This is a quality non genuine self tapping IS-D5x25 screw and is suitable for the 017, 018, 021, 023, 025, 029, 039, MS170, MS180, MS210, MS230, MS250, MS270, MS280, MS290, MS310 & MS390 Stihl chainsaws.
Similar to Stihl Part No: 9075 478 4135
MS Part No: 75113
