Professionally produce various anchors. Sleeve Anchor With Flange NutFootstone: Concrete & Natural Hard StoneMaterial: Steel, stainless steel & ... 20%, it is faster and convenient for installation with the flange nut, It is very suitable for the light- ... , lamps stationary rings, cirque or other obdurate ring connetor, handrail, angle iron and bracket system's firmness. Sleeve Anchor With Flange Nut ...