行业标准

QC/T 877-2011.Hexagon flange head tapping screws for plastic.1范围QC/T 877规定了塑料用六角法兰面自攻螺钉的型式与尺寸、技术条件。QC/T 877适用于螺纹规...

QC/T 876-2011.Hexagon collar head tapping screws for plastic.1范围QC/T 876规定了塑料用六角凸缘自攻螺钉的型式与尺寸、技术条件。QC/T 876适用于螺纹规格...

QC/T 875-2011.Hexalobular socket pan head self drilling screws with tapping screw thread.1范围QC/T 875规定了内六角花形盘头自钻自攻螺钉的型式与尺寸、技术条件...

QC/T 874-2011.Hexalobular socket countersunk head self drilling screws with tapping screw thread.1范围QC/T 874规定了内六角花形沉头自钻自攻螺钉的型式与尺寸、技...

QC/T 873-2011.Hexalobular socket raised countersunk (ovaI) head self drilling screws with tapping screw thread.1范围QC/T 873规定了内六角花形半沉头自钻自攻螺钉的型...

QC/T 872-2011.Hexagon weld nuts with flange.1范围QC/T 872规定了焊接六角凸缘螺母的型式与尺寸、技术条件。QC/T 872适用于与螺纹规格为M5~M16和M10x1.25~...

QC/T 871-2011.Double end studs-bm=2d.1范围QC/T 871规定了双头螺柱bm=2d的型式与尺寸、技术条件。QC/T 871适用于旋人基体端为过渡配合螺纹,旋人螺母端...

QC/T 870-2011.Double end studs-bm =1.25d.1范围QC/T 870规定了双头螺柱bm=1.25d的型式与尺寸、技术条件。QC/T 870适用于旋人基体端螺纹为普通粗牙螺纹、...

QC/T 869-2011.Short-cycle drawn arc welding studs.1范围QC/T 869规定了短周期弧焊焊接螺柱的型式与尺寸、技术条件。QC/T 869适用于螺纹规格为M3~M10,机械性...

QC/T 868-2011.Plastic hexagon nuts.1范围QC/T 868规定了塑料六角螺母的型式与尺寸、技术条件。QC/T 868适用于螺纹规格为M3 ~ M16的汽车用塑料六角螺母...