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Bullet terminal series for automotive repair B-1 / B-2, B-1-24K / B-2-24K
Bullet Terminal B-1
How to Crimp Wire Bullet Terminals
50 years of tradition and plenty of delivery results. Reliable quality praised by professional mechanics
For our bullet terminal for automobile repairs called "B-1" and "B-2" series, we have developed the product based on the concept of "only for automobile repair parts" to maximally meet exact requirements of professionals. For its production, we have maintained high quality of the product itself by sticking to "Materials Made in Japan" "Production by ourselves", which is gaining a high reputation both in Japan and overseas.
Proof of safety & confidence: "MADE IN JAPAN". This product has been sold for 50 years mainly in the automobile repair parts market both in Japan and overseas.  
For our bullet terminal, we have developed the product only for automobile repair parts to improve the work efficiency which is required for automobile maintenance. This is a professional use model that reflects our years of experience we have cultivated as a comprehensive manufacturer of crimp wiring terminals only for automobile repair parts.
When you crimp electric wire to a terminal with a hand tool, you can preform the terminal to reduce the slope of the terminal, which is a weakness of the hand tool. This allows “light” and “secure” crimping, realizing reduced working time and a good finish.
Since this is a professional use product assuming its use by professional mechanics, we have pursued conductivity as a concept from the product development stage. Paying attention to "material", "thickness" and "surface area", we have secured high conductivity.
Facts on conductivity of copper
The more copper the material contains, the higher the conductivity becomes. On the contrary, the less copper the material contains, the lower the conductivity becomes.
Since this is a professional use product, we have thoroughly paid attention to surface plating to pursue quality to every detail. Conduct tin plating (shiny) or 24K plating (gold plating) after product press to apply plating treatment not only to the product surface but also to the cut plane, which helps to prevent corrosion of the product itself and to reduce conductivity.
Beneficial advice for crimping bullet terminals
A crimping tool used for crimping terminals, as well as preform/non-preform of the product itself, has a significant effect on the good finish of bullet terminal crimping. Hero Electric crimping tool (B-14 and FRH-07) delivers smooth and reliable crimping by buffing the tooth form which influences the crimp performance.
Specification
Product name Male Bullet Terminal Female Bullet Terminal
Product B-1 B-2
Parts number B-1 B-2
Alloy number JIS C2600
Material Brass copper Type I
Surface finish Tin-plating (gloss)
Applicable wire size [mm2] 0.50mm2~2.00mm2
[AWG] #16~#10
Application tool B-14, FRH-07, FRC-200
Product name Male Bullet Terminal Female Bullet Terminal
Product B-1-24K B-2-24K
Parts number B-1-24K B-2-24K
Alloy number JIS C2600
Material Brass copper Type I
Surface finish 24K plating (gold plating)
Applicable wire size [mm2] 0.50mm2~2.00mm2
[AWG] #16~#10
Application tool B-14, FRH-07, FRC-200
How to Crimp Wire Bullet Terminals. How to Crimp Wire Bullet Terminals in an Easy-to-Understand Way
In the past, wire bullet terminals and crimping tools were for professional use, but nowadays they are increasingly being used by the general public.
Crimping a wire bullet terminal requires proper knowledge and skills. Incomplete crimping can lead to poor contact and broken wires.
That's why Hero Electric has prepared this manual with the concept of "making it easy for anyone to understand".
This time, the male bullet terminal (Part No. B-1) is used as an example.
Step 1, Preparing the product
There are two types of Hero Electric crimping tools that can crimp bullet terminals: FRH-07 and B-14. The FRH-07 is used here.
FRH-07
Compatible product
Male bullet terminal Female bullet terminal Male bullet terminal Female bullet terminal insulation sleeve insulation sleeve
Tin-plating (gloss) 24K plating (gold plating)
B-1 B-2 B-1-24K B-2-24K B-3 B-4
The crimping tool is equipped with a cutter to cut the wire, so you can work without nippers or other tools.
If the terminal is attached first, the sleeve will not be able to pass through, so the insulation sleeve should be passed through first. (In this manual, the male terminal is crimped at first, but you may crimp the female terminal first.)
Select the teeth according to the thickness of the core wire. The length of the INS (wire insulation) to strip should be about 1 mm longer (4-5 mm) than the crimped part of the terminal.
Grip the tool until the "CLOSE→←HERE" indications closes, and then pull it in the direction of the arrow to remove the INS (wire insulation).
Lightly pinch and fix the center of the wire core crimping part of the wire bullet terminal (Part No. B-1), and insert the wire into the wire core crimping part.
Crimp the core wire by grasping the tool tightly until "CLOSE→←HERE" is closed.
Crimp the INS (wire insulation) by placing it between the crimping teeth.
Insert the insulation sleeve into the terminal side. Make sure that the wire insulation crimped part of the terminal has been placed in the specified position for the insulation sleeve as shown in the following figure:
The installation procedure for the female terminal is the same as Steps 3 to 8 of the male terminal.
When crimping the insulation presser of the terminal onto the wire insulation, use the "M-shaped" tooth profile for the insulating part.
When crimping a waterproof rubber plug (wire seal), use the "round-type" tooth profile for the insulating part.
 
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