A2 - 304 St/St Cup Square Hex Bolts DIN 603

A2 stainless steel cup square hex bolts to DIN 603 offer excellent corrosion resistance and strength for demanding applications. The distinctive cup square hex head provides secure engagement with spanners and sockets, making them ideal for construction, structural work, marine installations and industrial assembly where reliable fastening is essential.

Key Features

• A2 grade 304 stainless steel — superior corrosion resistance for indoor and outdoor use
• Cup square hex head design — ensures positive drive engagement
• DIN 603 specification — meets recognised European standards
• Suitable for a wide range of applications across construction, engineering and maintenance
• Durable finish — retains integrity in salt spray and harsh environments
• Available in multiple sizes to suit various fixing requirements

Typical Applications

These bolts are commonly specified for structural steelwork, fabrication projects, marine and coastal installations, outdoor fixtures, chemical plant assembly and maintenance work where stainless steel fasteners are required to prevent corrosion and ensure longevity.