full thread hex bolt 1.Grade: 4.8-12.9, A2, A4 2.Size: M4 to M72 3.material:carbon steel and stainless steel full thread hex bolt1.Grade: 4.8-12.9, A2, A42.Size: M4-M723.Standard:DIN3.Finish:plain, zinc plated, hot dip galvanized, dacroment4.Material:Carbon steel, stainless steel6.Delivery time:30days after order confirmation full thread hex bolt