Custom Screws Tailored Materials for Inch and Metric Sizing Precision-Tailored Non-Standard Cold Heading Screws Lock Technology (Shenzhen) Co., Ltd. specializes in precision-engineered non-standard cold heading screws for automotive, electronics, and machinery applications. Our advanced manufacturing capabilities allow for complete customization of materials, head styles, thread designs, and surface finishes to meet your exact specifications. Key Features State-of-the-art