

Product Details Display

5/16" Stud Terminal
The 12v bus bar is 4 x M8 (5/16") stud and 3 x M4 (#8) screw terminal design, can allow max 250A current pass through the battery terminal block.

Protect Cover & Nuts
Each junction block will come with a cover and two nuts, which will shelter most exposed contact areas to reduce the risks of short circuit or touch.

M4 (#8) Screw Terminal Design
The 12v bus bar comes with M4 Terminal Screws. You simply insert the wire into the ring terminal and secure the terminal to the terminal block.

M4 (#8) Screw Terminal Design
The 12v buss bar comes with M4(#8) terminal screws. You simply insert the wire into the ring terminal and secure the terminal to the terminal block.


Joinfworld Automotive Battery Bus Bar


Product Details Display

5/16" Stud Terminal
The 12v bus bar is 4 x M8 (5/16") stud and 3 x M4 (#8) screw terminal design, can allow max 250A current pass through the battery terminal block.

Protect Cover & Nuts
Each junction block will come with a cover and two nuts, which will shelter most exposed contact areas to reduce the risks of short circuit or touch.

M4 (#8) Screw Terminal Design
The 12v bus bar comes with M4 Terminal Screws. You simply insert the wire into the ring terminal and secure the terminal to the terminal block.

M4 (#8) Screw Terminal Design
The 12v buss bar comes with M4(#8) terminal screws. You simply insert the wire into the ring terminal and secure the terminal to the terminal block.


Joinfworld Automotive Battery Bus Bar
![]() 250A Bus Bar 4x3/8" Stud | ![]() 250A Bus Bar 4x5/16" Stud | ![]() 250A Bus Bar 3x5/16" Stud | ![]() 300A Bus Bar 4x3/8" Stud | ![]() 400A Bus Bar 4x5/16" Stud | ![]() 500A Bus Bar |
|---|---|---|---|---|---|
| Customer Reviews | |||||
| — | — | — | — | — | — |
| Price | |||||
| — | — | — | — | — | — |
| Current Rating | |||||
| 250A | 250A | 250A | 300A | 400A | 500A |
| Stud Terminal | |||||
| 4×3/8"(M10) Studs | 4×5/16"(M8) Studs | 3×5/16"(M8) Studs | 4×3/8"(M10) Studs | 4×5/16"(M8) Studs | 4×5/16"(M8)+2×3/8"(M10) Studs |
| Color | |||||
| Red&Black | Red&Black | Red&Black | Red&Black | Red&Black | Red&Black |
| Features | |||||
| Protect Cover & Nuts | Protect Cover & Nuts | Protect Cover & Nuts | Protect Cover & Nuts | Protect Cover & Nuts | Protect Cover & Nuts |
| Bar Bus Thickness | |||||
| 3.8MM | 3.8MM | 3.8MM | 7MM | 8MM | 8MM |
| Material | |||||
| Copper | Copper | Copper | Copper | Copper | Copper |















































