DIN933 Hex Bolt A2 70 Stainless Steel 304 and 316

The DIN933 Hex Bolt A2 70 Stainless Steel 304 and 316 is a fully threaded metric hex head bolt commonly used in various industrial applications. When made from A2-70 or A4-80 stainless steel (grades 304 or 316), these bolts offer excellent corrosion resistance. Below is a detailed comparison:

DIN 933 Hex Bolt Specifications:

Standard: DIN 933 (ISO 4017 equivalent)

Head Type: Hexagonal (6-sided)

Thread Type: Fully threaded

Material Grades:

A2-70 (Stainless Steel 304) – Good corrosion resistance, general-purpose use.

A4-80 (Stainless Steel 316) – Superior corrosion resistance, especially in marine/chemical environments.

Strength Class:

A2-70: 700 MPa tensile strength, 450 MPa yield strength.

A4-80: 800 MPa tensile strength, 600 MPa yield strength.

Finish: Naturally corrosion-resistant, typically bright (can be passivated for enhanced protection).