RUKO SPB-DIN1869-5.5mm-Serie-1 Safety Fitting Screw, M5.5 x 10 mm, Hexagon Socket, Steel 8.8, Zinc-Plated Blue Passivated, Pack of 200

For precision mechanical assemblies where components must not shift under shear load, this safety fitting screw provides a secure, form-locking connection. Machinists and maintenance technicians use it to align and fasten jigs, fixtures, and machine parts with repeatable accuracy.

Key specifications

• Standard: DIN 1869
• Screw type: Safety fitting screw (Sicherungs-Passschraube)
• Head type: Cylindrical head
• Drive type: Hexagon socket
• Nominal diameter: M5.5
• Length: 10 mm
• Material: Steel
• Strength class: 8.8
• Surface treatment: Zinc-plated, blue passivated
• Thread type: Metric standard thread
• Thread pitch: 0.75 mm
• Head diameter: 9.5 mm
• Head height: 5.5 mm
• Hexagon socket size: 4 mm
• Pilot recess diameter: 5.5 mm
• Packaging unit: 200 pieces

Why choose it

The cylindrical head and hexagon socket allow high tightening torque, while the 8.8 strength class ensures reliable clamping force. The zinc-plated, blue passivated finish provides corrosion resistance for indoor applications.

Ideal use cases

• Securing components against displacement in high-precision connections
• Shear load applications in mechanical engineering
• Jig and fixture construction

Good to know

This screw is supplied in a pack of 200 pieces. It is suitable for metric standard threads and is RoHS compliant.