High Quality M4-M8 304 Stainless Steel Bolt Washer Hex / Round Head Combo

Product Description

Product Description

Product Name: Hexagonal Screw

Product Overview:

Hexagonal screw is a standard fastener with a hexagonal head, which can be tightened or loosened by rotating its hexagonal head to achieve connection or fixation. Its design is simple, strong, and easy to install, making it an indispensable basic component in industrial production and daily life.

Product features:

Diverse materials: Hexagonal screws can be made of various materials such as carbon steel, stainless steel, alloy steel, copper, aluminum, etc., according to the usage environment and requirements, to meet different strength and corrosion resistance requirements.

Complete specifications: Provides a variety of diameters, lengths, and thread types to choose from, such as metric threads, imperial threads, etc., to meet the needs of different application scenarios.

Surface treatment: The surface of screws can be treated with various methods such as galvanizing, blackening, Dacromet, and spray coating to improve their rust prevention, corrosion resistance, and aesthetic performance.

High strength: The hexagonal screw design is reasonable and can withstand large axial and shear forces, ensuring the stability and reliability of the connection.

Easy to install: The hexagonal head design facilitates the use of tools such as wrenches and screwdrivers for tightening and loosening, improving work efficiency.
 

 

Detailed Photos

 

Product Parameters

Specifications	Head diameter	Diameter of gasket	Gasket thickness
M3	5.3	6.8	0.5
M4	6.6	8.7	0.7
M5	7.7	9.8	0.9
M6	9.7	11.6	1.5
M8	12.7	15.6	1.8
M10	15.6	19.5	2.3

Certifications

Packaging & Shipping

Company Profile

Qingdao Xinquanxi Metal Products Co..Ltd. was established in 2001 (formerly known as Qingdao Quanxi Hardware Cable Co., LTD.), located in Jimo District, Qingdao city, the company was mainly engaged in the production and sales of Japanese open-body turnbuckle, die forging shackles, products are mainly sold to the United States, Russia, Japan and other countries.

In September 2019, with the continuous development of the company's business, it merged with Qingdao Ruihongjie Industry and Trade Co., LTD., and changed the company name to Qingdao Xinquanxi Metal Products Co., LTD.  At the same time, the business range is gradually expanding, the main production and operation of hardware rigging, wire rope connecting parts, hardware machinery, Marine and automobile connecting parts, all kinds of forging, sheet metal, stamping, casting parts and other products.  After more than 20 years of development, we have established a complete system, with strong technical capacity, mature production methods, advanced production equipment and testing methods.

 We always adhere to the principle of quality first, safe production, timely delivery, customer satisfaction after sale service, and constantly research and learn product expertise, with the best quality products to serve customers.  

FAQ

1.Are you a factory or a trading company?   
We have our own foundry and forging factory. The forging plant has 4 production lines and a history of more than 20 years;Foundry has a history of more than 30 years.

2.How do you control your quality?   
1: Control during r&d at the beginning of production
2:Production process control
3:Dimensional control
4:Tensile tests 
5:Quality inspection before delivery

3.Can we have our product markings on it? 
Yes, we can add product markings according to your requirements.

4.How about packing?
Woven bag, carton, plywood pallet or by customer requirements.