Button Head Screws For Aluminum Frames
:
MISUMI
- European standard specifications, with different sizes, can only be matched with economic type European standard profiles starting with L.
- European standard economic type new products, with different sizes, can only be used in combination with European standard economic type profiles starting with L.
Internal connection of profiles is convenient for repeated disassembly. It is recommended to use special semicircular head bolts for class 12.9 high strength alloy steel.
This is an economy item, The price is cheaper than the MISUMI standard product.
Product Overview
Concealed(invisible) joint parts/frame with joints and are special connectors for Economy series aluminum frames
Features
Concealed(invisible) joint parts/frame with joints is easy to disassemble repeatedly and uses class 8.8 high-strength alloy steel. Screw size is M6/M8/M12
Features
Concealed(invisible) joint parts/frame with joints is easy to disassemble repeatedly and uses class 8.8 high-strength alloy steel. Screw size is M6/M8/M12
Dimensional Drawing
See the dimensional drawing as follows : Unit (mm)
![]()
| Type | Material | Surface Treatment |
| LBJB | Carbon Steel | Nickel Plated |
Specification Table
● Bolts
| Part number | Nominal of Thread M | Length L |  QTY per Package(optional) | Strength Class | |
 Type |  Slot Width | ||||
| LBJB | 6 | 6 | 10 | 50P (50 pcs/pack) | 6.8 |
| 12 | |||||
| 16 | |||||
| 20 | |||||
| 8 | 8 | 12 | |||
| 16 | |||||
| 20 | |||||
| 25 | |||||
| 30 | |||||
| 10 | 12 | 30 | 20P (20 pcs/pack) | 4.8 | |
●Blind Joint Parts
| Type | Sale in Pack | L | W | H | L1 | W1 | D | T | Mx | |
| Type | Connection Profiles | |||||||||
| LBSF | 30 | 10P (1pack10pcs) | 28 | 15 | 7.8 | 23 | 7.7 | 8.2 | 1.5 | M8 |
| 40 | 37 | 17.5 | 8.5 | 32 | 7.4 | 1.8 | ||||
| 45 | 38 | 21 | 11.3 | 33.4 | 9.9 | 12.4 | M12 | |||
Example of Use
Example of Use
■Profiles assembling example
| Diagram 1 | Diagram 2 |
 |  |
Related Products
Related recommended products are as follows
| Recommended product 1 | Recommended product 2 | Recommended product 3 |
| (Economy series) European standard 40 series aluminum profiles Groove width 8mm | Special outer connecting plate for European standard aluminum alloy profiles | (Economy series) Special elastic fastener for European standard aluminum alloy profiles with groove width of 8mm |
 |  |  |