Drawn arc weld stud MD type - full thread ISO 13918 MD- steel SS-MD -stainless steel
Drawn arc weld stud RD type - reduced shaft ISO 13918 RD- steel SS-RD -stainless steel
Drawn arc weld stud ID type - Internal thread ISO 13918 ID- steel SS-ID -stainless steel
Drawn arc weld stud UD type - NO thread ISO 13918 UD- steel SS-UD -stainless steel