Brass Flat Washer Kit

The Brass Flat Washer Kit is mainly punched out with an iron plate. The shape is generally a flat washer with a hole in the middle. The hole size is generally determined according to the customer's requirements. Today we’ll introduce some information about Special Flat Washers.

Types of Special Brass Flat Washer Kit

The Special Brass Flat Washer Kit can be divided into two parts according to the material:

Nonmetallic washer: washer made of asbestos, rubber, synthetic resin, polytetrafluoroethylene, and other nonmetals

Semi-metallic washer: washer made of metal and non-metallic materials, such as spiral wound gasket and metal-coated gasket

Metal washer: washer made of steel, aluminum, copper, nickel, or Monel.

How to select and process Brass Flat Washer Kit materials?

In threaded fasteners, because the bearing surface of bolts, screws, and nuts cannot be made very large (limited by materials and processes), washers are selected to reduce the compressive stress on the bearing surface and maintain the appearance of the connected parts.

Material selection of Brass Flat Washer Kit

The Special Flat Washers shall be made of hot-rolled steel plate, hot-rolled and pickled steel plate, or cold-rolled steel plate. It may be made by bar and pipe cutting, rolling, forging, and other processing methods. The detailed processing method shall be selected and confirmed by the manufacturer.

Processing technology of Special Flat Washers

There are two kinds of Special Flat Washers processing technology, one is deburring treatment, and the other is surface maintenance treatment; For deburring treatment, the Special Flat Washers shall be polished or other methods to remove burrs and flash. Surface maintenance treatment: the surface treatment of washer products in the specification shall be distinguished by coating (thick) and coating (thin), which shall be the same as that of other fastener products - Bolts (screws, studs) and nuts.

Warm reminder: Special Flat Washers without maintenance layer. If there are no other regulations, the appearance of the washer shall be ordinary, that is, there is no other coating (plating) except antirust oil.

What material is the Special Flat Washer made of?

According to the functional grade of Special Flat Washers, it is recommended to use materials:

• For 100hv grade, ST12, ST13, Q235, Q215, Q195, etc. can be selected, and the surface hardness can reach about 110hv;

• For 140hv grade, 08F, 08Al, 10, 10F, etc. can be selected, and the surface hardness can reach about 140hv;

• For 200hv and 300hv grades, 45, 50, 60, 70 steel, or 65Mn steel shall be selected, which can meet the technical requirements of 200 - 300hv and 300 - 400hv through heat treatment, quenching, and tempering.

Because according to the specification, the flat washers of 100hv and 140hv can be made of low-carbon steel. When selecting materials, most enterprises choose Baosteel materials, which are convenient for cold stamping.

Searching for a Brass Flat Washer Kit For Sale from China, you can get a high-quality Flat Washer With Square Hole at a nice price. Any interests, welcome to contact us at any time.