A2 A4 Allen bolts, China A2 A4 Allen bolts Manufacturers, Suppliers, Factory

There arecarriage bolts, hexagonal bolts, flange bolts, etc., which are available in various types and sizes, and are often used in automobile, photovoltaic and other industries.Surface treatment: Dacromet coating,Teflon coating,Gumet, Ruspert cover, Nickel plating, zinc coat, galvanized.Advantages: high-quality materials, diverse types, good stability.Cylindrical head hex head screw, also referred to as hex head bolt, cup head screw, hex head screw, its name is not the same, but the meaning is the same. Generally used hex cylindrical head screws, then there are 4.8, 8.8, 10.9, 12.9. Also called hex screws, also called hex bolts. Its head is hexagonal head, but also cylindrical head. There are stainless steel and iron by material. Stainless steel has stainless steel SUS202 hex cylindrical head screws, this is stainless steel ordinary material, there are stainless steel SUS304 hex cylindrical head screws, there are stainless steel SUS316 hex cylindrical head screws. According to the strength of the hex.

Products name	Hexagon socket head cap screws
Standard:	DIN,ASTM/ANSI JIS EN ISO,AS,GB
Material	Stainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L ,F594
Material	Steel Grade: DIN: Gr.4,5,6,8.8,10,; SAE: Gr.2,5,8; ASTM: A563
Finishing	Polishing, Plain, Sand Blasting
Finishing	Polishing, Plain, Sand Blasting
Related products	hex bolt；socket bolt；carriage bolt；T bolt