stud bolts meaning in English

螺椿栓
螺桩栓

Stud bolts - part 2 : metric interference thread mfs
螺栓.第2部分:公制干涉螺纹mfs
Type , dimensions and specifications of pn 250 mpa stud bolts
Pn250mpa双头螺柱型式尺寸和技术条件
Stud bolts - part 1 : metric thread
螺栓.第1部分:米制螺纹
Type , dimensions and specifications of pn 250 mpa stud bolts at boss
Pn250mpa阶端双头螺柱型式尺寸和技术条件
Compression fixation with small incision steel plate and stud bolt for calcaneal fractures
小切口钢板螺栓加压内固定治疗跟骨骨折