JX-21JG421-M27-37.2-ST, CNC carbon steel machined parts auto parts round nuts, self-locking nuts, automotive manufacturing application solutions, surface treatment environmental protection ROHS zinc-nickel alloy, neutral salt spray over 720 hours

Round nuts are often used with round nuts with stop washers, assembly of the washer tongue into the groove on the shaft, and the outer tongue of the washer embedded in the groove of the round nut, the nut is locked, or use double nuts to prevent loosening. Often used as the axial fixation of rolling bearings. Thread specifications for M10 × 1 ~ M200 × 3 round nuts. Thread specification D = M16 × 1.5, material 45 steel, slot or all heat treatment after the hardness HRC35 ~ 45, surface oxidation of the round nut mark: nut GB/T 812-88 M16 × 1.5.

The round nut on the shaft parts fixed advantages and disadvantages

Advantages: 

(1) can withstand large axial force, easy disassembly, and installation;

(2) used for parts and bearings farther away, can avoid the use of long sleeves, conducive to the fixing of parts;

Disadvantages: threaded teeth on the bearing load and receding groove on the strength of the bearing have weakened, and will cause stress concentration.

Some parts manufactured in the automotive industry can only function if they are connected to other parts during the assembly process. As a result, automotive parts manufacturing relies on designs with high tolerances and incorporates connecting mechanism features where fasteners are very common. Fasteners are critical in automotive parts manufacturing because they contribute to the assembly and function of automotive parts. There are different types of automotive fasteners depending on the material, composition, and intended function. Let's take a look at the different fasteners, their functions, and their possible applications.

1. Automotive fasteners by material

The most common way to classify automotive fasteners used in automobiles is by using the material of composition. They are generally divided into two categories: metals and plastics, each with different properties and functions depending on the characteristics of the material.

2. Classification by the use of composition materials is the most common method of classifying fasteners for business. It is generally divided into two main categories, metal, and plastic, each with different properties and functions according to the characteristics of the material.

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