Flange Design: the bottom of the bolt head has a flange that distributes the load like a washer; A serrated flange ensures a secure screwing action.
High Quality: these bolts set are made of good A2-70 stainless steel 18-8 (304) material, featuring with higher hardness & great tensile strength, offering corrosion resistance even in severe surroundings.
Bolts Type : metric flanged hex bolts - DIN1662; Full thread; Thread Type: Coarse Thread/ UNC
Drive Type: External Hex Drive; Head Style: Hex Head
Package Included: 57 sets flanged bolts kit, including 22 sets M8(matching with nuts, flat and spring washers) and 35 sets of M6 bolts(matching with nuts, flat and spring washers), total 228PCS hex bolts nuts washers assortment kit