Version in Steel

Types

• Type C: Spherical seat washer

• Type D: Dished washer with d₃ = d₂

• Type G: Dished washer with d₄ >, d ₂ (enlarged outer diameter)

Type C / D

Case-hardening steel

Case-hardened

All round depth 0.2 to 0.4 mm

Hardness (550+ 100) HV 10

Type G

Heat-treated steel, tempered

Hardness (350 + 80) HV 30

Version in Stainless Steel

Types

Stainless steel AISI 303 NI

Type C / D / G

Not hardened

Stainless steel AISI 316 A4

Type C / D

Not hardened