Jiaxing Aoke Trading is a Chinese professional factory and vendor, specialize in producing high-quality fasteners, including premium DIN 25201 double fold self-locking washer. The double fold self-locking washers are made of SUS304/A2/1.4301 and SUS316L/A4/1.4401 and Mn65, SK5. The surface treatment is dacromet if the lock washers made from spring steel (Mn65, SK5). After hardening, the hardness between HV350-520, the level of hardening is 20mu, and the class of hardness is class10. The cushion is suitable for 800℃ high temperature and -160℃low temperature environment! The dimensions have normal size and sp size, from NL3 to NL80. With years of experience, advanced equipment, and strict quality control, we're committed to providing our customers with the best double fold self-locking washer.
The characteristics of double fold self-locking washer DIN25201.
1. Make sure the clipping force of the connector is still kept under strong vibration, and it is better than the cushion fastener that rely on friction to make locks.
2. To prevent the bolts caused by vibration, the related lock security problems caused by the loosening of fasteners will no longer occur.
3. It does not require special installation work, not affected by the original installation torque, easy to install and disassemble
4. The lock function is not affected by lubrication
5. The humidity changes will not loosen the connector
6. Durable and reusable
7. Simple use, safe, stable, reliable, economy
Standard |
DIN,ASTM/ANSI/ Standard |
Material |
SS304 SS316 Mn65 SK5 |
Surface Treatment |
Plain, dacromet |
Size |
NL3 to NL80 |
Grade |
HV350-550 |
Unite |
Piece |
Packing |
Bulk cartons with pallet, small boxes in cartons with pallet |
Lead time |
Busy season:20-30days,Slack season:10-20days |
Double fold self-locking washer DIN25201 is widely used in heavy Industry, mining, water treatment, healthcare, retail industry, general industry, machinery, Oil & Gas, automotive industry etc.