{"product_id":"collar-nut-m14x1-5-l-h-thread","title":"Collar nut M14x1.5 l\/h thread","description":"\u003ch1\u003eSTIHL Collar Nut M14 x 1.5 LH\u003c\/h1\u003e\n\n\u003cp\u003eThe STIHL Collar Nut M14 x 1.5 with left-hand thread is a genuine STIHL replacement fastener designed to securely retain cutting attachments on compatible STIHL brushcutters and clearing saws. Built from durable steel with a protective finish, this flanged collar nut is engineered to deliver dependable clamping force while resisting loosening under the high-speed rotation and vibration associated with professional vegetation cutting equipment.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for use on rotating shaft assemblies, the left-hand thread matches the direction of rotation to help maintain secure attachment retention during use. Ideal for routine servicing, blade changes or replacing worn or missing hardware, this genuine STIHL collar nut helps restore safe, correct and reliable attachment mounting on compatible FS series machines.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGenuine STIHL collar nut for brushcutters and clearing saws\u003c\/li\u003e\n  \u003cli\u003eM14 x 1.5 left-hand thread for correct OEM fitment\u003c\/li\u003e\n  \u003cli\u003eDesigned to secure cutting attachments to the gearbox output shaft\u003c\/li\u003e\n  \u003cli\u003eDurable steel construction for long service life\u003c\/li\u003e\n  \u003cli\u003eProtective finish for improved durability\u003c\/li\u003e\n  \u003cli\u003eCollar \/ flanged face helps spread clamping load evenly\u003c\/li\u003e\n  \u003cli\u003eHelps reduce marking of hubs and mounting components\u003c\/li\u003e\n  \u003cli\u003eLeft-hand thread helps resist loosening in service\u003c\/li\u003e\n  \u003cli\u003eHex profile for easy installation with a standard spanner\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for worn, damaged or missing original nut\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDesigned for Secure Cutting Attachment Retention\u003c\/h2\u003e\n\u003cp\u003eThe STIHL Collar Nut M14 x 1.5 LH is designed to keep metal blades and compatible cutting attachments securely fixed to the machine during use. Its left-hand thread is specifically matched to the rotational forces generated during operation, helping maintain reliable retention under vibration and load.\u003c\/p\u003e\n\n\u003ch2\u003eDurable Construction for Professional Use\u003c\/h2\u003e\n\u003cp\u003eManufactured from robust steel, this genuine STIHL blade retaining nut is designed to withstand the repeated stress and mechanical demand of professional brushcutting and clearing saw applications. The integrated collar face also helps distribute clamping pressure more evenly across the mounted components for a more stable and protective fit.\u003c\/p\u003e\n\n\u003ch2\u003eCompatibility and Application\u003c\/h2\u003e\n\u003cp\u003eThis STIHL left-hand collar nut is typically used to secure blades or mowing heads to the gearbox spindle during blade changes, routine servicing and repair work. Also commonly referred to as a left-hand hex nut, blade retaining nut, flanged nut or arbor nut, it is a key replacement fastener for maintaining correct assembly and safe machine operation.\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; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n    \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eDetails\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eProduct Name\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eSTIHL Collar Nut M14 x 1.5 LH\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eThread Size\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eM14 x 1.5\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eThread Direction\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eLeft-hand (LH)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eProduct Type\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eCollar nut \/ blade retaining nut\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eMaterial\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eSteel\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eFinish\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eProtective finish\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eProfile\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eHex with integrated collar \/ flange\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eTypical Use\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eSecuring blades or cutting attachments to gearbox shaft\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eAlternate Part Numbers\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003e4116-642-7601, 41166427601\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Models\u003c\/h2\u003e\n\u003cp\u003eFits selected STIHL brushcutter and clearing saw models including:\u003c\/p\u003e\n\u003cp\u003eFS 360, FS 360 C, FS 410 C, FS 420, FS 420 L, FS 490 C, FS 500, FS 510 C, FS 550, FS 550 L, FS 560 C.\u003c\/p\u003e\n\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSecuring brushcutter blades and cutting attachments\u003c\/li\u003e\n  \u003cli\u003eRoutine servicing and maintenance\u003c\/li\u003e\n  \u003cli\u003eReplacing lost or worn attachment nuts\u003c\/li\u003e\n  \u003cli\u003eProfessional landscaping and grounds maintenance\u003c\/li\u003e\n  \u003cli\u003eForestry clearing and site preparation work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBest For\u003c\/h2\u003e\n\u003cp\u003eThe STIHL Collar Nut M14 x 1.5 LH is best for users maintaining compatible STIHL brushcutters and clearing saws who need a genuine OEM fastener for safe and reliable cutting attachment retention.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose STIHL Collar Nut M14 x 1.5 LH?\u003c\/h2\u003e\n\u003cp\u003eUsing a genuine STIHL collar nut helps ensure the correct thread, clamping force and secure fit required for high-speed cutting applications. It is a small but essential OEM part for maintaining safe operation and protecting the attachment system on your STIHL machine.\u003c\/p\u003e","brand":"Stihl","offers":[{"title":"Default Title","offer_id":57632868434294,"sku":"ST-4116 642 7601","price":3.67,"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\/products\/collar-nut-m14x1-5-l-h-thread","provider":"Gustharts","version":"1.0","type":"link"}