弓型彈簧防鬆華司

BN 769

DIN 128 A

(Standard withdrawn)

~UNI 8839 A

~ČSN 021731

Material	Material Spring steel
Surface	Surface mechanical zinc plated blue

M2,3; M33: not included in DIN 128

Features

DIN 128 A (Standard withdrawn) ~UNI 8839 A ~ČSN 021731

Material	Material Spring steel
Surface	Surface mechanical zinc plated blue

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Curved spring lock washers - Spring steel - mechanical zinc plated blue

Split spring lock washers with flat end - Spring steel - zinc plated blue

Curved spring lock washers - Spring steel - black