Product Description
The STIHL 9022 341 1090 Spline Screw (IS-M5x40x25) is a genuine OEM fastener built for structural fastening in STIHL equipment. With a total length of 40mm and a 25mm unthreaded shoulder, this M5 spline screw is ideal for deep-set or alignment-critical applications where a combination of shear strength and guided assembly is required.
Key Features
✅ OEM Part Number: 9022 341 1090
✅ IS specification: M5 thread, 40mm overall length, 25mm unthreaded shoulder
✅ Spline (internal multi-tooth) drive for maximum torque engagement
✅ Precision-machined threads and shoulder for accurate fitment
✅ Made from high-strength steel for professional-grade performance
Benefits
✔️ Superior Alignment – 25mm unthreaded shoulder acts as a guide for precise component positioning
✔️ High Load Tolerance – Ideal for structural or stress-bearing fastenings
✔️ Anti-Cam-Out Drive – Spline design prevents stripping under torque
✔️ Efficient Installation – Designed for repeatable, secure tightening in high-vibration environments
✔️ Lasting Durability – Retains fastening strength even under repetitive use and engine vibration
What It’s Used For
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Connects deep or multi-part components where alignment and strength are critical
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Used in engine cases, clutch assemblies, or structural mounts
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Replaces long-reach spline screws to restore OEM performance
Compatible With:
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Various STIHL equipment assemblies (verify with STIHL parts diagram for correct use)
