![Cotter pin discussion. Which one do you prefer (or required to do) and why? Pro-cons? : r/aviationmaintenance Cotter pin discussion. Which one do you prefer (or required to do) and why? Pro-cons? : r/aviationmaintenance](https://preview.redd.it/cotter-pin-discussion-which-one-do-you-prefer-or-required-v0-7fa5b1uk25ia1.jpg?auto=webp&s=632a653c136aef39b8f9703d9c8af8a95a66a6b0)
Cotter pin discussion. Which one do you prefer (or required to do) and why? Pro-cons? : r/aviationmaintenance
![Correct way to install cotter pins in castle nuts? - Technical - Antique Automobile Club of America - Discussion Forums Correct way to install cotter pins in castle nuts? - Technical - Antique Automobile Club of America - Discussion Forums](https://content.invisioncic.com/r277599/monthly_2019_08/1006184252_cotterpin.jpg.4eed0031e7e9cc71cf51c7eaec3ff0c3.jpg)
Correct way to install cotter pins in castle nuts? - Technical - Antique Automobile Club of America - Discussion Forums
![New front wheel bearing grease retaining cups won't stay in? (Page 2) : MGB & GT Forum : The MG Experience New front wheel bearing grease retaining cups won't stay in? (Page 2) : MGB & GT Forum : The MG Experience](https://www.mgexp.com/phile/1/444654/Cotter_Pin_Install_rev_7_Figure_6.jpg)
New front wheel bearing grease retaining cups won't stay in? (Page 2) : MGB & GT Forum : The MG Experience
![Amazon.com: Cotter Pin Assortment Kit, SpzcdZa 555pcs Steel Cotter Pins Clip Key Fastner Fitting Assortment Kit for Automotive Mechanics Small Engine Repair Mechanics, Car Garage, Power Equipment, Cars, Trucks : Automotive Amazon.com: Cotter Pin Assortment Kit, SpzcdZa 555pcs Steel Cotter Pins Clip Key Fastner Fitting Assortment Kit for Automotive Mechanics Small Engine Repair Mechanics, Car Garage, Power Equipment, Cars, Trucks : Automotive](https://m.media-amazon.com/images/I/514OB6X1eOS.jpg)
Amazon.com: Cotter Pin Assortment Kit, SpzcdZa 555pcs Steel Cotter Pins Clip Key Fastner Fitting Assortment Kit for Automotive Mechanics Small Engine Repair Mechanics, Car Garage, Power Equipment, Cars, Trucks : Automotive
![XBDZR 25 Pcs R Shaped Spring Cotter Pins Fastener Assortment Kit, Zinc Plated Steel Retaining Hair Pin for Hitch Pin Lock System - 5 Sizes: Amazon.com: Industrial & Scientific XBDZR 25 Pcs R Shaped Spring Cotter Pins Fastener Assortment Kit, Zinc Plated Steel Retaining Hair Pin for Hitch Pin Lock System - 5 Sizes: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61zoVditPQL.jpg)