{"product_id":"spline-screw-is-m5x20","title":"Spline Screw IS-M5x20 MS651, MS661","description":"\u003ch1\u003eSTIHL Spline Screw IS-M5x20-12.9 – High-Tensile OEM Fastener (9022 399 1020)\u003c\/h1\u003e\n\n\u003cp\u003eThis genuine STIHL Spline Screw IS-M5x20-12.9 (OEM No. 9022 399 1020) is a high-strength fastener engineered for securing critical components on professional chainsaws and cut-off saws. Manufactured from high-tensile alloy steel to strength class 12.9, it is designed to withstand heavy loads and continuous vibration in demanding environments.\u003c\/p\u003e\n\n\u003cp\u003eWith a metric M5 x 20 size, this screw provides a precise and compact fixing solution for assemblies requiring maximum strength and reliability. The internal spline drive ensures secure tool engagement, reducing cam-out and enabling accurate torque application during installation and servicing.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGenuine STIHL OEM part for precise fit and performance\u003c\/li\u003e\n  \u003cli\u003eOEM part number 9022 399 1020 (also 9022-399-1020)\u003c\/li\u003e\n  \u003cli\u003eHigh-tensile alloy steel construction – strength class 12.9\u003c\/li\u003e\n  \u003cli\u003eM5 x 20 mm size for compact, high-strength assemblies\u003c\/li\u003e\n  \u003cli\u003eInternal spline drive for secure torque transfer\u003c\/li\u003e\n  \u003cli\u003eDesigned for high-vibration and high-load environments\u003c\/li\u003e\n  \u003cli\u003eDurable finish for wear resistance during repeated servicing\u003c\/li\u003e\n  \u003cli\u003ePrecision threads for consistent tightening and clamp load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDesigned for High-Load Fastening\u003c\/h2\u003e\n\u003cp\u003eThis spline screw is engineered to maintain secure assemblies under extreme conditions, helping prevent loosening and ensuring consistent alignment of critical components during operation.\u003c\/p\u003e\n\n\u003ch2\u003eDurable OEM Construction\u003c\/h2\u003e\n\u003cp\u003eManufactured to STIHL’s exact specifications, the screw offers exceptional strength, fatigue resistance and durability, making it ideal for professional-grade machinery.\u003c\/p\u003e\n\n\u003ch2\u003eCompatibility and Application\u003c\/h2\u003e\n\u003cp\u003eThis fastener is used across a range of STIHL professional chainsaws and cut-off saws. It is commonly replaced during servicing or repairs where a high-strength M5 fixing is required.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; border:1px solid #ddd; text-align:left; font-size:14px;\"\u003e\n  \u003ctr\u003e\n    \u003cth style=\"border:1px solid #ddd; padding:10px;\"\u003eSpecification\u003c\/th\u003e\n    \u003cth style=\"border:1px solid #ddd; padding:10px;\"\u003eDetails\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eProduct Name\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eSTIHL Spline Screw IS-M5x20-12.9\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eOEM Part Number\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003e9022 399 1020\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eAlternate Part Numbers\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003e9022-399-1020, 90223991020\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eThread Size\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eM5\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eLength\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003e20 mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eStrength Class\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003e12.9\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eDrive Type\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eInternal spline\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eMaterial\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eHigh-tensile alloy steel\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Models\u003c\/h2\u003e\n\u003cp\u003eFits STIHL models including:\u003c\/p\u003e\n\u003cp\u003eMS 362, MS 362 C, MS 400 C, MS 500i, MS 651, MS 661, MS 661 C, MS 881, TS 480i, TS 500i, TSA 300.\u003c\/p\u003e\n\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eProfessional chainsaw and cut-off saw maintenance\u003c\/li\u003e\n  \u003cli\u003eReplacing high-strength fasteners in critical assemblies\u003c\/li\u003e\n  \u003cli\u003eSecuring engine covers, housings and structural components\u003c\/li\u003e\n  \u003cli\u003eWorkshop servicing and field repairs\u003c\/li\u003e\n  \u003cli\u003eMaintaining safe and reliable machine operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBest For\u003c\/h2\u003e\n\u003cp\u003eThe STIHL Spline Screw IS-M5x20-12.9 is best for professional users who require a high-strength, OEM fastener for critical, high-load applications.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose the STIHL Spline Screw IS-M5x20-12.9?\u003c\/h2\u003e\n\u003cp\u003eChoosing a genuine STIHL high-tensile fastener ensures correct fit, strength and durability. It is essential for maintaining the integrity, safety and performance of professional-grade equipment.\u003c\/p\u003e","brand":"Stihl","offers":[{"title":"Default Title","offer_id":57724382019958,"sku":"ST-9022 399 1020","price":0.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/6603\/1348\/files\/STIHL_genuine_spares_from_authorised_dealer.png?v=1775040092","url":"https:\/\/www.gustharts.com\/ja\/products\/spline-screw-is-m5x20","provider":"Gustharts","version":"1.0","type":"link"}