large size black M16 U bolt(manufacturer) 1.Material:carbon steel 2.Surface:Plain,black ... .Use:metallurgy etc 4.ISO90 Item:large size black M16 U bolt(manufacturer) Production Description:1MaterialLow-carbon steel,mid-carbon steel ... , Black etc9PaymentTT,30%deposit10Moq1000pcs11Deliveryabout 30days,depend on the total qualityAbout u and us:Accept your design and OEM, We will offer ...