Zinc Color factory supply DIN standard F436 flat washer M6 - M24 Grade 4.8

Zinc Color factory supply DIN standard F436 flat washer M6 - M24 Grade 4.8

Product introduction

Flat washer a flat washer punched out of an iron plate. The flat washer is mainly punched out of an iron plate. Its shape is generally a flat washer with a hole in the middle. There is a calculation formula in the "complete quality of standard fasteners" published by China standards publishing house. The formula is: weight of 1000 pieces m=0.00785 × {3.1416/4 × washer height ×〔 Square of outer circle diameter square of inner hole diameter]} Chinese name flat pad foreign name flat pad with a spring pad with a flat pad for fast navigation
The role of flat mats industry fundamentals
Define the English name of flat pad: flat pad
There are 2 flat pads in total. The function of the flat pad 1. Increase the contact area between the screw and the machine. 2. Eliminate the damage of the spring pad to the machine surface when removing the screws. When using, it must be a spring pad and a flat pad. The flat pad is next to the machine surface, and the spring pad is between the flat pad and the nut. The standard of flat mats varies from country to country. The following is the American flat mat standard:
Specifications
Specification
Inner diameter tolerance
Minor Diameter
Outer diameter tolerance
Outside Diameter
Thickness tolerance
Thickness Tolerance
Thickness tolerance decomposition
Thickness Tolerance
Disintegration
USS 3/16
6.22～6.73
14.15～14.66
0.91～1.65
0.91～1.40
1.40～1.65
USS 1/4
7.80～8.31
18.47～19.02
1.30～2.03
1.30～1.65
Expand the basic knowledge of all industries. The flat washer is mainly punched out of iron plate. The shape is generally a flat washer with a hole in the middle. The size and specification of this hole are generally determined according to customer requirements. Flat washers are usually thin pieces of various shapes, which are used to reduce friction, prevent leakage, isolate, prevent loosening or disperse pressure. Many materials and structures have such components, which are used to perform various similar functions. Due to the material and process limitations of threaded fasteners, the bearing surface of fasteners such as bolts is small. Therefore, in order to reduce the compressive stress on the pressure bearing surface and protect the surface of the connected parts, washers are used. In order to prevent the loosening of the connecting pair, anti loose spring washers, multi tooth lock washers, round nut lock washers, and saddle shaped, wavy, and conical elastic washers are used. The flat washer is mainly used to reduce the pressure. When some parts are tightened with a large axial force, it is easy to press the washer into a dish shape. At this time, it can be solved by using materials and improving the hardness. The locking effect of the spring washer is general, and the important parts shall be used less or not as much as possible, and the self-locking structure shall be adopted. For spring washers used for high-speed tightening (pneumatic or electric), it is best to use the washers with phosphating treatment on the surface to improve their wear reduction performance, otherwise it is easy to burn or open the mouth due to friction and heating, and even damage the surface of the connected parts. The spring washer structure shall not be used at the connection of thin plates. According to statistics, spring washers are less and less used in cars. Because of the large and uniform locking force, the connecting tooth shape in the tooth shaped elastic washer is used more in the automotive industry, while the spacer tooth shape is less.

Other fastener information

Our company

HANDAN YUETONG FASTENERS MANUFACTURING CO.,LTD is located in China’s largest fasteners production base---Yongnian fasteners centre.

Our factory was founded in 1991.We have several sets of advanced equipments, adopt advanced modern management and use high quality steel to produce high quality products. The products sold throughout the domestic and exported to Southeast Asia and Europe and other countries and regions. Our products win good reputation with domestic and foreign customers.
Our factory mainly produces: all kinds of flat washers, spring washers, expansion screws, hex nuts, flange nuts, hex bolts, flange bolts, sleeve anchor, fundation bolts, and thread robs with DIN, BSW, ANIS,.And we also provide the OEM, Meanwhile, we are manufacturing factory, so we can give you the best quality and the good price.

Advantages:

Packing & Delivery

1. Packing Details: Boxex on pallets; As customer's requirements.

2. Delivery Dtetails: 25 days after order