stainless steel cross head round head screw with washer galvanized large flat head self tapping and self drilling dovetail screw

Lengthening drilling screw is a special kind of screw, its tail is drilling tail or sharp tail, without auxiliary processing, you can directly drill, tap and lock on the setting material and basic material, thus greatly saving construction time. Compared with ordinary screws, lengthened drilling screws have higher toughness and maintenance force, and will not be loosened for a long time after combination, and the operation is simple and safe.

Application scenario

The lengthened drilling screw is mainly used for the color steel tile fixing of steel structure, and can also be used for the thin plate fixing of simple construction. It cannot be used for metal-metal bonding.

advantage

High construction efficiency: Due to its special tail design, it can directly drill, tap and lock on the material, eliminating additional processing steps and greatly improving construction efficiency.

Simple operation: it is very convenient to use, reduces the complex operation in the construction process, and reduces the labor intensity.

High maintenance force: it will not loosen for a long time after combination, ensuring the fixed stability.

Material and model

The material of lengthening drilling screws is mainly iron and stainless steel, models include Φ4.2, Φ4.8, Φ5.5, Φ6.3mm, etc., the specific length can be agreed upon according to requirements. 4. According to the different drilling tail, it can also be divided into round head rice, cross, plum and other types

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.