Material: carbon steel, alloy steel(45#,1045,40Cr,5140)Size: mainly supply for M24-M56 or as per customer’s requestGrade: 4.8, 5.8, 6.8, 8.8, 10.9 classprocess:hot forging,Heat treatmentSurface trea ...
Tongling linbao machinery manufacturing Co.,Ltd.
Main Products: bolt, fasteners, copper powder, bolts and nuts... More