Hex head fastener offered in nominal M16 (metric) and 5/8" (imperial) diameters. Material is stainless steel 18-8 and the listing references bolts and matching nuts; “tornillo” is included as an alternate term. Head style is hex head.

Confirm required thread pitch (coarse or fine), length and whether the metric or imperial size applies before placing an order. Specify quantities and any nut type or finish needed. Use this item where stainless steel fasteners are suitable for the application; verify exact dimensions against your engineering drawings.