Part Name: Butterfly Spring
part number:
DIN 2093-1992 Disc Spring Series A
DIN 2093-1992 Disc spring washer series B
DIN 2093-1992 Disc spring washer series C
GB/T 1972-2005 Disc spring A series
GB/T 1972-1992 Disc spring A series
GB/T 1972-2005 Disc spring B series
GB/T 1972-1992 Disc spring B series
GB/T 1972-2005 Disc spring C series
GB/T 1972-1992 Disc spring C series
JIS B 1251-2001 Disc spring
JB/ZQ 4010-2006 Disc spring
Rolling butterfly spring with JB / ZQ 4340-2006
NF E 25-511-1980 Rolling disc spring
Cone – shaped gaskets for pots
QC 419 Conical Elastic Washer
UNI 8737 disc spring
Product Description
Can produce all the country or industry standard and process depend on drawing
Material：65Mn、SK5、SK7、Stck6、T8、T10、50CrV、60Si2Mn、CK45、1040-1050
Surface treatment：black oxide finish 、phosphating、Galvanized processing、dacromet、Mechanical galvanizing (dark) processing