| Product Name |
Mechanical galvanized steel Hex Washer Head Self Drilling Screw w/ bonded Sealing Washer |
| Material |
carbon steel , C1022 with hardened |
| Head style |
hex washer head, hex flange head |
| Finish |
white/yellow/blue zinc coated, hot-dipped galvanized, Mechanical galvanized |
| Diameter |
3.5mm - 6.3mm |
| Length |
13mm - 200mm |
| Drive style |
Hex |
| Application/Use |
WasherSelf drilling screws designed for power driving wood or metal to metal |
| Standard |
ISO15480, DIN7504 |
| Origin |
Zhejiang China |
A metal to metal Self drilling roofing screw with an EPDM bonded sealing washer and a #1 drill point ideal for fastening metal panels together. Also known as pole barn screws.
| DxL / mm |
DxL / mm |
DxL / mm |
| 4.8x16 |
5.5x22 |
6.3x19 |
| 4.8x19 |
5.5x25 |
6.3x22 |
| 4.8x22 |
5.5x32 |
6.3x25 |
| 4.8x25 |
5.5x38 |
6.3x32 |
| 4.8x32 |
5.5x45 |
6.3x38 |
| 4.8x35 |
5.5x55 |
6.3x45 |
| 4.8x38 |
|
6.3x55 |
| 4.8x45 |
|
6.3x75 |
| 4.8x55 |
|
6.3x90 |
| |
|
6.3x120 |
Detailed Photos
Paintde Head:
Unpainted/Black/White/Ivory/Slate/Charcoal/Bronze/Brown/Burgundy/Red/Crimson red/Green/Forest green
Our mainly product:Drywall screws, self-tapping screws, machine screws, furniture screws, wood screws, fiberboard screws, European screws, etc., in more than 2000 types, we can also customize according to customer samples.
Our 18 years of experience and commitment to excellence have earned us the reputation as the best fastener manufacturer in our industry.
Screws source manufacturers-our factory was founded in March 2005.We has 70 sets of advanced production equipment, with an annual output of 6000 tons.
our company mainly produces various series of drywall screw, chipboard screw, self-tapping screw, Self-Drilling Screw,machine screw, all kinds of non-standard goods. Products are exported to Japan, Colombia, France,Brazil,Korea,Germany and other Europe and Americ, and praised by the majority of customers!
FAQ
Q1: Are you trading company or manufacturer?
A1: We are the manufacturer. (We are the international trade branch of the factory)
We provide 7x24 hours real-time video verification factory service.
Q2:What is your core product?
A2:We specialize in the production of high quality screws, mainly drywall screws, particle board screws, wood screws, etc.
Q3: How long is your delivery time?
A3: If the goods are in stock, within 15 days. 30-60 days for bulk order.
Q4: What is your terms of payment ?
A4: 30%-40% T/T in advance ,balance before shippment.(For orders less than USD1000, pay 100% in advance to reduce bank fees.)
Q5.Can you provide a sample?
A5: Sure, Our sample is provided free of charge, but not including courier fees.
Choose us!
1) Custom designs available. ODM and OEM are welcome.
2) We hope to maintain long-term cooperation with every customer, we attach importance to quality and insist on providing high-quality products and services.
Audited Supplier 
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