Brass Flanged Hex Head Screws for automotive

What are the differences between brass screws and bolts:

1, Copper screws: is also a class of fasteners consisting of two parts: the head and screw, according to the use can be divided into three categories: machine copper screws, set screws, and special-purpose copper screws. Mechanical copper screws are mainly used for a part with internal threaded holes, and a fastening connection between parts with a through hole, without the need for a nut, this form of connection is called copper screw connection, but also a removable connection; can also be used with the nut, for fastening connection between two parts with a through hole. Fastening copper screws are mainly used to fix the relative position between two parts. Special-purpose brass screws have lifting ring brass screws for lifting parts.

2. Bolt: a class of fasteners consisting of two parts: the head and the screw (cylinder with external thread), with the nut, used to fasten the connection between two parts with through-holes. This connection form is called bolt connection, such as the nut from the bolt screw down, and can make the two parts apart, so the bolt connection is removable.

Copper bolts and copper screws are used in different places, the bolt does not require high precision unless it is required to fit, the general bolt is easy to disassemble, has low processing accuracy, is not limited by the coupling material, is widely used, required to fit the bolt can withstand the lateral load. Copper screws are compact in structure, but they cannot be disassembled frequently and cannot withstand large forces.

Structure: bolts have a variety of styles of "head"; studs do not have a "head"; copper screws also have a variety of styles of "head", but the "head "There is a difference in the structure of the "head" of the brass screw, which generally has a slot for fastening, hexagonal, etc. The hand-tightened brass screw will be knurled on the "head". This makes the size of brass screws smaller.

Application: Bolts are generally used in pairs with nuts for through holes, which can be easily replaced after damage; studs are also generally used with nuts for blind holes, and when the connected parts need to be disassembled frequently; copper screws are also used for blind holes.

Packing: Inner is Poly foam, out is carton. Then pallet. Carton size: 29*19*19.5CM and 23.5*17.5*8, CM and pallet size is: 215*100*90CM, or as your requirement.

Packaging Delivery and Packaging Details

1. Shrink film+wooden box

2. Cardboard box+pallet

3. Color box

4. As per the customer's request