M6 Connecting Bolt, Countersunk, with SW4 Hexagon Socket

Is this connecting bolt fully threaded?

Yes. The Connecting Bolt Csk SW4 M6x50mm St NP is fully threaded, making it suitable for secure fastening where full thread engagement is beneficial.

Which size is the thread, and what length should I expect?

The thread size is M6 and the bolt length is 50 mm. This helps you match it to M6 components and plan the correct build height or joint thickness.

What does Csk mean on this countersunk screw?

Csk refers to a countersunk head. This style sits flush with the surface when fitted correctly, which is useful when you need a neat finish and reduced head lift.

Do I need a specific drive tool to fit it?

It uses a TS style drive, suitable for hex or socket engagement. Make sure your driver matches the drive type for smooth tightening and fewer fitment issues.

Will it corrode easily, and what finish is applied?

This bolt is nickel plated and made from steel. The plating helps improve corrosion resistance, which is especially helpful for many indoor and general outdoor applications when compared to unplated steel.

Which standard does it follow?

The bolt is listed as DIN 7991. If you are replacing like for like or specifying according to a standard, this specification can help confirm compatibility.

Is the bolt head suitable for a flush fit?

Yes. With a 12.00 mm countersunk head diameter, it is designed to sit flush in compatible countersunk settings. For the best result, use the correct mating part and ensure the counterbore or countersink is appropriate.

What is the product part number for ordering?

Your product part number is 264.70.750. Using the part number helps avoid ordering the wrong length or thread size and makes it easier to reorder when needed.