📌✌️🔩

#cotter pin #split pin #fastener #locking pin

🛡️🧷

#secure fastener #locking pin #safe pin #protected fastening

📌🔒🛡️

#locking pin #secure fastener #protection catch #retaining clip #linchpin

⚙️🕳️📍

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