Hex Flange Head Self-Drilling Screw (High-Low Thread)

Hex Flange Head Self-Drilling Screw (High-Low Thread)

Model: 5# Drill Tail
Material: Bimetal Construction - Carbon Steel (1022A) + Stainless Steel (SUS410)
Dimensions:

Diameter: 6.3mm / Thread: 5.5-14 (24TPI)
Length Range: 25–300mm (Standard & Custom Sizes)
Key Features:

​Salt Spray Resistance: 500H/1000H/1500H (ISO 9227), Class 3 & 4 Certified
​High Strength: Tensile 380-440 MPa | Yield 620-720 MPa
​Dual Corrosion Protection: SUS410 outer layer + 1022A core for structural durability
​Self-Drilling Tip: Eliminates pre-drilling in metal substrates (up to 3mm thickness)
Typical Applications:
Metal roofing, HVAC systems, solar mounting, and industrial frameworks in harsh environments.

Compliance: ASTM F568M, DIN 7500
Sending request