6 Series Center Joint Kit for Aluminum Frame Blind Joints

Caution
Product Description
Rotation prevention type that further enhances workability. One of the most standard hidden joint that can be used for various types of aluminum extrusions.
Dimensional Drawing of Blind Joint Parts
( the tightening direction is inverted 90 degrees as shown in the usage example on the bottom left)

| Type | Components (1 each) | |||||
| Blind Joint Parts Guide | Center Post | Set screw | ||||
| type | [M] Material | type | [M] Material | size | [M] Material | |
| H.M.J. | Standard | SUS304 | First in, standard direction | SCS13 | No.6: M6×12 | SCM435 (surface treatment: black oxide film) |
| H.M.J.R. | First in, 90 degree inversion | |||||
| HAMJ | Post-insertion Standard direction | |||||
| HZJ | With anti-rotation function | SUS304 | First in, standard direction | SCS13 | ||
| HAZJ | Post-insertion Standard direction | |||||
Specification Table of Blind Joint Parts
| Blind Joint Parts Model |
| HMJ6 |
| Compatible frame number | [Exception] Unusable frames | |||
| 6-3030*1 | 6−3060 | 6-3090*2 | 6-30120*2 | *1 HFSR6-3030 with curved surface cannot be used because wrench hole cannot be machined. *2 Cannot be used in the longitudinal direction because standard hole cannot be machined. |
| 6−5050 | 6-50100*2 | |||
| 6−6060 | 6−6090 | |||
・The price list below is currentas of April 2011.
・To check the latest price, please click the "Check Price" button after confirming the model number.
| Blind Joint Parts Model | accessories | ||||||
| Type | No. | Center Post | Quantity | Blind Joint Parts Guide | Quantity | Set screw | Quantity |
| HMJ HZJ First-in standard direction type | 6 | First-in center post 6 | 1 | Blind Joint Parts Guide 6 | 1 | M6×12 | 1 |
| HMJR first-in, 90-degree inversion type | 6 | First-in center post 6 inversion | Blind Joint Parts Guide 6 | M6×12 | |||
| HAMJ HAZJ Post-insertion type | 6 | Rear-inserted center post 6 | Blind Joint Parts Guide 6 | M6×12 | |||
How to Connect of Blind Joint Parts
| procedure | Front View | Side View | First-in type | Post-insertion type | explanation |
| 1 | ![]() | ![]() | ![]() | ![]() | Attach the center post to frame A. (For post-insertion types , you can insert it by turning it from the top of the groove .) |
| 2 | ![]() | ![]() | ![]() | Insert the ② Blind Joint Parts guide into the frame Ⓑ with the M hole drilled . (The through hole should face up.) | |
| 3 | ![]() | ![]() | ![]() | ② While passing the center post through the Blind Joint Parts guide hole, bring frames Ⓐ and Ⓑ closer together. | |
| 4 | ![]() | ![]() | ![]() | ② Screw the set screw ③ into the tap on the side of the Blind Joint Parts guide . | |
| 5 | ![]() | ![]() | ![]() | ③ When the set screw is tightened, frames Ⓐ and Ⓑ are joined by tension. | |
| 6 Series Model Example | Frame A | Frame B | Center Blind Joint Parts |
|---|---|---|---|
| HFS6-3030-1000 | HFS6-3030-1000-LMH | HMJ6 |
・Order part number of the parts used in the above center Blind Joint Parts connection method (standard type) ![]() | - Method for use with frames that have multiple rows of grooves on one surface: Insert joint guides from both ends of the M hole and fasten using multiple center Blind Joint Parts. - When using a frame with three rows of grooves, no holes will be drilled in the center row. (When using a frame with four rows of grooves, holes will be drilled in all grooves.) | |||
![]() | Frames with two or more rows of grooves can be fastened together using two sets of center Blind Joint Parts kits. [ ! ]However, frames with three rows can only be fastened together using the two rows at both ends. | |||
· First-in 90 degree reversal type HMJR fastening direction can be rotated 90 degrees. | ![]() | |||
We also offer aluminum frames with the center Blind Joint Parts already installed.
No additional work is required on the mating frame.
Center Blind Joint Parts already installed in the frame
Product Comparison Information of Blind Joint Parts
■6 Series Blind Joint Parts
| Product name | Center Blind Joint Parts | Screw Blind Joint Parts | Simple Blind Joint Parts | Single Blind Joint Parts | Tapping Blind Joint Parts | Post-insertion double Blind Joint Parts | First-in double Blind Joint Parts | Parallel Blind Joint Parts |
|---|---|---|---|---|---|---|---|---|
| Product Photos | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Installation Diagram | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Blind Joint Parts Material | SCS13 | Iron or SUS304 | S45C/SCM435 | Iron or SUS304 | SWCH-18A | Equivalent to SCS13/SUS304 | SUS316 equivalent / SUS304 | SCS13/SUS304 |
| Blind Joint Parts Features | This is the most common Blind Joint Parts that can be used with a wide range of aluminium frames. | The plate allows for reliable and inexpensive connection. | No additional machining of wrench holes is required, and fastening can be done in one place. | 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. | No additional tapping holes are required. This is the most inexpensive Blind Joint Parts. | Stable fastening is possible from two points. This is the strongest fastening possible with Blind Joint Parts. | This blind joint can be used for a variety of purposes, such as extending frames or attaching to plates. | The frames can be connected side-by-side. |
| 6 Series Product Page | Viewing | Product page | Product page | Product page | Product page | Product page | Product page | Product page |
6 Series Related Products of Blind Joint Parts
■6 Series (groove width 8mm)
| Product name | Aluminum frame | Blind Joint Parts | Frame cap | Groove cover | nut |
|---|---|---|---|---|---|
| photograph | ![]() | ![]() | ![]() | ![]() | ![]() |
| Product page | Here | Here | Here | Here | Here |







































