Pack of 100 Collar Pin Rivet (Washer type) HLM375DU05A

Hi-Lok pin-rivet collars (pack of 100), specialised aerospace components consisting of a threaded pin and a self-wrenching collar that breaks off once a specific torque is reached.

Used for high-strength fastening in aircraft structures where consistent torque and shear strength are required. 

Over 500 packs are currently available.