... : 1.Material:alloy steel 2.Fuction:used in mining 3.manufacturer,good quality,low price. 4.ISO certifica Welded ... 5/8"16mm x 16mm18,19,20,21,3/4" x 3/4"19.1mm x 19.1mm16,17,18, ... metric unit(mm)2" x 3"50mm x 75mm2.0mm,2.5mm,1.65mm3" x 3"75mm x 756mm2.67mm,2.41mm ... ,2.11mm,1.83mm,1.65mm2" x 4"50mm x 100mm2. ... 12.7mm16,17,18,19,20,213/4" x 3/4"19mm x 19mm16,17,18,19,20,211" ...