M4 / 4 mm A4 MARINEQUALITÄT EDELSTAHL SECHSKANT DÜNN HALB SICHERUNGSMUTTERN DIN 439 MUTTER BW

Stainless steel grade A4 Marine Grade DIN 439 to give optimum corrosion resistance. A4 Stainless Steel DIN 439. Hexagon shape Half / Lock Nuts. Bolt World.

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