nabla attache elastic
USD $1.99 - $1.99 /Ton
Min.Order:1000 Tons
Taicang Zhongbo Railway Fastening Co., Ltd
2. Standard: NF F50-015
3. Material: 60Si2Mn,60Si2Cr
4. Hardness: 44-49HRC, Fatigue life 5 million cycles
5. Surface protection: Painting