... bolt with flange washer 1.Materials: low carbon alloy steel 20MnTiB 2.Property Class:8.8 or 10.9s ... washers High strength torsional shear bolt with flange washer and hex head1. Material: low carbon alloy ... : Mpa quartile 1220 (magnitude 12.9) .3, Tension loading: N quartile 40600 N.4, Adjusting quality: HRC34 °- ... size: 25" max.Grade: Metric size: 4.8,5.8,6.8,8.8,10.9, A2,A4 Inch.size: Gr2, Gr5 ...