DIN 933 Hexagon Head Screws

Find full-thread hex fasteners by material and size, then send the exact combination you need for a quotation.

Explore DIN 933 products

• Stainless steel full-thread hex bolts — view the listed material, property class, diameter and length combinations.
• Copper alloy hex bolts — a separate material range with its own specification table.

Expand the specification groups on each product page to find the required size. Listed catalogue sizes are subject to stock confirmation when we quote.

What to include in your enquiry

• Standard: DIN 933 and the edition required by your drawing or purchase specification.
• Size: nominal thread diameter, pitch and length; include a drawing for special requirements.
• Material and strength: state the material grade and required property class separately.
• Order details: quantity, finish, inspection documents and delivery destination.

DIN 933 and ISO 4017

DIN Media lists DIN 933:1987-09 as withdrawn. ISO currently lists ISO 4017:2022 for hexagon head screws. If your drawing calls for an ISO reference, include it in the enquiry so the dimensions and supply specification can be checked before a substitute is approved.

Read the ISO 4017 enquiry guide

From specification to quotation

Send the product reference and size list, or attach your drawing on the enquiry form. For items available in Tongming stock, dispatch is usually around three days; availability and timing are confirmed in the quotation.

Reference sources: DIN Media — DIN 933:1987-09; ISO — ISO 4017:2022. Sources checked 14 October 2026. Use the specified standard and drawing for contractual dimensions.