Closure technology with UNF and UN threads for maximum flexibility

Sealing plug HN 8-UN-OR from heinrichs drehteile

Density and durability are crucial for success in hydraulics. The sealing plug HN 8-UN-OR from heinrichs drehteile sets new standards with its high-quality processing and versatility. Developed with UNF and UN threads according to ISO 11926-4 and suitable for counterbores according to ISO 11926-1, it offers reliable tightness and allows for repeated loosening and tightening without compromising safety.

A particular advantage of the HN 8-UN-OR is its flexibility in operating conditions. The O-ring according to DIN ISO 3601 is available in NBR 90 Shore (-30°C to +100°C) and FKM 90 Shore (-20°C to +200°C) variants. Made of high-quality steel or Nirosta, the material is ultrasonic and crack tested according to DIN EN 10277-3 to ensure the highest quality and durability.

Trust in the sealing plug HN 8-UN-OR from heinrichs drehteile - an innovative solution for reliable and efficient hydraulic applications.

Product information:
Sealing plug HN 8-UN-OR

Areas of application:

  • Hydraulics
  • For counterbores according to ISO 11926-1
  • Multiple loosening and screwing possible

 

O-Ring according to DIN ISO 3601:

  • NBR 90 Shore -30°C to +100°C
  • FKM 90 Shore -20°C to +200°C
  • Other temperature ranges on request

 

Material:

  • Steel 11SMnPb30+C (1.0718) and 11SMn30+C (1.0715) DIN EN 10277-3 ultrasonic and crack tested or in HD quality
  • Nirosta 1.4305 / 1.4571
  • Other materials on request

 

O-Ring according to DIN ISO 3601:

  • NBR 90 Shore -30°C to +100°C
  • FKM 90 Shore -20°C to +200°C
  • Other temperature ranges on request

 

Coating:

  • Cr-(VI)-free: nanopassivated A3K/Zn Nano (ISO 4042)
  • ZNNI according to VDA 235.104-25
  • Other coatings on request

Detailed product information can be found in the data sheet:

Excellent quality: Products from heinrichs drehteile are TÜV Rheinland certified!

At heinrichs drehteile, the highest standards and quality are the focus. Our products are TÜV Rheinland certified and comply with the international standards ISO 9001:2015, IATF 16949:2016, and ISO 14001:2015. 

These certifications guarantee excellent quality management, sustainable environmental practices, and reliability in production - for precision turned parts that exceed your requirements.

 

Our certificates


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