Hebei Wotu Fastener Manufacturing Co., Ltd., a manufacturer of self-drilling screws, will guide you on how to determine the durability of self-drilling screws. Self-drilling screws are among the most frequently used fasteners, so it’s crucial to understand their quality and performance when purchasing them. The most important factor is durability. Today, Hebei Wotu Fastener Manufacturing […]
Hebei Wotu Fastener Manufacturing Co., Ltd., founded in the 1990s, is located in Yongnian District, Handan City, Hebei Province, known as the “Hometown of Fasteners.” 1. Core Hardness: Standard: HRC32-40. Our products are measured at HRC31.7-39.0. 2. Surface Hardness: Standard: HV600-700. Our products are measured at approximately HV620. 3. Hardened Layer: 4#-6#: 0.05-0.18mm; 8#-12#: 0.10-0.23mm; […]
As we all know, self-drilling screws are now widely used in various fields, such as construction, road construction, power construction, factory construction, and equipment fixing. Since they are pre-embedded in concrete structures and are considered pre-installed fasteners, the technical quality of this concealed project is particularly important. Over the years, these manufacturers have gradually established […]
Self-drilling screws have a wide range of applications; they are one of the most common fasteners. They are mainly used in four main areas: 1. Stainless steel plates, metal plates, galvanized steel plates, and engineering installation. 2. Indoor and outdoor installation of metal curtain walls, metal partitions, etc. 3. Installation of general angle steel, channel […]
There are many types of self-drilling screws, so how should we use them correctly? Below, Hebei Wotu Fastener Manufacturing Co., Ltd. will guide you through the process. There are many types of self-drilling screws, so how should we use them correctly? Below, Hebei Wotu Fastener Manufacturing Co., Ltd. will guide you through the process. Self-drilling […]
Hot-dip galvanized bolts are widely used in daily life, especially due to their advantages, which have led to their rapid development in the market and widespread consumer appeal. So what are the specific advantages of hot-dip galvanized bolts in use? Today, Hebei Wotu Fastener Manufacturing Co., Ltd. will explain. 1. Due to its special surface […]
