Product: allen head Bolt Size: M(2-10)*(3-100mm) Mterial :A2.A4.SUS201.304.316 ... , Class 8.8, Class 10.9, Class 12.9Size: M(4-33)*(8-100mm)Detailed Description:Hexagon head bolt Brand ... originJiangsu,China(mainland)Material A2(SS304),A4( SS 316)SizeM(2-10)*(3-100mm)GradeClass 4.8, Class 6.8, ... offer variety of screws in sound quality with reasonable price.2,We can make prompt dilivery3,We have 10 years ...