... lead time HEX NUT 1. Standard:DIN,ISO,JIS etc2. Thread Size:M2, M3, M4, M5,M6, M8...etc, per customer ... the process.7. 100% Quality inspection and control Main products:Precision metal parts like various nuts,screws,axes,bolts,caps,stamping ... ,medical equipment parts,etc.Our Advantages:High-tech and high-precision manufacturing equipments.Strict ISO13485,ISO9001,ISO14001 TS16949 standards.100,000 ...