M8 A4 Stainless Half (Lock) Nut DIN 439B

Lock nuts, also knows as half nuts, are a type of locking nut for low vibration applications. M8 A4 Stainless Half (Lock) Nut DIN 439B. Use 2 nuts together to 'lock' against one another. A4 (316) Marine grade stainless steel. M8 x 1.25 Pitch coarse threa

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