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The HJ-5 is a black metal joint set that allows you to create a five-pipe intersection on three axes. This joint set is used in very specific situations such as the addition of a flag or for the installation of a caster right in the middle at the bottom of a structure.

To assemble an HJ-5 you need to combine four H-2 together with four M6-25B bolts and four M6-N nuts.

Assembly tip:
Before considering the HJ-5, we suggest thinking of using other joint sets that will have less impact on the strength of the structure: HJ-2 / HJ-3 or HJ-4

Technical Information:

Installation Steps

Antistatic Version (ESD):
An electric conductivity version if offered if you wish to build antistatic structures: HJ-5NP

Want to reuse parts of your old system?

More Information
Needed parts4x H-2 + 4x M6-25B + 4x M6-N
Length inches2 11/16 in (68 mm)
Width inches1 5/16 in (33 mm)
External height inches5 5/16 in (135mm)
External width inches5 5/16 in (135mm)
External depth inches1 5/16 in (33mm)
Steel thickness inches1/8 in (2.5 mm)
Unit weight pounds0.906 lbs (0.412 kg)
None compatible joint systemsFastube, Trilogiq (28.6 mm)
RoHS certificationYes
None compatible pipe systemsTrilogiq (28.6 mm)
Frequency of useVery low
Reusable partsYes
Electric conductivity (ESD)No
MaterialHot rolled steel (SPHC)
Steel hardness (HRB)68-75 HRB
UV resistanceHigh
Steel treatmentBlack cathodic electrodeposition (Ecoating)
Manufacturing techniqueStamping and deburring
Striations for grip16 striation grip lines
Positioning guide16 positioning guide lines
Additional reinforcement hole8 reinforcement holes
  1. Ensure you have the following parts:
  2. Fix two H-2 connectors with an M6-25B and an M6-N in the corresponding openings and loosely tighten. Repeat process with the remaining two H-2 connectors.
  3. Group the two pairs of H-2 connectors around the first pipe and loosely tighten using the remaining M6-25B and M6-N.
  4. Insert the second, the third, the fourth and the fifth pipes within the openings of the HJ-5, and between the first and the second positioning guidelines.
  5. Tighten the M6-25B and the M6-N until the HJ-5 is firmly attached to the five pipes.
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