Metric Pitch Flat Head Machine Screw , Silver Color Countersunk Socket Head Cap Screw

Non-stardard Countersunk Head Screws Machine Screws Custom Fasteners

1. Description:

Countersunk head screws, also known as flat machine screws, flat head screw, its head, is a 90-degree cone, and common wood screws similar tool to tighten the head slot, an in-line, cross the inner hexagon .Hexagon Socket Countersunk Head Screws Machine Screws, which are also called hex bolts, cup head screws, socket head cap screws, its not the same name, but represent the meaning is the same. Commonly It is called hexagon socket head screws, then there are 4.8, 8.8, 10.9, 12.9. Also called SHCS, also called hex bolts. Its head is hex head, cylinder head also.Socket cap screws are a headed and externally threaded part designed for insertion through a close tolerance, internally tapped hole and mated with a nut. Tension on the socket cap screw is induced by rotation of the screw head. There is a hex socket in the head that accepts a hex wrench to tighten the socket cap screw. The point at the threaded end of the socket cap screw is machined flat so it will fit into a drilled hole. Flat head socket cap screws are similar in design to a button head.
Material stainless steel and iron. There are stainless steel SUS202 stainless steel hexagon socket head cap screws, this is an ordinary stainless steel material, there are stainless steel SUS304 hexagon socket head cap screws with stainless steel SUS316 hexagon socket head cap screws.
The most common stainless steel for general hardware use is stainelss steel 304, which is also called stainless steel 18-8.Stainless steel 316 is A highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments. More expensive than 18-8.
Flat head countersunk socket cap screws DIN 7991 are not intended for high strength application. The purpose of producing them with a strength of the property class 10.9 is to increase the wear resistance of the sockets. Insert the key into the socket and apply the torque on the nut while holding the key. Should however, the torque be applied on the screw itself it should be reduced accordingly.

Jiaxing Haina Fastener co. Ltd was established in 2010, located in the hometown of fasteners jiaxing city. For many years of export experience, our products has been best-selling in Europe, the United States, the Middle East and Southeast Asia. The products are manufactured by more functions machine, which is brought in domestic and foreign well-known enterprises. The products made are fully compatible with the international standards, well received by domestic and foreign customers. Through scientific management, Jiaxing Haina fastener Ltd company has been obtained ISO9000 certificate of Quality Managerment System, SGS and BV international certificate system of Make in China.

Product standards including DIN, ISO, GB and ASME/ANSI, BS, JIS AS. Main levels of carbon steel: 4.8, 4.8, 6.8, 8.8, 10.9, and 12.9 grade, the main material of stainless steel SS201, SS304, SS316 and various kinds of special stainless steel.

The width range of our products can be divided into auto fasteners, mechanical fasteners, construction fasteners, power fasteners, railway fasteners, household electrical appliances fasteners and chemical fasteners,

We have first-class service team, so we can meet the different requests for a set of customers. We solemnly commitment, first-grade quality, timely delivery guaranteed

Reasonable price and service paramount, forward to the operation principle of quality first and customer first, pursuit of excellence to create first-class brand, our aim is brand promoting development, management promoting earnings, warmly greeting home and abroad new and old customers to communicate and cooperate to seek greater success and brilliant future.