Half round head square neck bolt: it is to embed the square neck of the head into the groove of the connector, reduce the height of the protruding surface, and tighten the screw from the opposite side;
Its multi-purpose is in force not big place, so the material is softer.
Material: 1006 wire, 1008 wire, SCM435, 10B21, stainless steel 304, stainless steel 316L, etc.
Specifications: 3mm-100mm, length can be customized according to their own needs.
Hardened grade: 4.8, 8.8, 10.9, 12.9, etc.
Surface treatment: galvanized, oxidized black, natural color, etc.
PE bag (or copy paper independent packaging) + carton packaging shipping.
Tiansheng has been developing and producing fasteners professionally for 12 years. You are welcome to customize the fasteners by drawing/sample.