钢和马氏体不锈钢---------------------------48.GB/T．1-弹性圆柱销直槽重型---------------------------------------49.GB/T．2-弹性圆柱销直槽轻型---------------------------------------50.GB/T．3-弹性圆柱销卷制重型---------------------------------------51.GB/T．4-弹性圆柱销卷制标准型-------------------------------------52.GB/T．5-弹性圆柱销卷制轻型---------------------------------------53.GB/T-螺尾锥销---------------------------------------------------九铆钉54.GB/T-标牌用铆钉-------------------------------------------------十垫圈及档圈55.GB/T93-标准型弹簧垫圈---------------------------------------------56.GB/T95-平垫圈C级-------------------------------------------------57.GB/T97．1-平垫圈A级-------------------------------------------------58.GB/T97．4-平垫圈用于螺钉和垫圈组合-----------------------------------59.GB/T-小垫圈A级-------------------------------------------------60.GB/T-外舌止动垫圈-----------------------------------------------61.GB/T-圆螺母用止动垫圈-------------------------------------------62.GB/T-轴肩挡圈---------------------------------------------------63.GB/T．1-孔用弹性挡圈A型-------------------------------------------64.GB/T．2-孔用弹性挡圈B型-------------------------------------------65.GB/T．1-轴用弹性挡圈A型-------------------------------------------66.GB/T．2-轴用弹性挡圈B型-------------------------------------------67.GB/T．1-孔用钢丝挡圈-----------------------------------------------68.GB/T．2-轴用钢丝挡圈-----------------------------------------------69.GB/T-钢丝锁圈---------------------------------------------------十一焊钉