C5 Self Drilling Roofing Screws with Wing

C5 Self Drilling Roofing Screws are expertly crafted from high-strength steel and coated with a premium corrosion-resistant finish, ensuring long-lasting durability. These screws eliminate the need for pre-drilling, making them the perfect solution for securely fastening metal roof sheets, steel battens, and exterior cladding. Each screw is equipped with a sealing washer, providing waterproof protection and contributing to a stable, reliable roof installation. Upgrade your roofing project with C5 Self Drilling Roofing Screws for superior performance and peace of mind.

Product name C5 Self Drilling Roofing Screws
Brand Fasto
Material High quality carbon steel
Drilling Grade C5
Head Type Hex Washer Head
Washer Black or Grey EPDM rubber sealing washer
Surface Treatment Zinc plated / Hot dipped galvanized
Thread Type Full thread / Partial thread optional
Size Range #10, #12, 5.5mm, 6.3mm, various lengths available
Application Metal roofing sheets, steel purlins, wall cladding, warehouse & residential construction
Custom Service OEM, custom size, plating and packaging acceptable

Product Detail

Product Introduction

Zinc Plated Surface Treatment: Provides long-lasting corrosion resistance.

Hex Head Design: Ensures secure fastening with minimal slippage.

Carbon Steel Material: Offers durability and strength for various roofing applications.

Metric Measurement: Suitable for metric-based construction standards worldwide.

Grade 5 Quality: Meets high tensile strength requirements for structural integrity.

Fasto C5 Self Drilling Roofing Screws are engineered for professional metal roofing and exterior construction applications.

Made of high-strength carbon steel with reliable zinc plated or hot-dip galvanized finish, delivering superior corrosion resistance and long outdoor service life.

Featured with sharp C5 drill point for one-step drilling and fastening, no pre-drilling needed to save labor and installation time. Equipped with integrated EPDM rubber washer for excellent waterproof, dustproof and leak-proof performance.

Hex washer head design ensures stable clamping and anti-loosening, ideal for fastening metal roof sheets, steel purlins, wall cladding, warehouses and residential building roofing. Custom sizes, surface treatments and OEM packaging are available to meet your project and wholesale demands.

Parameter Category	Specification Details
Drive Type	Hex Washer Head
Drilling Grade	C5
Structure	With Symmetrical Wing / Fin
Sealing Washer	EPDM Rubber Washer
Hexagon Width Across Flats	10mm
Flange Head Outer Diameter	16mm
EPDM Washer Outer Diameter	18–20mm
Wing Width	7.5–8mm
Drilling Capacity	Suitable for 1.5–5mm thick steel sheet
Standard Length (Metric)	16mm, 19mm, 25mm, 32mm, 38mm, 50mm, 63mm, 75mm, 100mm
Standard Length (Imperial)	5/8", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4"
Main Application	Metal roofing, steel & wood composite structure, warehouse, building cladding