Products Description
The Phillips Countersunk Head Hi-Low Concrete Screws are specially designed fasteners for use in concrete, brick, and masonry applications. These screws feature a countersunk Phillips head that allows for flush installation, ensuring a clean, professional finish. The Hi-Low thread design ensures superior grip and holding power, making these screws ideal for heavy-duty applications. The screws are engineered to provide high tensile strength and excellent corrosion resistance, ensuring long-term performance even in harsh environments.
The Hi-Low thread pattern optimizes the screw's performance in concrete, providing both excellent pull-out resistance and enhanced stability. The Phillips countersunk head helps prevent the screw from protruding, allowing for a seamless and aesthetically pleasing finish. These screws are widely used in both residential and commercial applications, offering a reliable solution for a variety of projects requiring secure anchoring in concrete or masonry.
Technical Parameters:
Material: Carbon steel, stainless steel, or alloy steel
Thread Type: Hi-Low thread design for enhanced grip and holding power
Head Type: Phillips countersunk head for a flush, clean finish
Size Range: From #6 (3.5mm) to #12 (6mm) diameter, with lengths from 1 inch (25mm) to 3 inches (75mm)
Coating: Zinc-plated, black oxide, or other corrosion-resistant coatings
Tensile Strength: Minimum of 50,000 psi (340 MPa)
Corrosion Resistance: Excellent, particularly with zinc-plated or galvanized coatings
Drive Type: Phillips drive for ease of installation
Maximum Load Capacity: Varies by screw size, ranging from 200 lbs to 1,000 lbs (90 kg to 450 kg)
Drilling Requirement: Requires a pre-drilled hole in concrete or masonry
Temperature Range: Can withstand temperatures up to 300°F (150°C) without degradation
Application Type: Permanent installation for concrete, brick, and masonry
Compliance Standards: Meets ISO 9001, ASTM A307, and other relevant standards
Products Process
The production of Phillips Countersunk Head Hi-Low Concrete Screws involves several stages of meticulous craftsmanship and advanced technology to ensure consistent quality and performance:
Material Selection: High-quality carbon steel, stainless steel, or alloy steel is selected for the screw body to ensure durability and tensile strength. These materials undergo rigorous testing to meet the required standards for strength, corrosion resistance, and surface finish.
Cold Heading: The screw is formed using a cold heading process, which involves compressing the steel under pressure to create the basic shape of the screw. This process helps maintain the material's integrity and enhances its strength by avoiding unnecessary heat treatment during the shaping process.
Thread Rolling: The threads are rolled onto the screw body using a precise thread-rolling technique. The Hi-Low thread design is achieved by rolling the threads to specific depths and angles, ensuring that the threads provide maximum grip and holding strength, reducing the likelihood of slippage or loosening under stress.
Heat Treatment: After forming, the screws undergo a heat treatment process to increase their hardness, tensile strength, and overall durability. This process involves controlled heating and cooling to optimize the material's properties.
Surface Coating: The screws are coated with a protective layer, such as zinc plating or black oxide coating, to enhance corrosion resistance and increase longevity, particularly in outdoor or damp environments. The coating also reduces friction during installation and prevents the screw from rusting over time.
Countersinking: The heads of the screws are precisely countersunk to ensure they sit flush with the surface of the material once installed. This step ensures a neat and professional appearance and eliminates the risk of damage to surrounding materials.
Quality Control: Every batch of screws is subjected to rigorous quality control measures. These include visual inspections, dimensional checks, and mechanical testing to ensure the screws meet the required specifications for strength, functionality, and surface finish.
Products Application
The Phillips Countersunk Head Hi-Low Concrete Screws are versatile fasteners designed for use in a variety of construction and industrial applications. Their high holding strength and corrosion resistance make them ideal for the following uses:
Concrete and Masonry Fixings: These screws are perfect for securing items to concrete, brick, and other masonry surfaces, such as light fixtures, signage, frames, and electrical boxes.
Heavy-Duty Applications: With their superior thread design, these screws can support heavy loads, making them suitable for anchoring structural components like beams, supports, and brackets in construction projects.
Interior and Exterior Fixtures: Their corrosion-resistant coating ensures that these screws can be used in both indoor and outdoor settings, including mounting fences, securing garage doors, and installing outdoor lighting.
Furniture and Fixtures Installation: These screws are commonly used in the installation of furniture, shelving systems, and other fixtures where secure attachment to masonry or concrete is required.
Automotive and Industrial Applications: The screws can be used to attach components to concrete or masonry in factories, warehouses, or industrial plants.
Signage and Lighting: These screws are ideal for mounting outdoor signs, street lights, or security cameras, providing a secure hold even in challenging environments.
FAQ
Q: Can you do OEM and ODM?
A: Yes, OEM and ODM are both acceptable. The material, color, style can customize, the basic quantity we will advise after we discuss.
Q: Can we use our own logo?
A: Yes, we can print your private logo according to your request.
Q: Can you do our own packaging?
A: Yes, you just provide the package design and we will produce what you want. We also have the professional designer can help you do the packaging design.
Q: How many different types of products your company manufactures?
A: Now we have more than 1,000 products. We have a strong advantage of OEM, just give us the actual products or your idea that you want, we will manufacture for you.
Q: What's your MOQ?
A: If we have the products in stock, it will be no MOQ. If we need to produce, we can discuss the MOQ according to customer's exact situation.
Q: How long is your delivery time?
A: The general delivery time is 30-45 days after receiving your order confirmation. Anther, if we have the goods in stock, it will only take 1-2 days.
Q: Do you provide sample ? Is it free?
A: If the sample is low value, we will provide the free sample with freight collect. But for some high value samples, we need to collect the sample charge.
Q: What is your term of payment?
A:Amount less than $1000, 100% paid before production, more than $1000 can be negotiated!
Q: Which payment form you can accept?
A: T/T, Western Union, PayPal etc. We accept any convenient and swift payment term.
Q: Do you have the test and audit service?
A: Yes, we can assist to get the designated test report for product and the designated factory audit report.
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