Roofing Screw Galvanized Hex Head with Big Flange SDS for Outdoor Use

• Material: Carbon Steel
• Type: Hexagon Head
• Groove: Hexagon
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, GB, ANSI
• Grade: 8.8
• Transport Package: Bag, Carton
• Specification: 4.8 5.5 6.3mm
• Origin: China
• HS Code: 7318140000
• Production Capacity: 30000 Tons

Product Description

Roofing Screw Galvanized Hex Head with Big Flange SDS for Outdoor Use

Material	C1022A, Stainless Steel
Diameter	#10(4.8mm),#12(5.5mm),#14(6.3mm)
Length	19-150mm
Surface Treatment	Phosphate, Galvanize, Nickle, Ruspert, etc
Head Mark	As per the customer's request
Packaging	Woven bag 25kg/bag; Bulk in carton; Small box+carton
Delivery Time	Normally 15-30 days
Application	•Roof deck to steel framing •Accessories for steel framing

1. A self-drilling screw is a type of tool that has the same design features as a drill bit or cutting tool. As the name implies, self-drilling screws do not require a pilot hole in order to perform as a fastener.

2. Their function is governed by the same rules that apply to cutting tools, which are speed of cutting, feed rate, depth of required cut, and type of material to be connected. They are designed to work on soft steel, wood, and metals.

3. The types and varieties of self-drilling screws make them applicable to a variety of construction and fabricating operations. From applying metal roofing to finishing assemblies, self-drilling screws have become a valuable tool in manufacturing, fabrication, and production.

4. The Hex Head Self Drilling/Tapping Screw is also known as Roofing Screw or Metal Roofing Screw as this screw is especially used for attaching metal roof panels to the building structure, whether steel or wood substrates. 

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FAQ:
Q: What are your Hot sale products?
A: Drywall screws, Chipboard screws, Wood Screws, Self Tapping Screws, Self Drilling Screws, Gypsum screws, Roofing screws, Truss Head screws, and other Special screws.

Q: How long is your delivery time?
A: Generally it is 10-15 days if the goods are in stock. or it is 4-5 weeks if the goods are not in stock, according to quantity.

Q: Do you provide samples? is it free or extra?
A: We could offer the sample for free, but consumers should pay the freight.

Q: Why choose us?
A: 1) Reply to you within 24 working hours.
    2) Experienced staff would like to answer all your questions in time.
    3) Customized design is available. ODM&OEM are welcome.
    4) Special discounts and protection of sales area provided to our consumers.
  5) As an honest exported seller, We are a professional manufacturer, with quality quotations, good service, and skilled technicians to ensure our products are finished in high quality and stable features.