Rosette elastiche curvate

BN 797

DIN 137 A

(Standard withdrawn)

~UNI 8840 A

~ČSN 021733

Material	Material Spring steel
Surface	Surface mechanical zinc plated blue
Hardness	Hardness 420-490 HV

Features

DIN 137 A (Standard withdrawn) ~UNI 8840 A ~ČSN 021733

We recommend DIN 137 B for new construction: BN 796 / BN 798 / BN 800

Material	Material Spring steel
Surface	Surface mechanical zinc plated blue
Hardness	Hardness 420-490 HV

CAD-Download

Curved spring washers - Spring steel - black

Waved spring washers - Spring steel - mechanical zinc plated blue

Curved spring washers - Spring steel - mechanical zinc plated yellow