Model Number: Length: 10 to 320mm Brand Name: Qichuan Key Specifications/Special Features: Standards: DIN 7504 and ISOMaterials: carbon, alloy, stainless steel or according to customer's requestsGrade: 8.8Dimensions: metric size from 3.5 to 6.3mmLength: 10 to 320mm

Surface treatment: plain, black finished, zinc-plated (galvanized), hot dip galvanized, nickel-plated, phosphate black and dacro coating

Packing: general or according to customer's requests

Advantages:

• Prompt delivery
• Various types of long-term supply professional screws
• Hexagon flange head self-drilling/tapping
• Applied on iron plate + steel frame