RUKO STB-90°-M4-S-kelo Steel Distance Bolt M4 x 16 mm, Zinc-Plated

When you need a reliable, conductive standoff for PCB mounting or electrical assembly, this steel distance bolt delivers a stable M4-to-M4 connection in a compact 16 mm length. Its zinc-plated, blue-passivated finish resists corrosion, making it suitable for long-term use in demanding environments.

Who is it for

Engineers, technicians, and hobbyists working on electronic enclosures, control panels, or mechanical assemblies who require a durable, metric-threaded spacer with a hexagonal tightening section for secure installation.

Main features

• M4 male and female threads with 0.7 mm pitch for versatile fastening.
• Steel body with zinc-plated, blue-passivated surface for corrosion resistance.
• Hexagonal section (6 mm across flats) for easy tightening with a wrench.
• Overall length 16 mm, body length 10 mm, male thread length 6 mm, female thread depth 6 mm.
• RoHS compliant, suitable for electrical and electronic applications.

Specifications

• Product type: Distance bolt (standoff)
• Material: Steel
• Surface finish: Zinc-plated, blue passivated
• Thread type male: M4
• Thread type female: M4
• Thread pitch: 0.7 mm
• Overall length: 16 mm
• Body length: 10 mm
• Body diameter: 6 mm
• Male thread length: 6 mm
• Female thread depth: 6 mm
• Hexagon width across flats: 6 mm
• Head type: Cylindrical body with hexagonal tightening section
• Corrosion resistance: Yes
• Application: Electrical, electronic, mechanical assembly, PCB mounting
• Standard: Manufacturer standard (Würth)
• RoHS compliant: Yes

Tips

Use a 6 mm wrench on the hexagonal section to tighten the bolt without damaging the threads. Ensure the mating female thread is clean and free of debris before installation to achieve maximum holding strength.