📌✌️🔩

#cotter pin #split pin #fastener #locking pin

⚙️🔩📌

#cotter pin #castle nut #fastener

🔧⚙️◾

#woodruff key #cotter pin #machine part #keyway #keyseat #mechanical assembly

⚙️🕳️📍

#cotter pin #dowel pin #retaining pin #mechanical pin #assembly hole #locking pin

🔩—🧱

#mechanical pin #cotter pin #dowel pin #horizontal insertion