Bar stud Part # 91213191830/ 9121-319-1830 New old stock part from closed out dealer Fits Stihl 009, 010, 011, 012, 015, 020 chainsaws
bar stud / collar screw part # 00009536605/ 0000-953-6605 New old stock part from closed out dealer Fits Stihl 024, 046, 038, 066, 044, ms660, ms440