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10 Pcs M8 x 1.0mm Metric Fine Thread Nylon Insert Lock Nuts,304 Stainless Steel Lock Nut Non-Slip Lock Nut Nylon Self-Locking Nut.
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1/4"-20 Nylon Insert Hex Lock Nuts, Allen Hex Drive, 304 Stainless Steel 18-8, Full Thread, Coarse Thread UNC, Pack of 25
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