DIN 6319
DIN 6319
Spherical / Dished Washers
Steel / Stainless Steel
Steel
Steel / Stainless Steel
Steel

78711-R,20
78710-R,10
78712-R,50
orGN 300-30-B5-SW;60
GN 612-5-M12x1,5-A;40
DIN 172-B10,5-20-A;50
ISO 8675-M8x1-04-BT;10
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
Stainless steel AISI 303 NI
Type C / D / G
Not hardened
Stainless steel AISI 316 A4
Type C / D
Not hardened
Spherical washers and dished washers DIN 6319 are used for clamping on non-parallel surfaces.
Thanks to the material used, the spherical washers and dished washers are generally suited for aggressive environmental conditions.
The dished washers type G with enlarged outside diameter are mainly used on elongated holes.
When utilizing hexagon nuts with spherical seating DIN 6330 type B the spherical washer is redundant.
(enlarged outer diameter)
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