T-shape steel belt is a kind of roof steel belt, the T steel belt is named for the same section as the letter T, it is mainly applied to mechanical and industrial mining industry, which is made of cold pressing of high strength alloy plate. The T-shape steel has the characteristics of high bearing strength, reliable anchorage, good elongation and suitable for quick installation, the bolt support can be combined with various anchors, significantly improve the overall effect of the bolt, in the incomplete roof strata, it is best to deal with unstable surrounding rock.