This standard specifies the types, dimensions, and technical conditions of welded studs. This standard applies to automotive welding studs with thread specifications of M5 to M16 and mechanical properties of 4.8.
QC/T 857-2011 Referenced Document
GB/T 196 General purpose metric screw threads--Basic dimensions
GB/T 197 General purpose metric screw threads—Tolerances*, 2018-03-15 Update
GB/T 2 Fasteners.Ends of parts with external thread*, 2016-02-24 Update
GB/T 3098.1 Mechanical properties of fasteners.Blots, screws and studs
GB/T 3103.1 Tolerances for fasteners--Bolts,screws,studs and nuts
GB/T 5779.1 Fasteners-Surface discontinuities-Bolts,screws and studs for general requirements