1. Hardness:41-47HRC
2.Material:60Si2Mn
3.Standard:TB565-76
4.Type:single spring& double spring
5.Certificate:IOS9001:2008
Type | Material | Model | Hardness | Standard | Finish code |
Flat washer |
Q235 35# |
M1.6-M64 | 100HV 200HV 300HV |
TB/T1495.4-92 | Plain, Zinc-plate Dacromet, etc. |
Spring washer | 60Si2Mn | M3-M48 | HRC42-50 | TB565-76 | Passivate, Zinc-plated etc. |
Lock washer | 60Si2Mn | M3-M48 | HRC41-47 | TB/T1495.4-92 | Antirust processing |
Zinc alloy flat washer | Q235 | 6*25*50 | Standard | TB/T1495.4-92 | Antirust processing |
Dacromet | Q235A | 6*25*50 | Standard | TB/T1495.4-92 | Antirust processing |
Xinxiang City Luda Machinery Co., Ltd. engaged in manufacturing clips,
bolts, screw spike, rubber pads and other railway products. In recent years,
our company has introduced advanced production equipments and technicians
continuously. We are one of the famous companies in China and are able
to bid for large and mediumsized projects from the Ministry of Railways.
We have obtained the Certificate ISO9001:2008 .
Flat washer
Spring washer
