
Hex Washer Head Series 500 Class3 NEO Insulated Panel Metal Tek Screw. Customized Material Options: Available in SS304/316, SCM435, or other materials as per customer requirements. Customized Surface Treatment: Options include Ruspert, Dacromet, Galvanized, and other customized finishes. Customized Thread Types: Coarse or Fine threads can be customized to meet specific application needs. Customized Size Range: Sizes from ST4.8-ST6.3 with lengths 20mm-300mm, fully customizable. High Quality Certification: Products are ISO certified and available with Third-party/SGS inspection reports. Fast Delivery for Standard Items: In-stock items can be shipped within 7 days for quick project completion. Professional Manufacturer: Over 30 years of experience in manufacturing self-drilling and self-tapping screws. Comprehensive Customization: Supports ODM/OEM, custom designs, samples, and specific head markings.