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Sanwei:Your Professional Hexagon Head Screws Manufacturer!

Hebei Sanwei Fasteners Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sale of fasteners, located in Hebei Province, China. Since its establishment,wei has been committed to providing customers with high-quality, high-performance fastener solutions, which are widely used in various fields such as construction, machinery manufacturing, automobile, and power communication.

Cross Recessed Hexagon Head Screw
The cross recessed hexagon bolt is a commonly used fastening component in mechanical and construction fields. It consists of a head and a shank. The head of the bolt is hexagon - shaped, which
Stainless Steel Hexagonal Screws
Standard: DIN933/931. Name: Stainless steel hexagon screws. Material: 304, 316 stainless steel. Grade: A2-70, A4-70
Hexagon Head Self-Tapping Screws
Standard: DIN7504. Name: Hexagon head self-tapping screws. Material: carbon steel and alloy steel, etc.. Grade: 4.8 grade, 5.8 grade, 8.8 grade
Hexagon Socket Cap Screw
Standard: DIN912. Name: Hexagon socket cylindrical head bolts. Material: carbon steel and alloy steel, etc.. Grade: Grade 4.8, 5.8, 8.8
Black Hex Head Screws
Standard: DIN933/931. Name: Black hexagon head screws. Material: carbon steel and alloy steel, etc.. Grade: Grade 4.8, Grade 5.8, Grade 8.8
Hex Head Wood Screws
Standard: DIN571. Name: Hexagon head wood screws. Material: carbon steel and alloy steel, etc.. Grade: Grade 4.8, Grade 5.8, Grade 8.8
Flanged Hex Head Screws
Standard: DIN6921. Name: Flanged Hex Head Screws. Material: carbon steel and alloy steel, etc.. Grade: Grade 4.8, Grade 5.8, Grade 8.8, Grade 10.9, Grade 12.9
Stainless Steel Hex Self-Tapping Screws
Standard: DIN7976. Name: Stainless steel hexagon head tapping screws. Material: 304, 316 stainless steel. Grade: A2-70, A4-80

Why Choose Us

OEM/ODM Service
Our customised fasteners are made to your special requirements. It can be fully threaded or partially threaded, and the thread, driving method, material, length, head shape, plating and all these can be specially designed according to your needs.

Good CNC machining technology
From material selection to finished products, Handan Sanwei provides you with comprehensive solutions when it comes to customised fasteners. The fasteners we make are high precision and strong. No matter what kind of precision you need, we can meet it and guarantee your satisfaction.

Strong engineering design team
Our company has an excellent and professional engineering team, and a number of technicians are elites in the industry. The staff always strives to explore new methods and technologies. From the selection of metals and special alloy materials to the finished fasteners, we can solve all aspects of the whole project engineering.

Professional Testing Laboratory
Quality assurance and testing is an important part of producing fasteners. Handan Sanwei has a specialised quality testing laboratory with spectrometers, hardness testers, tensile testers, salt spray test chambers and other equipment, where raw materials and final products are strictly tested. In addition, the company also has experienced testing experts who use professional methods to comprehensively test the fasteners and finally give you a detailed test report.

Digital Quality Control System
We rely on our self-developed full-process digital quality inspection system to strictly control every step from raw materials entering the factory to finished products being shipped. This system will always monitor the quality of the products to ensure that each batch of products meets the industry standards and complies with customer requirements. In addition, it collects and feeds back data in real time, giving you a clear understanding of product quality.

Advantages of Hexagon Head Screws

Increased Torque: The six-sided shape of the hex head allows for better grip and increased torque transfer during tightening or loosening. This makes hexagon head screws ideal for applications requiring higher levels of torque, such as automotive, machinery, and construction.

Versatility: Hexagon head screws are available in various sizes and lengths, making them suitable for a wide range of applications. They can be used with nuts, washers, or other fasteners to create strong and secure connections.

Secure Fastening: The hex head design provides a large contact surface area between the screws and the tool, ensuring a secure grip and reducing the risk of rounding or slipping. This enhances the overall integrity of the fastened joint and minimizes the chances of loosening over time.

Easy Installation and Removal: The six-sided shape allows for quick and efficient installation or removal using a wrench or socket. This saves time and effort during assembly or maintenance tasks, making hexagon head screws a preferred choice in industries where efficiency is critical.

Resistance to Stripping: The hex head design provides better resistance to stripping compared to other head types, such as Phillips or slotted. The multiple flat sides of the hexagon distribute torque evenly, reducing the risk of the tool slipping or damaging the fastener.

Specification

Standard	DIN
Name	Hexagon Head Screws
Material	Carbon steel and alloy steel, Stainless Steel
Grade	Grade 4.8, Grade 5.8, Grade 8.8
Nominal diameter	M2-M48
Pitch	0.4-5
Surface treatment	ZP,YZ,BLACK,nickel-plated,passivated, polished

Application of Hexagon Head Screws

Construction and Building

In the construction industry, hexagon head screws play a vital role in structural connections, securing beams, columns, and other critical elements. Their strength and durability make them essential for ensuring the safety and stability of buildings and structures.

Automotive Industry

From engine parts to body panels, hexagon head screws are ubiquitous in the automotive sector. They are chosen for their reliability and ability to withstand the rigors of daily driving, including vibrations and temperature fluctuations.

Manufacturing and Machinery

In the assembly of machinery and equipment, hexagon head screws are indispensable. They help in assembling and securing parts, contributing to the overall robustness and functionality of the machinery. This is crucial in industries where downtime due to equipment failure can be costly.

Furniture and Home Fixtures

Whether it’s assembling a new piece of furniture or installing home fixtures, hexagon head screws are often the preferred choice. They provide a secure and durable connection, ensuring that your furniture remains stable and safe over time.

Electronics and Electrical Work

In the electronics and electrical fields, hexagon head screws are used in the assembly of enclosures, control panels, and installations. They ensure proper grounding and component security, which is critical for the safe and efficient operation of electronic devices.

DIY Projects and Repairs

For those who enjoy hands-on projects, hexagon head screws are a staple. They are easy to find at hardware stores and simple to use, making them perfect for a wide array of home improvement projects and repairs.

Types of Hexagon Head Screws

Hex Cap Screws

Hex cap screws are precision-manufactured with tight tolerances and are commonly used in construction, machinery, and automotive applications. They are designed for use in pre-threaded holes and can achieve a firm connection without requiring a nut.

Hex Socket Head Cap Screws

Hexagon socket head cap screws feature a cylindrical head with an internal hex drive. These screws are popular for applications requiring a clean, flush appearance and easy assembly in tight spaces.

Hex Set Screws (Hex Grub Screws)

Hexagon socket set screws, also known as hex grub screws, lack a traditional head and are fully threaded. These screws are primarily used to secure one component inside or against another, such as fastening a pulley to a shaft.

Flange Hex Screws

Flange hex screws come with a built-in washer-like flange at the base of the head, which distributes the load over a larger area. This eliminates the need for a separate washer in many cases.

Self-Tapping Hex Screws

Self-drilling hex screws are commonly referred to as Tek® screws, and they do just what the name suggests. These screws self-drill as you install them, eliminating the need to pre-drill a pilot hole. They are suitable for metal-to-metal applications and have a fluted tip available in various lengths, depending on how thick the metal you’re working with is.

Hex Lag Screws

Hex lag screws, also known as lag bolts, are heavy-duty fasteners used for securing heavy objects to wood or other soft materials. They feature a coarse thread and a pointed tip for penetration.

Shoulder Hex Screws

Shoulder hexagon screws have a smooth, unthreaded section (shoulder) between the threaded portion and the head. These screws are used when rotational or sliding motion is required for the fastened parts.

Using Hexagon Head Screws: A Step-by-Step Guide

Successfully using hexagon head screws involves several steps, each of which requires careful attention:

Preparation

Gather all the necessary tools and materials. This typically includes a wrench or socket set that fits your screws, a screwdriver, and possibly a drill if pre-drilled holes are not present.

Placement

Position your materials and ensure that the holes align. If using a drill, create a pilot hole to guide the screw and prevent splitting the material.

Installation

Insert the screw into the hole and begin tightening using your chosen tool. Apply steady pressure and turn clockwise until the screw is secure.

Finishing

Check the connection for stability. If it's loose, additional tightening may be required.

Packaging and Shipping

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FAQ

Q: I need a customized fastener, but it's not on your website. What do I do?

A: Please send us your request with detailed drawings or photos, then we will make the quotation for you accordingly.

Q: In general, how long can delivery be made after receiving an order?

A: Regular orders can be completed and shipped within 15-20 working days after receiving the deposit and confirming product details.

Q: During the product usage process, if we encounter technical problems, can you provide technical support?

A: Sure. We have a professional technical team that can provide you with technical consultation and guidance through methods such as telephone, email, or video conference.

Q: What is the packaging method of the product?

A: 50KG bag and pallet.

Q: What is the difference between a hex head screw and a bolt?

A: In general, hex head cap screws are a little more refined and precise than hex bolts. They have tighter tolerances across the board, no matter the size of the part. For example, the minimum body diameter for a ¼” nominal size hex head cap screw is 0.245” and the maximum is 0.250” — a 0.005” difference.

Q: How to screw in hex head screws?

A: To screw in a hex head screw, you'll need a wrench or an Allen key (also known as a hex key). The correct tool will depend on the screw's head type (hex bolt or hex cap screw) and the size of the hex head. Turn the screw clockwise to tighten and counterclockwise to loosen.

Q: What is the difference between a hex head and socket head screw?

A: Head Design: Cap screws have a large, flat hexagonal head, while socket screws have a cylindrical head with a hexagonal socket. Installation Tool: Cap screws require a wrench for installation, whereas socket screws require an Allen wrench or hex key.

Q: How do you use a hex head screw?

A: Hex bolts are installed by turning a nut to tighten the fastener. Hex cap screws are installed into tapped holes by turning the head to assemble and tighten. Hex bolts have neither the washer face nor chamfered point. Hex cap screws feature a washer face on the bearing surface and the chamfered point.

We're professional hexagon head screws manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to wholesale customized hexagon head screws made in China here from our factory. Contact us for quotation.

Hex Head Wood Screws, Stainless Steel Hex Self Tapping Screws, Hexagon Head Self Tapping Screws