1)High precision bolt 2)SIZE: 6.0*154. 3)ISO9001, ISO14001, ISO13485. OEM machined parts in high precision and produced according ... Tolerance: Can be kept in +/-0.01mm Main products:Precision metal parts like various nuts,screws,axes,bolts,caps,stamping parts ... ,sheet metal parts,stainless steel tubes,medical equipment parts,etc.Our Advantages:High-tech and high-precision manufacturing equipments ...