thick nut & steel structure bolt &washer
Minimum Order: 0
Quality/Safety Certification: 0.00
1.Certificate:ISO9001:2008
2.Application:railway fastening system
3.Finishing:plain, or as customer's requirement
We supply various kinds of nut for your choice,and we have high quality raw material and reasonable price.
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 |