Standard:ASTM A193/A193M

Grade:B7/B7M/B16

Material:Carbon Steel,Alloy Steel

Finished:Plain, Black, Zinc Plated, Yellow Zinc Plated, H.D.G,DACROMET,etc

Diameter:M6 - M64 & 1/4"-2"

Length:Less than 1M,1M,2M,3M,6 FEET,12FEET