How Can Self-Drilling SEMS Screws Reduce Electronics Assembly Time and Costs?

Our chamfered hex washer head drilling tapping SEMS screws eliminate pre-drilling operations and provide integrated sealing with black EPDM washers in a single fastening step. With ISO-compliant manufacturing and comprehensive inspection of all critical dimensions including drilling tapping diameter and length, we ensure consistent performance across high-volume electronics production. Contact us to discuss custom specifications for your assembly line optimization.

With 45 years of manufacturing expertise and over 10,000 fastener products in our portfolio, Sen Chang Industrial delivers precision-engineered solutions that meet the most stringent quality standards. Our chamfered hex washer head design provides superior torque transmission and secure assembly, while the integrated drilling and tapping functionality eliminates pre-drilling requirements, reducing installation time and labor costs. The black EPDM washer offers excellent sealing properties and vibration resistance, making these SEMS screws ideal for electronics, automotive, HVAC, and industrial machinery applications. Every measurement point—from across-the-flat dimensions and washer diameter to thread angle and pitch—is meticulously verified to ensure consistent quality and reliable performance in your critical assembly operations.