Hex head roofing screw self drilling screw tornillo hexagon screw for roof

The No. 5 tail drilling tail screw is a self tapping screw with a tail shaped like a drill tail or pointed tail, which does not require auxiliary processing. It can be directly drilled, tapped, and locked on the setting material and foundation material, greatly saving construction time. The fifth tail drill screw has high toughness and holding force, and will not loosen even after being combined for a long time. It is safe to use and easy to operate.

Material and specifications

The material of the fifth tail drill tail screw mainly includes iron and stainless steel, and stainless steel materials are further divided into various types, such as 410 and 304. In terms of specifications, common ones include diameter 4.2, diameter 4.8, diameter 5.5, diameter 6.3mm, etc. The length can be customized according to the needs.

application area 

The No. 5 tail drill tail screw is mainly used for fixing color steel tiles in steel structures and fixing thin plates in simple buildings, but cannot be used for fixing between metals.

Performance characteristics

High hardness: After heat treatment, the surface hardness of the 410 material drill tail screw can reach HV580 or above, and the center hardness is generally HV350-420 degrees.

Corrosion resistance: The 410 material drill tail screw can pass the salt spray test for 96 hours, and even reach 500 hours without rusting; The salt spray test of 304 material drill tail screws can generally reach 240 hours, and even 2000 hours without rusting.

In summary, the No. 5 tail drill tail screw performs well in steel structure fixation and thin plate fixation due to its high hardness, corrosion resistance, and easy operation.

WHY CHOOSE US

Strong production capacity

Annual production of about 1.3 million units, strong production strength, and fast supply

Strict testing at every level to ensure the high quality, high safety, and high environmental protection of every product

Strict quality control

Strict testing at every level to ensure the high quality, high safety, and high environmental protection of every product

A professional after-sales service system allows you to receive not only

It's a collaboration

Comprehensive after-sales service

A professional after-sales service system allows you to receive not only

It's a collaboration

About Us

Hebei Shangfeng Import and Export Co., Ltd. is a strong production enterprise that integrates production and sales. The company is located in the standard parts production base in Yongnian District, Handan City, known as the hometown of fasteners in China. Since its establishment, it has always adhered to the business philosophy of "valuing reputation, seeking common development; seeking win-win, sharing success", conscientiously fulfilling contracts, being a trustworthy enterprise, having a good market reputation, and operating with integrity, winning numerous customers. With professional level and mature technology in the field of automation, it has rapidly risen in the field of industrial control. The company has a complete, scientific, and quality management system. The company has multiple production equipment and testing instruments. The company mainly deals in fasteners such as No. 5 tail drill tail screws, extended tail drill screws, external hexagonal bolts, tensile and internal explosions, joint nuts, car repair geckos, lead screws, nuts, integrated nails, tank nets, anchor bolts, rivet nuts, rivet nuts, etc. The products are sold in the domestic market and exported to multiple countries and regions. Welcome friends from all walks of life to guide, visit and negotiate business.