
Collated Drywall Screws Black Phosphate Phillips Bugle Head Self-Tapping Screws for Automatic Screw Guns. Customized OEM ODM Service: We provide customized solutions for non-standard fasteners based on drawings, samples, or technical requirements. Multi-Standard Compliance: Products comply with international standards including DIN, GB, ANSI, JIS, ISO, and ASME. Comprehensive Quality Control: In-house laboratory with spectrometers and testers ensures full-process quality control and ISO 9001 certification. Fast Response Time: Technical feedback or quotation provided within 24 hours after receiving BOM, drawings, or samples. Mixed Order Capability: Experienced in handling mixed fastener lists where different items can be combined in one order and shipment. Flexible Batch Support: Support for prototype, small, and medium batch production, especially for custom and non-standard fasteners. Detailed Packaging Options: Fasteners can be packed separately by item, size, or project with clear labeling for easy identification. Material Certificates Available: Material certificates and inspection records are available upon request for all orders.