8-45 Series Single Joint Kit for Aluminum Frame Blind Joints

Caution
Product Description
The additional D holes required for Aluminum Frame does not penetrate to the flat surface. This is a particularly good appearance blind joint.
Dimensional Drawing of Blind Joint Parts
| ●Single Blind Joint Parts kit - standard type - Used when drilling one hole in each of the two frames to be connected and connecting the frames at right angles at their ends. ●Single Blind Joint Parts kit - narrow type - The narrow type has a modified shape so that the connection part is less likely to collide with the panel when fitting the panel into the frame groove. | ||
| HSJ(Steel type) HSJS/HSJNS(Stainless steel type) | ||
| ①Blind Joint Parts nut (SS400) Stainless steel nut (equivalent to SUS304/SUS316, sintered) | ②Blind Joint Parts plate (SPCC) Stainless steel plate (SUS304) | ②Narrow type Blind Joint Parts (SUS304) |
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| Blind Joint Parts Type | Components | |||||
| ①Blind Joint Parts nut | ② Plate | ③Bolt | ||||
| [M] Material | [S] Surface Treatment | [M] Material | [S] Surface Treatment | [M] Material | [S] Surface Treatment | |
| HSJ | SS400 | Trivalent Chromate | SPCC | Trivalent Chromate | SCM435 | Trivalent Chromate |
| HSJS HSJNS | SUS316 equivalent SUS304 | − | SUS304 | − | SUS304 | − |
Specification Table of Blind Joint Parts
| Blind Joint Parts Model |
| HSJ8-45 |
(frames not listed in the table cannot be used)
| Features | Frame | ||
| HFS8-45 series 45mm square groove width 10mm | |||
| Blind Joint Parts Type | No. | Corresponding single joint | |
| 4-sided groove | HFS8 GFS8 EFS8 NEFS8 | 4545 | HSJ8−45 HSJS8−45 HSJNS8−45 |
| 4590 | HSJ8−45 HSJS8−45 HSJNS8−45 | ||
| 45180 | HSJ8−45 HSJS8−45 HSJNS8−45 | ||
| 3 grooved sides, 1 flat side | HFSF8 GFSF8 EFSF8 NEFSF8 | 4545 | HSJ8−45 HSJS8−45 HSJNS8−45 |
| 2 grooves , 2 flats | HFST8 GFST8 EFST8 | 4545 | − |
| Two-sided groove | HFSH8 EFSH8 | 4545 | HSJ8−45 HSJS8−45 HSJNS8−45 |
| 1 grooved surface, 3 flat surfaces | HFSC8 EFSC8 | 4545 | HSJ8−45 HSJS8−45 HSJNS8−45 |
| Light Type | HFSL8 | 4545 | HSJ8−45 HSJS8−45 HSJNS8−45 |
| HFSLF8 | 4545 | HSJ8−45 HSJS8−45 HSJNS8−45 | |
| HFSLT8 | 4545 | − | |
| Black anodized | HFSB8 EFSB8 | 4545 | HSJ8−45 HSJS8−45 HSJNS8−45 |
| 4590 | HSJ8−45 HSJS8−45 HSJNS8−45 | ||
| HFSFB8 | 4545 | HSJ8−45 HSJS8−45 HSJNS8−45 | |
| HFSTB8 | 4545 | − | |
Please refer to the table on the right to see if it is applicable to each frame.
・The price list below iscurrent as of April 2011.
・After confirming the model number, please click the "Check price" button to check the latest price.
| kinds | Model | ①Blind Joint Parts nut (1 piece) | ②Joint plate (1 piece) | ③Hexagon socket button bolt (1 piece) | |
| Type | No. | ||||
| Standard Type | HSJ | 8−45 | Nut 8-45 | Plate 8-45 | Button bolt M8-35 |
| HSJS(stainless steel type) | Stainless steel nut 8-45 | Stainless steel plate 8-45 | Button bolt stainless steel M8-35 | ||
| Narrow Type | HSJNS(stainless steel type) | Stainless steel nut 8-45 | Narrow Plate 8-45 | Button bolt stainless steel M8-35 | |
② Dimensions of the Blind Joint Parts
| kinds | size | N | A | SPCC | Equivalent to SUS304/SUS316 | ||||||||
| B | L | T | t | B | E | L | T | t | K | ||||
| plate | 8−45 | 8.5 | 10 | 18 | 38 | 12 | 2.0 | 18 | − | 43 | 12 | 2.0 | − |
| Narrow Plate | 8−45 | 8.5 | 6 | − | 18 | 3.5 | 39 | 12 | 2.0 | 19.2 | |||
Kinds of Blind Joint Parts
| Single Blind Joint Parts Kit | Pre-assembled frame single Blind Joint Parts type | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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| ![]() | ||||||||
| It is used by drilling one hole in each of the two frames to be connected and connecting the frames at right angles using the grooves in the frames. | The narrow type has a modified shape so that the connection part is less likely to collide with the panel when fitting the panel into the frame groove. | This is an aluminum frame with the single Blind Joint Parts kit narrow type installed. Additional wrench holes are required on the mating frame. | ||||||||
| HSJ/HSJS | HSJNS | JFSS | ||||||||
How to Use of Blind Joint Parts

■ Installation procedure
| procedure | Front View | Side View | Floor plan | How to specify by model number (30mm square as an example) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| 1 | ![]() | ![]() | Drill a D hole in the frame. Insert the ① Blind Joint Parts nut ![]() into the frame with the D hole drilled . Pass the ③ button bolt through the ② joint plate and lift it up to temporarily secure it. Pass the ② Blind Joint Parts through the B frame groove with the wrench hole and slide it to theunderside of Ⓐ. Pass a hex wrench through the wrench hole and tighten the ③ button bolt to secure it. ![]() ![]() ![]() |
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■ Installation examples for each frame shape
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■Model Example of Blind Joint Parts 8-45 Series
| Frame A | Frame B | Single Join Kit | Quantity | |
|---|---|---|---|---|
| ① | HFS8-4545-1000-LDH | HFS8-4545-800-LCV | HSJNS8-45 | 1 |
| ② | HFS8-9090-1000-LDH | HFS8-9090-800-LWV | HSJNS8-45 | 2 |
| ③ | HFS8-4590-1000-LDH | HFS8-4590-800-LWV | HSJNS8-45 | 2 |
| ④ | HFS8-4590-1000-LDH | HFS8-4590-800-LCH | HSJNS8-45 | 2 |
| ⑤ | HFS8-45180-1000-LDH | HFS8-45180-800-LCH | HSJNS8-45 | 4 |
| ⑥ | HFS8-45180-1000-LDH | HFS8-45180-800-LEV | HSJNS8-45 | 4 |
*For rectangular frames, place the short side down when drilling.
■ How to make the frame cap flush
The length of the aluminum frame is shortened by the thickness of the frame cap.
*Alterations (FR/FL) for "2.5 mm thickness" are not currently supported.C
: For the frame cap thickness, specify the protruding
model HFS6-3030-300-RCV-LCV and 300 mm long wrench holes on the left and right.D
: For the frame cap, specify the model HFS6-3030-294-RCV-LCV-FR-FL, which does not protrude and is flush with the surface
, shortened by the frame cap thickness, and specify wrench holes and wrench hole shifts on the left and right.
C Frame cap pops out
D Frame caps are flush and
do not protrude

Product Comparison Information of Blind Joint Parts
If using a regular bracket would cause interference with the surrounding area, we recommend a blind joint connection. Please refer to the table below and check the detailed specifications on the product page.>
■Blind Joint Parts 8-45 Series
| Product name | Single Blind Joint Parts | Screw Blind Joint Parts | Center Blind Joint Parts | Post-insertion double Blind Joint Parts | First-in double Blind Joint Parts |
|---|---|---|---|---|---|
| Product Photos | ![]() | ![]() | ![]() | ![]() | ![]() |
| Installation Diagram | ![]() | ![]() | ![]() | ![]() | ![]() |
| Blind Joint Parts Material | Iron or SUS304 | Iron or SUS304 | SCS13 | Equivalent to SCS13/SUS304 | SUS316 equivalent / SUS304 |
| Features | Since the additional D hole does not penetrate all the way to the flat surface, this is a Blind Joint Parts with particularly excellent aesthetics. | The plate allows for reliable and inexpensive connection. | This is the most common blind joint 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. | This Blind Joint Parts can be used for a variety of purposes, such as extending frames or attaching to plates. |
| 8-45 series product page | Viewing | Product page | Product page | Product page | Product page |
Aluminum Frame Related Products of Blind Joint Parts 8-45 series
■Blind Joint Parts 8-45 series (groove width 10mm)
| Product name | Aluminum frame | Blind Joint Parts | nut | Frame cap | Groove cover |
|---|---|---|---|---|---|
| photograph | ![]() | ![]() | ![]() | ![]() | ![]() |
| Product page | Here | Here | Here | Here | Here |




























































