thick nut & steel structure bolt &washer
Minimum Order: 0
Quality/Safety Certification: 0.00
thick nut & steel structure bolt &washer
1.Certificate:ISO9001:2008
2.Application:railway fastening system
3.Finishing:plain
Xinxiang City Luda Machinery Co., Ltd. Specializes in developing and manufacturing railway standard components and high strength fastenings. Our company mainly engaged in developing and manufacturing clips and screws in railway, and other railroad fasteners. Has superior production equipment and complete test instrument. . Moreover we have been suppliers to the railway and high-speed rail for many years.
thick nut & steel structure bolt &washer
| Type | Grade | Material | Model | Hardness | Standard | ||
| Bolts | 8.8 | Q275 | M12-M30 | HRC24-31 | TB/T2347-93 | ||
| 10.9 | 20MnTiB | HRC33-39 | |||||
| Nuts | 8H | 35# | M12-M30 | HRC22-HRB95 | TB/T2347-93 | ||
| 10H | Q275 | HRC28-HRB98 | |||||
| Washer | 45# 35# | 6*25*50 | 100HV 200HV 300HV | TB/T1495.4-92 | |||
