Galvanized Round Head Sheet Metal Roof Screw
Contact Supplier
Still deciding? Get samples of $ !
Request Sample
Product Highlights
- Superior Corrosion Resistance: Stainless steel material offers excellent rust and weather resistance for long-term durability.
- Wide Material Selection: Available in 304, 316, 201, 321, 410, and other grades to suit specific environment needs.
- Customizable Surface Treatment: Options include Zinc Plated, Ruspert, Dacromet, and other customized surface finishes.
- Flexible Size Options: Sizes range from ST2.9 to ST6.3, with non-standard lengths from 13-200mm available.
- High Strength Performance: Grade 8.8 strength with superior tensile strength and reliability under demanding conditions.
- Multiple Coating Types: Choices include Electroplated Zinc, Hot Dip Galvanized, Mechanical Plating, and Black Oxide.
- Strict Quality Control: Subjected to sample testing and third-party inspection to ensure product consistency.
- OEM/ODM Support: Accepts full customization, minor customization, and design-based customization services.
Product Attributes
- Customization
- Available
- Finish
- Galvanized
- Grade
- 8.8
- Model NO.
- UNF-10
- Head Type
- Round Head
- Material
- Stainless Steel
- Standard
- DIN, GB, ANSI, BSW, JIS, GOST
- Surface Treatment
- Zinc Plated, Ruspert, Dacromet, Customized
- Delivery
- Sea Freight, Air, Train, Express
- Certification
- ISO9001, BSCI
- Sample
- Yes
- ODM/OEM
- Accept
- Type
- Hexagon Head
- Groove
- Hexagon
- Connection
- Common Bolt
- Head Style
- Hexagonal
- Transport Package
- Carton Boxes + Pallets
- Specification
- ST2.9 - ST6.3
- Trademark
- UN
- Origin
- China
- HS Code
- 73181500
- Production Capacity
- 700tons/Month
- Package Size
- 30.00cm * 20.00cm * 10.00cm
- Package Gross Weight
- 1.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Galvanized Round Head Sheet Metal Roof Screw
-
Galvanized Round Head Sheet Metal Roof Screw -
Galvanized Round Head Sheet Metal Roof Screw -
Galvanized Round Head Sheet Metal Roof Screw -
Galvanized Round Head Sheet Metal Roof Screw -
Galvanized Round Head Sheet Metal Roof Screw -
Galvanized Round Head Sheet Metal Roof Screw -
Galvanized Round Head Sheet Metal Roof Screw
Find Similar Products
Product Description
| Union Stainless Steel Cladding Screws |
| Name |
| Cladding screw |
| Material |
| Stainless Steel |
| Size |
| ST2.9 - ST6.3 or non-standard as request&design |
| Length |
| 13-200mm or non-standard as requested |
| Surface Treatment |
| Electrical Zinc Coating. Ruspert, Dacroment, Customized |
| Quality |
| Sample Testing or Third-party Inspection |
| Origin |
| Made in China |
| Lead Time |
| Based on quantity |
| Stainless Steel Chemical Composition | |||||||||
| Grade | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Ni | Cr | Mo | Other |
| 201 | 0.15 | 1.00 | 5.5-7.5 | 0.060 | 0.03 | 3.5-5.5 | 16-18 | N≤0.25 | |
| 304 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 8.0-10.0 | 18-20 | ||
| 304L | 0.03 | 1.00 | 2.00 | 0.045 | 0.03 | 8.0-12.0 | 18-20 | ||
| 321 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 8.0-13.0 | 17-19 | Ti≤5*C% | |
| 316 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 10.0-14.0 | 16-18 | 2-3 | |
| 316L | 0.03 | 1.00 | 2.00 | 0.045 | 0.03 | 10.0-15.0 | 16-18 | 2-3 | |
| 309S | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 12.0-15.0 | 22-24 | ||
| 410 | 0.15 | 1.00 | 0.03 | - | 11.5-13.5 | ||||
| 420 | 0.26-0.4 | 1.00 | 0.03 | - | 12-14 | ||||
| 430 | 0.12 | 0.75 | 1.00 | 0.040 | 0.03 | - | 16-18 | ||
| Main Fastener Coating | |||
| Types | Application | Spray Test Hours | Characteristics |
| Zinc, Electroplated | All Metal | 96Hours | Lower cost and bright surface |
| Hot Dip Galvanized | All Metal | 96Hours | Low corrosion rate and resists mechanical damage. |
| Electro Nickel | All Metal | 200Hours | Flexibility in plating volume and thickness |
| Mechanical Plating | Steel | 1000Hours | Smooth finish with high anti-corrosion grade |
| Black Oxide | All Metal | 3-5Hours | Cheap |
| Dacrotized | Steel | 1000Hours | Pollution-free ceramic coating |
| Passivation | Stainless Steel | / | Dissolved iron contaminants |
| Wax | Stainless Steel & Plated Fasteners | Fair, used as a lubricate | Used for ease of assembly |
Stainless steel screws provide unmatched benefits over standard steel screws thanks to their superior durability, high strength, and excellent corrosion resistance. This makes stainless steel an ideal screw material for applications demanding weather and rust resistance as well as longevity under stress.
Stainless steel screws come in a wide selection of head styles and drive types to accommodate various assembly and fastening needs.Stainless steel screws are also available with different thread configurations for different purposes.
In addition to drive type and threads, stainless steel screws come in a number of head styles to suit various needs.
Stainless steel screws can also receive a number of different coatings to augment their corrosion resistance with additional properties.
The most common grades of stainless steel used for screws include 304 and 316. 304 stainless offers a good balance of decent corrosion resistance paired with adequate tensile strength for many applications. 316 stainless contains more nickel for enhanced resistance to chlorides and marine environments. When very high strength is needed, 410 stainless can be heat treated and hardened to achieve impressive tensile strength levels rivaling some alloy steel grades.
With their unparalleled combination of corrosion resistance, high strength, and longevity, stainless steel screws clearly outperform regular steel, brass, or coated screws. Their excellent physical properties ensure durable, reliable fastening performance even when subjected to demanding outdoor conditions. Any application where weather resistance, rust prevention, and longevity are important benefits will stand to gain by utilizing superior stainless steel screws.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR2432432". Items marked "
" are certified.
){kind=link}
Company Profile
Established in the early 2000s, Union Hardware began as a manufacturer and distributor of fasteners and hardware tools. In 2023, we officially consolidated into a globally focused professional hardware exporter. Our expansive product range includes photovoltaic fasteners, stainless steel fasteners, highly corrosion-resistant carbon steel fasteners, and a wide selection of hand tools (Mechanic Tools, Fastening Tools, Measuring Tools, Storage Tools, Tool Sets, PTA Kits, etc. ). Our hardware solutions are trusted across the construction, machinery, automotive, and DIY sectors. With decades of expertise producing durable, reliable products, over 85% of our goods are exported internationally.
Strategically located in Hangzhou Xiaoshan Industrial Zone, we are part of a vibrant manufacturing hub that promotes clustering effects and supply chain efficiency. Our modern facilities and proximity to Shanghai Port allow for seamless production, inventory management, and timely delivery to global markets. Leveraging our hard-won reputation for integrity, dependability, and unparalleled quality, Union Hardware continues pioneering hardware distribution. We remain committed to delivering ideal products, services, and solutions at competitive costs for trade specialists and DIYers worldwide.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Room 401-1, No.58, Xiangshan Road, Wenyan Street, Xiaoshan, Hangzhou, Zhejiang, China
-
Plant Area
- 100 square meters
-
Number of Employees
- 4
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays, one month, 1-3 months
Off Season Lead Time: within 15 workdays, one month, 1-3 months -
Nearest Port
- Shanghai Port, Ningbo Port
-
Minimum Order Quantity
- 1000 pcs
-
Supply Chain Partners
- 56
Our Production Capability & Technical Expertise
-
Main Products
- Bit Holders, Bits, Sockets, Torque Wrench, Ratchet, Hex Keys, Tool Set, Pta Sets, Bi-Metal Screws, Stainless Steel Fasteners
-
Customization Options
- Full Customization, Minor Customization, Flexible customization, Customization from Designs, Customization from Samples
-
ODM Service Available
- Yes
-
R&D Engineers
- 1 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2023-08-03
-
Export Year
- 1 year
-
Main Markets
- Europe, Africa, Domestic
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What stainless steel grades are available?
- We offer a wide selection including 304, 316, 201, 321, 309S, 410, 420, and 430 stainless steel grades.
- Can the size and length be customized?
- Yes, standard sizes are ST2.9-ST6.3, but we accept non-standard sizes and lengths from 13-200mm as requested.
- What surface treatments are offered?
- Options include Electrical Zinc Coating, Ruspert, Dacromet, and other customized surface treatments.
- What is the minimum order quantity?
- The minimum order quantity is 1000 pcs.
- What are the payment terms?
- We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
- What is the lead time for production?
- Lead time depends on quantity and season, typically within 15 workdays, one month, or 1-3 months.
- Is OEM or ODM service available?
- Yes, we accept OEM/ODM services, including full customization, minor customization, and customization from designs or samples.
- How is quality controlled?
- We provide sample testing or third-party inspection to ensure product quality and consistency.
Send your message to this supplier
People who viewed this also viewed
-
US$1.50-22.73 / Piece
-
US$1.50-22.73 / Piece
-
US$1.50-22.73 / Piece
-
US$1.50-22.73 / Piece
-
US$1.50-22.73 / Piece
-
US$1.50-22.73 / Piece
-
US$1.50-22.73 / Piece
-
US$1.50-22.73 / Piece
-
US$1.47-2.40 / Piece
-
US$1.47-2.40 / Piece
Product Groups
Find Similar Products By Category
- Supplier Homepage
- Products
- Fastener-Stainless Steel Screws
- Roofing Screws
- Galvanized Round Head Sheet Metal Roof Screw
Related Categories
Hot Searches
- China Roof Factories
- Stainless Steel Handle Factories
- Steel Deck Factories
- Steel Roof Factories
- Metal Roofing Panel
- Metal Building Screws
- Roofing Metal Tile
- Metal Roofing Installation
- Three Screws Holes Stainless Steel
- Top 10 Roof
- Stainless Steel Roofing Screws Bulkbuy