steel rod shaped and grooved pin 1.high pricision 2.OEM offered 3.longer ... service 4.competitive price quick delivery steel rod shaped and grooved pin machining namestay boltstandardDINmaterial steeldimension d6*60mmweight0.22kgprocessingheat treatment ... ordinary steel ,carbon steel,alloy steel ,Aluminum ,Aluminum alloy,brass ,copper or special for customers main market: German , Japan ,France ,Mid ...