PV Solar Mounting Stainless Steel M6 M8 M10 M12 Spring Nuts
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Product Highlights
- Wide Size Range: Available in M3-M12 sizes, with non-standard dimensions and custom designs accepted.
- Multiple Material Grades: Offered in 201, 304, 304L, 316, 316L, 321, 309S, 410, 420, and 430 stainless steel grades.
- Diverse Surface Treatments: Options include Plain, Passivation, Polishing, Zinc, Hot Dip Galvanized, and Black Oxide.
- OEM/ODM Service: Full customization, minor customization, and flexible customization from designs or samples.
- Solar Application Focus: Designed for secure fastening of PV panels, resisting wind vibration and outdoor corrosion.
- International Standards: Complies with DIN, ANSI, GB, JIS, GOST, and BSW standards.
- Flexible Delivery Options: Supports Sea Freight, Air, Train, and Express shipping methods.
- Quality Certification: Manufactured under ISO9001:2015 and BSCI certified quality management systems.
Product Attributes
- Customization
- Available
- Material
- Stainless Steel
- Type
- Spring Nut
- Model NO.
- UNF-05
- Connection
- Common Bolt
- Head Style
- Rectangle
- Standard
- DIN, ANSI, GB, JIS, GOST, BSW
- Grade
- A2,A4
- Delivery
- Sea Freight, Air, Train, Express
- Certification
- ISO9001:2015, BSCI
- Sample
- Yes
- ODM/OEM
- Accept
- Transport Package
- Carton Boxes + Pallets
- Specification
- M3-M12
- Trademark
- UN
- Origin
- China
- HS Code
- 7318160000
- Production Capacity
- 700tons/Month
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 PV Solar Mounting Stainless Steel M6 M8 M10 M12 Spring Nuts
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PV Solar Mounting Stainless Steel M6 M8 M10 M12 Spring Nuts -
PV Solar Mounting Stainless Steel M6 M8 M10 M12 Spring Nuts -
PV Solar Mounting Stainless Steel M6 M8 M10 M12 Spring Nuts -
PV Solar Mounting Stainless Steel M6 M8 M10 M12 Spring Nuts -
PV Solar Mounting Stainless Steel M6 M8 M10 M12 Spring Nuts -
PV Solar Mounting Stainless Steel M6 M8 M10 M12 Spring Nuts -
PV Solar Mounting Stainless Steel M6 M8 M10 M12 Spring Nuts
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Product Description
| Union Stainless Steel Spring nuts |
| Name |
| Spring nuts |
| Other Used Name |
| Channel Nut, Struct Nut |
| Material |
| Stainless Steel |
| Size |
| M3-M12 or non-standard as requested & design |
| Surface Treatment |
| Plain, Passivation, Polishing,Customized |
| Advantage |
| OEM/ODM service available |
| Origin |
| Made in China |
| Delivery 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 |
Critical Solar Mounting Hardware: Screws, Bolts, and Nuts
High-quality solar mounting relies on specialty screws, bolts, and nuts to securely fasten photovoltaic panels and racks. These components bear the mechanical loads, prevent loosening from wind vibration, and resist corrosion from outdoor exposure.
Bolts
Bolts join frame components and solar panels together with corresponding washers and nuts. Many specialized varieties exist for solar applications.
Carriage Bolts
Rounded smooth heads to prevent damage to material surfaces while being installed. A square portion just below the head grabs into the assembly and prevents spinning.
In addition to these foundational solar mounting fasteners, components like racking rails, clamps, and roof attachments rely on the proper use of screws, bolts, washers, and nuts to create safe and secure installations. Stainless steel hardware and UV-resistant components ensure long-lasting performance for decades of exposure to outdoor elements. With the right selection of mounting products, solar installers can efficiently assemble PV systems that will stand the test of time.
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.
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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 materials are available for these spring nuts?
- We offer various stainless steel grades including 201, 304, 304L, 316, 316L, 321, 309S, 410, 420, and 430.
- Can I get custom sizes or designs?
- Yes, we provide full customization, minor customization, and flexible customization from designs or samples. Non-standard sizes are also available.
- What surface treatments do you offer?
- We provide Plain, Passivation, Polishing, Zinc Electroplated, Hot Dip Galvanized, Electro Nickel, Mechanical Plating, Black Oxide, Dacrotized, and Wax 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 payment.
- How long is the delivery time?
- Lead time depends on quantity and season. Peak season is within 15 workdays to 3 months; off-season is within 15 workdays to 3 months.
- Are these nuts suitable for solar mounting?
- Yes, they are designed for solar mounting applications, providing secure fastening that resists wind vibration and outdoor corrosion.
- Do you accept OEM/ODM orders?
- Yes, we accept OEM and ODM services with flexible customization options.
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