M4 patch nut Circuit board welded copper column PCB motherboard
tinned surface paste nut
Description
SMT patch nuts are a type of threaded fastener that is designed to
be installed on the surface of a printed circuit board (PCB). The
nuts are constructed using a metal material, typically brass, and
feature a small flange at the bottom to grip the PCB. The threaded
component of the nut is located at the top, which allows for a
screw or bolt to be tightly fastened onto the surface of the board.
These nuts are specifically designed for use in surface mount
technology (SMT) applications. This means that they are intended to
be soldered directly onto the surface of the PCB, rather than being
attached using screws or other mechanical fasteners. This allows
for a more secure and space-saving connection, particularly in
applications where space is at a premium.
SMT patch nuts are available in a range of sizes and thread types,
allowing them to be used in a wide variety of applications. They
are commonly found in electronics applications such as mobile
phones, laptops, and other consumer and industrial products.
One of the main benefits of SMT patch nuts is that they provide a
strong and reliable connection to the PCB surface. The nut's flange
ensures that it stays firmly in place during soldering, and the
threaded component allows for a secure and stable connection when a
screw or bolt is attached. Additionally, their small form factor
makes them ideal for use in applications where space is at a
premium.
Overall, SMT patch nuts are an essential component in many
electronics applications. Their reliability, durability, and
compact design make them an ideal choice for SMT installations.
Finish
Brass tinning, also known as brass plating, is the process of
depositing a thin layer of tin onto a brass surface. This process
is commonly used to improve the appearance and durability of brass
products. The tin layer also provides additional protection against
corrosion and oxidation.
Brass tinning involves several steps, including cleaning the brass
surface, preparing the tin-plating solution, and electroplating the
brass with tin.
First, the surface of the brass is cleaned thoroughly to remove any
dirt, grease, or other contaminants that may interfere with the
plating process. This is typically done with a combination of
solvents and mechanical cleaning techniques, such as sanding or
polishing.
Next, the tin-plating solution is prepared. This usually involves
dissolving tin salts, such as stannous sulfate, in water, along
with other chemicals that help regulate the plating process. The
solution is typically heated to a specific temperature before use.
The brass object is then suspended in the tin-plating solution and
an electric current is applied. The current causes tin ions to be
attracted to the surface of the brass, where they combine with the
brass to create a thin layer of tin.
The thickness of the tin layer can be controlled by adjusting the
duration of the plating process and the strength of the electric
current. Once the desired thickness is reached, the brass object is
removed from the solution and rinsed with water to remove any
remaining plating solution.
Finally, the tin-plated brass is polished to a smooth finish to
enhance its appearance and improve corrosion resistance.
Brass tinning is commonly used in applications where brass parts
are exposed to harsh environments, such as marine environments or
chemical processing plants. It is also used in decorative
applications, such as brass door handles or brass jewelry.
| Product name | M4 patch nut Circuit board welded copper column PCB motherboard
tinned surface paste nut |
| Material | Copper |
| Process | Cold Forging , CNC machining |
| Dimensions | M4 |
| Color | Sliver |
| Surface finish | tinning |
| Color | Blue and white |
| Packing | Customer's Demand |
| Service available | OEM /ODM/Customized/Design |
| Quality control | 0 defects,100% inspection before packing |
| Inspection machine | CMM inspection machine, X-ray flaw detection instrument, Calipers |
| Sample | can be provided for confirmation before order. |
Drawing:
Factory Display
Package picture display
Heat Treatment Room display
Inspection Equipment
Q:What is your fee terms?
A:We take transport of TT/LC.
Q:Can you grant your product catalogue?
A: Yes, which product most hobby you and we will grant it.
Q: If there are nice troubles on products,what have to we do?
A: Take images and supply extra important points, we will
evaluation it rapidly and determine what we want to do.
