Tapping Joint for 5 Series Aluminum Frame Blind Joints

Caution
Product Description
This is one of the most economical available hidden joint. No alteration is required for tapped holes. One of the most economical hidden joint.
Dimensional Drawing of Blind Joint Parts

[S] Surface treatment Trivalent chromate
*SWCH-18A (Carbon steel wire for cold heading)
Specification Table of Blind Joint Parts
| Blind Joint Parts Model |
| HTJ5 |
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| Blind Joint Parts Model | Torx Bit | Compatible frame (drill hole diameter) | Proper tightening torque (maximum) | |
| Blind Joint Parts Type | No. | |||
| H.T.J. | 5 | HTJXL25 | φ4.2 | 12N・m |
| Compatible frame number | [Exception] Unusable frames | |||
| 5−2020* | 5−2040 | 5−2060 | 5−2080 | * HFSR5-2020 with curved surface cannot be used because wrench holes cannot be machined. Cannot be used with HFS5-4040, HFSB5-4040, HFST5-4040, NFS5-4040, NFSB5-4040. |
| 5−4040 | ||||
How to Connect of Blind Joint Parts
* A Torx bitis required to tighten the tapping Blind Joint Parts.
| procedure | 1 | 2 | 3 |
| explanation | Temporarily fasten the tapping Blind Joint Parts to the end of the frame. (See the appropriate tightening torque above.) | Insert the head of the tapping Blind Joint Parts into the groove of frame B and slide it to the underside of A. | Insert the Torx bit through the wrench hole and tighten with an electric screwdriver. |
| Tapping Blind Joint Parts | ![]() * No tap holes are required. | ![]() Side View | ![]() |
The tapping Blind Joint Parts is used to fasten the screws while tapping.
It requires a lot of force because the aluminum is cut while it is inserted and fastened. A Torx bit is used instead of an electric drill bit to fasten the screws.
In addition, to fasten two aluminum frames in an L shape, a wrench hole is required in one of the aluminum frames. It
can also be fastened in a T shape by specifying a wrench hole in a specified position.
| 6 Series Model Example | Frame A | Frame B | Torx Bit | Tapping Joint |
|---|---|---|---|---|
| HFS5-2020-1000 | HFS5-2020-1000-LCV | HTJXL25 | HTJ5 |
Product Comparison Information of Blind Joint Parts
■5 Series Blind Joint Parts
| Product name | Tapping Blind Joint Parts | Screw Blind Joint Parts | Center Blind Joint Parts | Post-insertion double Blind Joint Parts | Parallel Blind Joint Parts |
|---|---|---|---|---|---|
| Product Photos | ![]() | ![]() | ![]() | ![]() | ![]() |
| Installation Diagram | ![]() | ![]() | ![]() | ![]() | ![]() |
| Blind Joint Parts Material | SWCH-18A | Iron or SUS304 | SCS13 | Equivalent to SCS13/SUS304 | SCS13/SUS304 |
| Blind Joint Parts Features | No additional tapping holes are required. This is the most inexpensive Blind Joint Parts. | The plate allows for reliable and inexpensive connection. | This is the most common Blind Joint Parts that can be used with a wide range of aluminium frames. | Stable fastening is possible from two points. This is the strongest fastening possible with blind joints. | The frames can be connected side-by-side. |
| 5 Series Product Page | Viewing | Product page | Product page | Product page | Product page |
Related Items of Blind Joint Parts
■5 Series (groove width 6mm)
| Product name | Aluminum frame | bracket | Frame cap | Groove cover | nut |
|---|---|---|---|---|---|
| photograph | ![]() | ![]() | ![]() | ![]() | ![]() |
| Product page | Here | Here | Here | Here | Here |
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