M4 HALF NUTS THIN HALF LOCK NUT HEXAGON HALF LOCK NUT A2 STAINLESS STEEL DIN 439

M4 Lock Nuts (Half Nuts) (DIN 439) - Stainless Steel (A2). Thread Size M4 (4mm). Material Specification Stainless Steel (A2). Locking Nuts are designed to lock in place whilst installing.

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