4.8*25 Flat Head Drilling Screws, Keel Screws

 

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Stainless steel countersunk head drill screw is a specially designed fastener with self-tapping drilling function at its tail, which is able to drill, tap and lock directly on the material without pre-punching, which greatly improves the construction efficiency. Here is more information about Stainless Steel Countersunk Head Drill Tail Screws:,,,,,.:

Specification: :Countersunk head drill screws are available in a variety of specifications, their length usually ranges from 13~60mm, and their diameter is about 3.8~4.2mm.The specific specification selection depends on the usage scenario and the required fastening effect.,13~60mm,3.8~4.2mm..
Material: :Stainless steel countersunk head drill screws are usually made of stainless steel material, such as 410 stainless steel (commonly known as stainless steel). This material has good corrosion resistance, strength and hardness, and is suitable for use in a variety of environmental conditions.,410().,,.
Surface Finish: :The surface treatment of stainless steel countersunk head drill screws is usually to enhance their corrosion resistance and aesthetics. Common surface treatments include electroplating and hot dip galvanizing. Electroplating can form a protective metal film on the surface of the screw to improve its corrosion resistance; while hot dip galvanizing is to immerse the screw in molten zinc to form a solid layer of zinc, which further enhances its corrosion resistance...,;,,.
Application Scenario: :Stainless steel countersunk head drill screws are widely used in a variety of occasions that require fastening connections, especially in steel plate connections or other stainless steel material products plate fixing connections that require high rust and corrosion resistance. For example, they are commonly used in the engineering installation of stainless steel plate, metal steel plate, galvanized steel plate, as well as indoor and outdoor installation of metal curtain wall, metal light compartment, plastic steel doors and windows. In addition, they are also suitable for general angle steel, channel steel, iron plate and other metal materials combined with the installation of steel structure installation, as well as automobile compartments, container boxes, shipbuilding industry, refrigeration equipment, engineering and other assembly projects.,,.,,,,,,.,,,,,,,,.
Advantages: :
Excellent corrosion resistance: the stainless steel material itself has excellent corrosion resistance, and can resist the erosion of many harsh environments.High strength and hardness: stainless steel countersunk head drilling screws have high strength and hardness, able to withstand large loads, to ensure the solidity and safety of the connection.Easy installation: Due to its self-tapping drilling design, no pre-drilling is required, and it can be drilled and locked directly on the material, which greatly improves the construction efficiency.Beautiful and durable: stainless steel has a smooth surface and consistent color, which provides a good decorative effect, while being able to maintain its appearance and performance for a long time.In summary, stainless steel countersunk head drilling screws play an important role in construction, machinery, electronic equipment and other fields by virtue of its excellent performance and wide range of application scenarios.