Flat Head Self Drilling Screw

DESCRIPTION:

A flat head self drilling screw is a type of fastener commonly used in construction and DIY projects. It combines the features of a self-drilling screw and a flat head screw. Here’s a breakdown of its key characteristics:

1. Self-Drilling: These screws have a drill-like point at the tip, which eliminates the need for pre-drilling holes in the material before inserting the screw. This feature is especially useful when working with metal or other hard materials.
2. Flat Head: The screw has a flat or countersunk head. This means that when it’s fully driven into the material, the head sits flush with the surface, or slightly below it. This design allows for a clean and finished appearance in applications where the screw head should not protrude.
3. Phillips Drive: Flat head self drilling screws typically come with a Phillips drive for easy installation. The drive type depends on the specific screw’s design and intended use.

These screws are often used in metal roofing, metal framing, and other applications where a strong and secure connection is needed, and a flush or concealed finish is desired.

They are available in various lengths and diameters to accommodate different thicknesses of materials. It’s important to choose the right size and type of self-drilling screw for your specific project to ensure a secure and reliable fastening.

Other names: self drilling flat head screws, flat head self drilling screw, phillips flat head self drilling screws

STRUCTURE:

The structure of a Phillips flat head self drilling screw consists of several key components:

1. Head: The head of the screw is typically flat or countersunk. This means that when the screw is fully driven into the material, the head sits flush with the surface or slightly below it. The flat head provides a clean and finished appearance and is designed to be compatible with a Phillips screwdriver or bit.
2. Drive Recess: The drive recess is the slot or indentation on top of the screw head where a Phillips screwdriver or bit is inserted for installation. Phillips screws have a cross-shaped recess, which is designed to prevent the screwdriver or bit from slipping out during use.
3. Threaded Shaft: The threaded shaft of the screw extends from the bottom of the head to the pointed tip. The threads are designed to provide grip and hold the screw securely in the material. In the case of self-drilling screws, the tip is often modified to include a drill point, which allows the screw to penetrate the material without the need for pre-drilling.
4. Drill Point: The drill point is a sharp, self-drilling tip at the end of the screw. It is designed to cut through the material as the screw is being driven, creating a hole for the screw to pass through and providing a secure anchor. This feature is especially important when working with metal or other hard materials.
5. Shank: The shank is the portion of the screw between the head and the threaded section. It can be smooth or have minor ridges, depending on the specific design of the screw. The shank plays a role in how the screw interacts with the material and provides stability during installation.
6. Thread Pitch: The thread pitch refers to the distance between the threads on the screw’s shaft. The thread pitch can vary depending on the type and size of the screw and is designed to provide optimal grip and holding power in the intended material.

Overall, the structure of a Phillips flat head self drilling screw is designed for ease of installation and to provide a secure and flush fastening in various materials, including metal, wood, and plastic. The combination of the flat head, Phillips drive, self-drilling tip, and threaded shaft makes it a versatile choice for a wide range of construction and DIY applications.

SPECIFICATIONS:

• Dimension: DIN 7504
• Material: Carbon steel ; Stainless steel 316/304/201
• Surface Finish: Electro-zinc-plated, Hot dip galvanized, Dacromet plated, Stainless steel 316/304/201
• Standard: DIN 7504, JIS/ ASMT/ ISO/ KS/ GB/ TCVN/ …

DIMENSIONS:

PRODUCT IMAGES:

Carbon Steel Flat Head Self Drilling Screws:

Stainless Steel Flat Head Self Drilling Screws:

CONTACT INFO:

NAM AN INDUSTRIAL MATERIAL COMPANY LIMITED

Warehouse/Office address: No. 68, Van Canh Service Land, Hoai Duc District, Ha Noi City, Viet Nam.

Factory address: National Highway 5, Quy Duong, Tan Truong Commune, Cam Giang District, Hai Duong, Vietnam.

Hotline/Zalo: 0941 636 369 – 0983 344 163 – 0983 506 389

Email: Bulongocvitnaman@gmail.com

Website: https://en.bulongnaman.vn/

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