3/8-16 x 4" Hex Bolts Kit (75pcs) with Nuts & Washers - Stainless Steel 316 - for Construction & DIY Projects

Step up to Type 316 stainless steel for superior corrosion resistance compared to�18-8�stainless�steel.�It contains�molybdenum,�which increases corrosion resistance to chlorides and�sulfates.�Screws may be mildly�magnetic.�They have a Class 2A thread�fit,�minimum Rockwell hardness of�B70,�and minimum tensile strength of�70,000�psi.�Dimensions meet ASME�B18.2.1.�Screw length is measured from under the�head.