2021 Hot Sale Drilling Screw/China Wholesale Galvanised Metal Hex Self Drilling Screw

• Material: C1022, C1018
• Type: Screw
• Groove: Phillips(H)
• Connection: Common Bolt
• Head Style: Flat,Around,Hex etc.
• Standard: DIN, GB
• Model NO.: 3-6.3mm(#4-16)
• Grade: 4.8
• Shank: Screw Shank
• Head: Round Head
• Point: Sharp Point
• Application: Application
• Transport Package: Cartons, Box, Allet
• Specification: 19mm-110mm
• Trademark: BOYA
• Origin: Tianjin
• HS Code: 7318140090
• Production Capacity: 1000 Ton Per Month

Product Description

Product name : Self Drilling Screw
Self Drilling screw/Roofing Screw used for iron roof,solar bracket,water proof roof screws patch,water proof tide,coloured roofing screws.
Self Drilling screw/roofing screw with screw washer.Roof screw usually have coloured roofing screws,showroom/big mushroom head roofing screw,hanger roofing screw,polycarbonate construction roofing screws. Self-drilling screws are available in stainless steel for weather-exposed areas and in zinc-plated steel for unweathered areas. These steel screws have a head encapsulated by chemical-resistant stainless steel. A rubber-bonded washer compresses to form a watertight seal. 

Specifications:

Product name	Self Drilling screw
Size	5/16 m8,As per your request
Standard	ISO,GB,DIN,BS,ANSI,JIS,Nonstandard.
Grade	4.8/ 6.8/ 8.8/ 10.9/ 12.9
Available Material	All carbon steel
Surface Treatment	galvanised,Zn- Plated,Ni-plated,Black Anodize,etc.
Advantage	OEM / ODM / customized service provided
Quality control	ISO standard,100% Whole range inspection through the production
Certificate	ISO9001,SGS,ROHS
After-sales Service	We will follow up every customer and solve all your problems satisfied after sales

Product photos:





Package & Shipping
Package details:
1) Sample order, 20/25kg per carton with our logo or neutral package;
2) Large orders, we can custom packaging;
3) Normal Packing: 1000/500/250pcs per small box. then into cartons and pallet;
4) As customers' require.


Factory:




FAQ:
Q: You are a manufacturing company or trading company? 
A: We are specialized in manufacturing fasteners and have exporting experience for more than 15 years.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 20-25 days if confirmed the sales contract

Q: Do you provide samples ? is it free or extra ?
A: Yes, the sample will be provided for free if you need, but the freight will be covered by our customer. If we have cooperate, the freight will be covered by our company.

Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance;
Payment>=1000USD, 30% T/T in advance ,balance before shipment.

Q: What is the advantage about your company?
A: Our company has professional team and professional production line.


Related products: