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 steel, iron plates, and other metal materials.
4. Assembly projects for automobile bodies, cargo containers, shipbuilding, refrigeration equipment, etc.
DIN 931-style half-thread and DIN 933-style full-thread hex bolts should not be selected from diameter and overall length alone. The practical choice depends on the joint stack, required grip, location of the thread transition, available nut engagement, mating hardware, material or property requirement, coating system and governing product specification. A half-thread bolt is not automatically […]
A bolt manufacturer should be evaluated against a defined joint, drawing and acceptance plan—not a product list or unit price alone. Buyers need to verify whether the supplier can manufacture the required geometry, control material and heat-treatment requirements where applicable, manage threads and coatings as one dimensional system, inspect critical characteristics, preserve batch traceability and […]
