Flat Head Socket Cap Screws, Grade 12.9 Steel Black Oxide Machine Screw, 304 Stainless Steel Flat Head Cap Screws for Industries
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Product Highlights
- Wide Material Range: Available in Carbon Steel, SS201, SS303, SS304, SS316, SS316L, SS904L, and F593.
- High Strength Grades: Offers grades from 4.6 to 12.9, including SAE Gr.2, 5, 8 and ASTM 307A, 307B, A325.
- Diverse Finishing Options: Includes Zinc (Yellow, White, Blue, Black), HDG, Black Oxide, Geomet, Dacroment, and Nickel plating.
- Customized Production: Cold forging, hot forging, machining, and CNC for custom fasteners based on samples or drawings.
- Free Samples Available: Free samples provided for standard fasteners; express charges covered for existing customers.
- Flexible Delivery Time: Stock delivery in 2-5 days; bulk orders take 10-30 days depending on season and volume.
- Custom Logo and Design: Accepts custom logos on products and packaging with professional design team support.
- Comprehensive Certifications: Verified supplier with ISO9001 certification and rigorous durability testing.
Product Attributes
- Customization
- Available
- Material
- Carbon Steel/ Stainless Steel
- Type
- Round Head
- Model NO.
- Socket Flat Head Cap Screws
- Connection
- Common Bolt
- Head Style
- Round
- Standard
- DIN, ANSI, GB, JIS, BSW
- Grade
- A2-70
- Application
- Machinery, Chemical Industry, Environmental, Building
- Finish
- Black, Zinc, Plain, Black Oxide, Zinc Plated
- MOQ
- 10000pieces
- Thread
- Metric
- Name
- Socket Flat Head Cap Screws
- Certificate
- ISO9001
- Measurement System
- Inch,Metric
- Transport Package
- 20-25kg/Carton+900kg Pallet
- Specification
- 6"-1-1/2"
- 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 Flat Head Socket Cap Screws, Grade 12.9 Steel Black Oxide Machine Screw, 304 Stainless Steel Flat Head Cap Screws for Industries
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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/gbItzfEMYHcd/Socket-Head-Machine-Screws-1.html?pv_id=1j61rqpr5b83&faw_id=null&bv_id=1j61scf18284&pbv_id=1j61rqp318ae | |




Our Services:
Professional Manufacturer: Every single fastener we produce is crafted with precision and care, strictly adhering to the bespoke specifications and high-performance standards set forth by our valued clients.
Quality Assurance: We employ rigorous durability tests and meticulous technical design evaluations to significantly extend the lifespan and reliability of our fasteners, ensuring remarkable durability.
Cost-Effective Solutions: Leverage our competitive pricing structure, which is underpinned by our robust professional factory production capabilities, to achieve cost efficiency without compromising on quality.
Comprehensive Fastening Solutions: With over a decade of industry experience, we offer an extensive array of part selections tailored to perfectly meet your specific requirements and challenges.
Customized Ideal Fasteners: Our custom-tailored services are based on detailed customer-provided samples and drawings, ensuring the perfect fit for your unique application.



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 to get the catalog?
- If you require a catalog, please provide your email address, and we will send it within two working hours.
- Can I obtain some samples?
- 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.
- Can you send a price list?
- Certainly. Please provide your email address, and we will send the price list within two working hours.
- Could you accept my own logo or design on the goods?
- Yes, we can accommodate custom logos or designs on the products without issue.
- What is the delivery time?
- 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.
- What is your payment method?
- 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.
- What is your packaging?
- 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.
- Do you accept custom designs on products or boxes?
- Yes, we accept customized designs for both products and packaging. We have a professional design team capable of creating products based on your specifications.
- Can I trust you?
- Absolutely. We are verified suppliers on 'Made-in-China' and undergo a rigorous certification process to ensure we are a legitimate manufacturer.
- May I visit your factory?
- Of course. We welcome visits to your 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.
Send your message to this supplier
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