HDG Black Oxide Carbon Steel Stud Bolts ASTM A193, ASTM A193 PTFE Coating Full Threaded Stud Bolts B7 Stud Bolt
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Product Highlights
- Comprehensive Material Options: Available in Carbon Steel and Stainless Steel grades including SS304, SS316, and DIN/SAE/ASTM standards.
- Diverse Finishing Choices: Offers Zinc, HDG, Black Oxide, PTFE, and Nickel plating to meet specific corrosion resistance needs.
- Customized Fastener Production: Supports full customization from customer samples and drawings with CNC machining capabilities.
- Flexible Lead Time: Busy season 15-30 days, slack season 10-15 days, with priority production available for large orders.
- Free Sample Availability: Provides free samples for standard fasteners and existing customers, covering express charges for orders under 1kg.
- Professional OEM/ODM Service: Accepts custom logos and designs on both products and packaging with a dedicated design team.
- Rigorous Quality Assurance: Implements strict testing protocols ensuring durability and compliance with international standards.
- Competitive Pricing Strategy: Delivers cost-effective solutions leveraging state-of-the-art factory production capabilities.
Product Attributes
- Customization
- Available
- Material
- Carbon Steel/ Stainless Steel
- Type
- Round Head
- Model NO.
- ASTM A193 Stud Bolts
- Connection
- Common Bolt
- Head Style
- Round
- Standard
- DIN, ANSI, GB, JIS, BSW
- Grade
- A2-70
- Application
- Machinery, Chemical Industry, Environmental, Building
- Finish
- Black, Zinc, PTFE, HDG, Yellow Zinc Plated
- MOQ
- 10,000 Pieces
- Thread
- Metric
- Name
- Stud Bolts
- Certificate
- ISO9001
- Transport Package
- 20-25kg/Carton+900kg Pallet
- Specification
- 1/2''-2''
- Trademark
- BNT
- Origin
- China
- HS Code
- 731815
- Production Capacity
- 1000ton/Month
- Package Size
- 25.00cm * 25.00cm * 15.00cm
- Package Gross Weight
- 25.000kg
- Lead Time
-
5 days (1 - 1000 Pieces)
To be negotiated ( > 1000 Pieces)
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 HDG Black Oxide Carbon Steel Stud Bolts ASTM A193, ASTM A193 PTFE Coating Full Threaded Stud Bolts B7 Stud Bolt
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Product Description

| Standard | DIN,ASTM/ANSI JIS EN ISO,AS,GB |
| Material | Stainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L,F593 |
| Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449 | |
| Finishing | Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide, Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated |
| Production Process |
M2-M24:Cold Froging,M24-M100 Hot Forging, Machining and CNC for Customized fastener |
| Customized Products Lead time |
Busy season:15-30days,Slack seaon:10-15days |
| Stock Products | Steel:4.8Grade DIN6923,8.8Grade 10.9Grade of GB5783 and GB5782 Stainless steel: All DIN Standard stainless steel Bolt |
| Free samples for standard fastener. | |
| For more information visit: https://bolnut-fastener.en.made-in-china.com/product-group/porTlUwdniWq/Thread-rod-stud-bolt-catalog-1.html?pv_id=1j8pubenoa14&faw_id=1j8pubhvs7&bv_id=1j8pubhvu2d2 | |



Our Services:
Professional Manufacturer: Bolnut Fastener Co., Ltd takes pride in being a distinguished leader in the fastener industry. Our hex bolts are crafted with precision, adhering to the exact specifications and performance standards laid out by our valued clients. Every piece is an embodiment of engineering excellence and commitment to quality.
Quality Assurance: At Bolnut Fastener Co., Ltd, we implement rigorous testing protocols to ensure each fastener withstands the test of time and meets the highest standards of durability. Our technical designs are meticulously crafted to provide longevity and reliability in every application.
Cost-Effective Solutions: Offering unbeatable value with our competitive pricing strategy, Bolnut Fastener Co., Ltd leverages its state-of-the-art factory production capabilities. We are committed to delivering quality without compromise, ensuring our fasteners are accessible to a wide range of customers.
Comprehensive Fastening Solutions: With a decade of expertise under our belt, we at Bolnut Fastener Co., Ltd, present an extensive array of part options. Our diverse selection is designed to cater to the unique and specific requirements of our clients, ensuring all fastening needs are met effortlessly.
Customized Ideal Fasteners: Bolnut Fastener Co., Ltd specializes in customization, offering bespoke fastening solutions crafted from customer-provided samples and drawings. We ensure that each product is tailored to perfection, aligning with the distinct preferences and specifications of our valued clientele.



1. Q: Please send the catalog.
A: If you require a catalog, please provide your email address, and we will send it within two working hours.
2. Q: Can I obtain some samples?
A: Yes, we believe that sample orders are an excellent way to initiate cooperation. All our samples are free of charge; however, we only ship weights under 1 kg. For existing customers, we offer free samples and cover the express charges.
3. Q: Can you send a price list?
A: Certainly. Please provide your email address, and we will send the price list within two working hours.
4. Q: Could you accept my own logo or design on the goods?
A: Yes, we can accommodate custom logos or designs on the products without issue.
5. Q: What is the delivery time?
A: Generally, if the goods are in stock, we can deliver them within 2-5 days. For quantities ranging from 1-2 containers, the delivery period is approximately 18-25 days. If the order exceeds two containers and requires expedited production, we can prioritize your order at the factory.
6. Q: What is your payment method?
A: Our standard payment terms are 30% T/T as a deposit and the remaining 70% before shipping. We also accept L/C and D/P. For more detailed information, we can discuss via email.
7. Q: What is your packaging?
A: Our standard packaging is 20-25 kg per carton, with 36 or 48 cartons per pallet. Each pallet weighs approximately 900-960 kg. We can also print customer logos on the cartons or customize packaging according to specific requirements.
8. Q: Do you accept custom designs on products or boxes?
A: Yes, we accept customized designs for both products and packaging. We have a professional design team capable of creating products based on your specifications.
9. Q: Can I trust you?
A: Absolutely. We are verified suppliers on "Made-in-China" and undergo a rigorous certification process to ensure we are a legitimate manufacturer.
10. Q: May I visit your factory?
A: Of course. We welcome visits to our factory at any time. Before your arrival, please contact us to inform us of your schedule so we can arrange transportation from the airport or train station.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI254415". Items marked "" are certified.
Company Profile
"BOLNUT FASTENER" is a professional fasteners supplier in China, specialize in the Bolts, Nuts, Washers, Thread Rods, U-BOLT and the Stamping metal parts, according to the customers drawings or samples. Our factory "JIANGYIN CHANGYUAN FASTENER Co., Ltd" is located in Jiangyin City, Jiangsu Province.
"BOLNUT FASTENER" export products include various different specifications and types: THREADED RODS, HEX BOLTS, FLANGE BOLTS, CARRIAGE BOLTS, HEX NUTS, FLANGE NUTS, SQUARE NUTS, FLAT WASHERS, SPRING WASHERS, SPECIAL FASTENERS AND OTHER VARIOUS METAL PARTS. According to the standards"ANSI/ASME, DIN, BS, AS, ISO". The strength grade of the products are Class4.8, 6.8, 8.8, 10.9, 12.9, Grade2, 5, 8, A325, A194
"BOLNUT FASTENER" control each link to ensure the factory can produce the high-leave quality products, from raw material to the production process in strict accordance with the procedures and boasts well-quality inspectors and testing, which take effective control on the production process to ensure products quality. It successfully won the customer very satisfactory according to these process.
Therefore our goods have been exported toAmerica, UK, Eruope, Canada, Mexico, Central and South America, Spain, Australia, New Zealand and Middle of East.
Welcome to contact us for future cooperation, Your enquiry will be high appreciated by us. We assure you with the prompt reply & competitive prices
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- No708 Huadong Building, Yangshe Town, Zhangjiagang City, Suzhou, Jiangsu, China
-
Registered Capital
- 1,000,000 RMB
-
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
Off Season Lead Time: within 15 workdays - Nearest Port
- SHANGHAI , NINGBO ,ZHAPU , SHENZHEN, TIANJING
-
Minimum Order Quantity
- 0.4 Ton
-
Supply Chain Partners
- 18
Our Production Capability & Technical Expertise
- Main Products
- Hex Bolts Screws Nuts Washers Thread Rods, Non-Standard Metal Parts
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2012-06-06
-
Export Year
- 13 Years
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
-
Repeat Buyers Choice
- 50%~80%
-
Overseas Agent/Branch
- No
FAQ
- How can I obtain the product catalog?
- Please provide your email address, and we will send the catalog within two working hours.
- Are samples available and what are the conditions?
- Yes, samples are free of charge. We ship weights under 1kg for free; existing customers also get free express shipping.
- How do I get the price list?
- Please provide your email address, and we will send the price list within two working hours.
- Can I add my own logo or design to the products?
- Yes, we can accommodate custom logos or designs on the products without issue.
- What is the delivery time for orders?
- Stock items deliver within 2-5 days. 1-2 containers take 18-25 days. Orders over two containers can be prioritized.
- What are your payment methods?
- We accept 30% T/T deposit with 70% before shipping, as well as L/C, D/P, and other terms discussed via email.
- How are the products packaged?
- Standard packaging is 20-25 kg per carton (36-48 cartons per pallet). We can print logos or customize packaging.
- Do you accept custom designs for products or boxes?
- Yes, we accept customized designs for both products and packaging with a professional design team.
- How can I verify your legitimacy as a supplier?
- We are verified suppliers on Made-in-China and undergo a rigorous certification process to ensure legitimacy.
- Can I visit your factory?
- Yes, we welcome factory visits. Please contact us beforehand to arrange transportation from the airport or train station.
Send your message to this supplier
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