Stainless Steel Fastener Bi Metal Hexagonal Flange Head Concrete Bolts
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Product Highlights
- Bi-Metal Construction: Combines Stainless Steel and Carbon Steel for superior strength and corrosion resistance.
- Customizable Surface Treatment: Offers Plain, Passivation, Polishing, Zinc Plated, Ruspert, Dacromet, or fully customized options.
- Wide Size Range: Available in sizes M10-M56 with non-standard dimensions available upon request.
- Multiple Standards Compliance: Meets DIN, GB, ANSI, BSW, JIS, and GOST international standards.
- Superior Corrosion Resistance: Contains minimum 10.5% chromium forming a passive oxide layer for long-lasting durability.
- Flexible Customization: Supports full, minor, and flexible customization from designs or samples.
- High Salt Spray Resistance: Provides up to 2000 hours of salt spray test protection depending on coating class.
- Fast Delivery Options: Lead time 10-25 days with flexible shipping via Sea, Air, Train, or Express.
Product Attributes
- Customization
- Available
- Material
- Stainless Steel + Carbon Steel
- Type
- Hexagon Head
- Model NO.
- UNF-14
- Groove
- Hexagon
- Connection
- Common Bolt
- Head Style
- Hexagonal
- Standard
- DIN, GB, ANSI, BSW, JIS, GOST
- Grade
- 8.8
- Surface Treatment
- Zinc Plated, Ruspert, Dacromet, Customized
- Delivery
- Sea Freight, Air, Train, Express
- Certification
- ISO9001, BSCI
- Sample
- Yes
- ODM/OEM
- Accpet
- Transport Package
- Carton Boxes + Pallets
- Specification
- M10-M56
- Trademark
- UN
- Origin
- China
- HS Code
- 7318151000
- 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 Stainless Steel Fastener Bi Metal Hexagonal Flange Head Concrete Bolts
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Stainless Steel Fastener Bi Metal Hexagonal Flange Head Concrete Bolts -
Stainless Steel Fastener Bi Metal Hexagonal Flange Head Concrete Bolts -
Stainless Steel Fastener Bi Metal Hexagonal Flange Head Concrete Bolts -
Stainless Steel Fastener Bi Metal Hexagonal Flange Head Concrete Bolts -
Stainless Steel Fastener Bi Metal Hexagonal Flange Head Concrete Bolts -
Stainless Steel Fastener Bi Metal Hexagonal Flange Head Concrete Bolts -
Stainless Steel Fastener Bi Metal Hexagonal Flange Head Concrete Bolts
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Product Description
| Union Stainless Steel Concrete Bolts |
| Name |
| Concrete Bolts |
| Material |
| Stainless Steel+Carbon Steel |
| size |
| M10-M56 or non-standard as request&design |
| Length |
| 20mm-100mm or non-standard as request&design |
| Surface Treatment |
| Plain, Passivation, Polishing,Customized |
| OEM |
| Made In China |
| Lead Time |
| 10-25 Days |
Bi-Metal Specification
| Specification | |||
| Diameter(mm) | Length(mm) | Thread Size | Drill Point |
| 4.8 | 25-220 | 16 | #1, #2, #3, #5 |
| 5.5 | 25-300 | 14 | #1, #2, #3, #5 |
| 6.3 | 19-300 | 14 | #1, #2, #3, #5 |
| 6.3/5.5 | 25-50 | 14 | #1, #2, #3, #5 |
| 6.3/5.5 | 60-300 | Double Thread | |
| Bolts 6-12 | 75-120 | / | / |
Bi-Metal Coating
| Surface Treatment | ||||
| Types | Class2 | Class3 | Class4 | Dacromet |
| Coating Material | Mechanical Galvanized | Mechanical Galvanized | Mechanical Galvanized | Zinc and Aluminum |
| Salt Spray Test | 500Hours | 1000Hours | 2000Hours | 1000Hours |
Report Result
Stainless steel bolts are versatile fasteners made from stainless steel alloys. With their unparalleled strength, corrosion resistance, and durability, stainless steel bolts have become a staple across countless industries.
Stainless steel contains a minimum of 10.5% chromium content. This chromium forms a passive layer of chromium oxide when exposed to oxygen, preventing further corrosion and rust. Other elements like nickel, molybdenum, titanium, copper, and nitrogen can also be added to enhance properties like strength, ductility, and high-temperature resistance. This alloying produces a material that is both strong and "stainless".
There are many compelling benefits that make stainless steel bolts a top choice:
Superior Corrosion Resistance
High Strength
Temperature Resistance
Aesthetic Appearance
Low Maintenance
Stainless bolts feature all the standard bolt head styles:
Hex: 6-sided head for wrench gripping with maximum torque transfer. The most common head type.
Socket: Recessed head allowing tight spaces and high torque with an Allen wrench.
Button: Low profile rounded head for smooth surfaces. Requires a socket wrench.
Flat: Flat recessed head for a flush surface. Needs a spanner wrench for torquing.
Oval: Oval-shaped head to prevent rolling. Used in vibrating machinery. Needs a socket wrench.
Factors to Consider When Selecting Bolts
In conclusion, stainless steel bolts offer unmatched corrosion resistance, strength, appearance, and low maintenance when constructed properly with the right alloys. Paying attention to engineering requirements and operating conditions allows for selecting an optimal grade and style of stainless bolt for the application. With proper selection, stainless steel bolts will provide reliable, long-lasting service across industries.
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 used for these bolts?
- The bolts are made from a bi-metal combination of Stainless Steel and Carbon Steel.
- Can the surface treatment be customized?
- Yes, we offer customized surface treatments including Zinc Plated, Ruspert, Dacromet, Plain, Passivation, and Polishing.
- What is the minimum order quantity?
- The minimum order quantity is 1000 pieces.
- Do you accept OEM and ODM orders?
- Yes, we accept OEM and ODM orders with full, minor, and flexible customization options.
- What is the lead time for production?
- The standard lead time is 10-25 days, varying by season and order specifics.
- What certifications do you hold?
- We hold ISO9001 and BSCI certifications.
- What payment terms are available?
- We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
- Are non-standard sizes available?
- Yes, non-standard sizes and designs are available upon request.
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