Industry News

When working with heavy-gauge steel structures, one of the most debated questions among fabricators and contractors is whether a pilot hole is necessary before driving a Stainless Steel Pan Head Self Drilling Screw into thick plate. The short answer is not always—but the longer answer depends on mat......

For engineers, boat builders, and maintenance professionals, fastener failure in saltwater conditions is a costly and safety-critical issue. The short answer is: no stainless steel fastener is entirely "rust-proof", but Cross Recessed Countersunk Head Self-Tapping Screws made from the right grade of......

​In today's construction, manufacturing, and industrial assembly fields, choosing the right fastener is essential for ensuring product quality, installation efficiency, and long-term durability. Among various fastening solutions, the Pan Head Head Self Drilling Screw has become a popular choice beca......

Maintenance-free Radial Spherical Plain Bearings offer a sealed-for-life solution—but their actual service life depends on a complex interplay of load, motion, temperature, and installation quality. At Dongzhou, we have analyzed field data from over 12,000 heavy-duty applications to establish realis......

For engineers, fabricators, and maintenance professionals, the question of attaching a Coupling Nut permanently to a steel plate comes up frequently—especially when space constraints rule out traditional bolting from the back side. The short answer is yes, you can weld it, but the real question is w......

​In today's highly competitive manufacturing industry, precision, efficiency, and reliability have become key factors that determine product quality and market success. Complex Precision Turned Parts are advanced machined components designed to meet strict dimensional, structural, and performance re......