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Self-Drilling Screws
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Struggling to find the right standard part? Let us engineer it. From automotive bolts to unique shaped components, we specialize in custom runs based on your samples or drawings.

Self-Drilling Screws

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Drill tail screws can be integrated with self-drilling, self-tapping, and locking, and are widely used in steel structure factories, color steel tiles, photovoltaic brackets, guardrails, aluminum alloy and plate fastening, with efficient construction without the need for pre-drilling. The mainstream materials are 1022A carbon steel, 410 stainless steel, and 304/316 stainless steel. Carbon steel has a high cost-performance ratio, 410 combines hardness and rust prevention, and 304/316 is corrosion-resistant and suitable for outdoor and coastal environments. The commonly used strength grades are 4.8 and 8.8, with stainless steel corresponding to A2-70. Hardness standard: HRC28-40 for the core and HRC40-50 for the surface of the drill tail, ensuring that the drill hole does not collapse or the threads do not slip, meeting the requirements for rapid fastening and long-term load-bearing of metal plates.
For more details about self-drilling screws, please contact Shanghai Soverchannel Industrial Co., Ltd

About Us
Shanghai Soverchannel Industrial Co., Ltd.
Shanghai Soverchannel Industrial Co., Ltd. is a manufacturer integrating R&D, production, and sales, focusing on providing high-precision non-standard and standard fastening solutions for customers. The company has been deeply engaged in the automotive fastener industry for many years. It owns its own manufacturing plant, Nantong Jinzhai Hardware Co., Ltd., and has accumulated solid technical strength and rigorous quality control experience.

Our main products cover various high-quality bolts, nuts, steel processing parts, welding components, and customized special-shaped parts. Relying on advanced production equipment and a full-process inspection system, we are not only capable of mass-producing high-standard parts but also excel in customizing non-standard bolts and complex special-shaped components according to specific customer requirements. Over the years, we have always adhered to technology-driven development and earned trust through quality, becoming a reliable partner for numerous customers in the automotive and industrial fields.
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