M3 A2 Stainless Half (Lock) Nut DIN 439B

Lock nuts, also knows as half nuts, are a type of locking nut for low vibration applications. M3 A2 Stainless Half (Lock) Nut DIN 439B. Use 2 nuts together to 'lock' against one another. A2 (304) Stainless steel. M3 x 0.50 Pitch coarse thread

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