Description
Overview:
The Spline Screw IS‐M6x20 (part no. 9022 319 1300) is a genuine Stihl fastener designed for secure assembly on Stihl MS 311 and MS 391 chainsaws. Manufactured from durable metal and finished to a high standard, it uses an internal spline drive to allow positive engagement and reliable tightening. The M6 thread and 20 mm length suit a range of chassis and cover fixings where a compact, strong fastener is required. Built for regular service conditions and outdoor use, it helps keep components aligned and secure under vibration and load. As a Genuine Stihl part, it fits correctly first time and supports long-term machine reliability with minimal fuss. Dimensions: M6 × 20 mm.
Key Features:
- Genuine Stihl part for correct fit and dependable performance
- Internal spline drive for secure torque transfer and reduced cam‐out
- M6 × 20 mm size suits common assembly points on the saw
- Robust metal construction for strength and longevity
- Designed to hold fast under vibration typical of chainsaw use
- Clean, consistent threads for smooth installation and removal
- Compatible with standard spline drivers used in workshop and field
- Suitable for routine maintenance and part replacement without modification
Typical Applications:
General fastening on Stihl MS 311 and MS 391 chainsaws, including covers, housings, brackets, and other assemblies that require an M6 fastener. Ideal for repairs, scheduled maintenance, and replacing worn or missing screws to restore structural integrity and safe operation in forestry, landscaping, and farm environments.
Also known as:
Internal spline screw, spline drive machine screw, M6 × 20 fastening screw, metric machine bolt, M6 fastener, assembly screw, fixing screw.
Fits Models:
MS 311, MS 391, MS311, MS391
Alternate Part Numbers:
9022-319-1300, 90223191300
