DIN933 Carbon Steel Hex Bolt Black Oxide Full Thread Hexagon Bolt ISO 4017 for Agricultural Machinery
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Product Highlights
- Black oxide full thread hex bolt is designed for stable fastening in machinery, equipment and industrial assembly applications.
- The full thread design allows longer thread engagement and helps meet different fastening depth requirements.
- Hexagon head bolt structure is suitable for standard wrench installation, making assembly and maintenance more convenient.
- Black oxide finish provides a clean black appearance and basic surface protection for general industrial fastening use.
- Custom hex bolts can be supplied by thread size, bolt length, material, grade, standard, surface finish and packing request.
Product Attributes
- Customization
- Available
- Material
- Carbon Steel
- Type
- Hexagon Head
- Model NO.
- DIN933
- Connection
- Common Bolt
- Head Style
- Hexagonal
- Standard
- DIN, ANSI, GB, GOST
- Grade
- 12.9
- Application
- Machinery, Chemical Industry, Environmental, Building
- Finish
- Black
- Quality
- 100% Tested
- Surface
- Black Oxide
- Sample
- Available
- Customized
- Available
- Box
- Customer's Brand Box/Plain Box
- Online Sales
- 24 Hours Online
- OEM/ODM
- Available
- Thread Coverage
- Full Thread
- Delivery
- 15-30 Days
- Service
- One-Stop Service
- Price
- Factory Price
- Package
- Standard Package or Customer's Packing
- Head
- Hexagonal
- Shipment
- by Sea / Truck / Plane / Express
- MOQ
- Can Be Negotiated
- Transport Package
- Bulk Packaging, Small Box(Glue Box, Color Box)
- Specification
- M4-M64
- Trademark
- MXF; Customized
- Origin
- Ningbo Zhejiang
- HS Code
- 8501109101
- Production Capacity
- 1000tons Per Month
- Package Size
- 11.00cm * 5.00cm * 5.00cm
- Package Gross Weight
- 0.400kg
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 DIN933 Carbon Steel Hex Bolt Black Oxide Full Thread Hexagon Bolt ISO 4017 for Agricultural Machinery
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Product Description
DIN933 Carbon Steel Hex Bolt Black Oxide Full Thread Hexagon Bolt ISO 4017 for Agricultural Machinery |


Screw Thread d | (M18) | M20 | (M22) | M24 | (M27) | M30 | (M33) | ||
P | Pitch | 2.5 | 2.5 | 2.5 | 3 | 3 | 3.5 | 3.5 | |
a | max | 7.5 | 7.5 | 7.5 | 9 | 9 | 10.5 | 10.5 | |
c | min | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
max | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | ||
da | max | 20.2 | 22.4 | 24.4 | 26.4 | 30.4 | 33.4 | 36.4 | |
dw | Grade A | min | 25.3 | 28.2 | 30 | 33.6 | - | - | - |
Grade B | min | 24.8 | 27.7 | 29.5 | 33.2 | 38 | 42.7 | 46.5 | |
e | Grade A | min | 30.14 | 33.53 | 35.72 | 39.98 | - | - | - |
Grade B | min | 29.56 | 32.95 | 35.03 | 39.55 | 45.2 | 50.85 | 55.37 | |
k | Nominal Size | 11.5 | 12.5 | 14 | 15 | 17 | 18.7 | 21 | |
Grade A | min | 11.28 | 12.28 | 13.78 | 14.78 | - | - | - | |
max | 11.72 | 12.72 | 14.22 | 15.22 | - | - | - | ||
Grade B | min | 11.15 | 12.15 | 13.65 | 14.65 | 16.65 | 18.28 | 20.58 | |
max | 11.85 | 12.85 | 14.35 | 15.35 | 17.35 | 19.12 | 21.42 | ||
k1 | min | 7.8 | 8.5 | 9.6 | 10.3 | 11.7 | 12.8 | 14.4 | |
r | min | 0.6 | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | |
s | max=nominal size | 27 | 30 | 32 | 36 | 41 | 46 | 50 | |
Grade A | min | 26.67 | 29.67 | 31.61 | 35.38 | - | - | - | |
Grade B | min | 26.15 | 29.16 | 31 | 35 | 40 | 45 | 49 | |






Q1: Are you a fastener manufacturer or trading company? |
A1: We are a professional fastener supplier with manufacturing and sourcing capabilities, providing bolts, nuts, washers, screws, threaded rods and custom fasteners for global B2B buyers. |
Q2: Can you supply standard and non-standard fasteners? |
A2: Yes. We can supply standard fasteners according to DIN, ISO, ANSI, ASTM and other standards, and also support non-standard fasteners based on drawings or samples. |
Q3: What materials can you provide for fasteners? |
A3: We can provide carbon steel, stainless steel, alloy steel, brass and other materials according to the application, strength requirement and customer specifications. |
Q4: Do you support OEM or customized fastener production? |
A4: Yes. We support OEM fastener production, including custom size, thread, material, surface finish, marking, packaging and drawing-based manufacturing. |
Q5: How do you control fastener quality before shipment? |
A5: We inspect dimensions, threads, surface finish, hardness and appearance before shipment. Inspection reports and related documents can be provided according to order requirements. |
Q6: What information should I provide for a fast quotation? |
A6: Please provide product name, standard or drawing, size, material, grade, surface finish, quantity, packaging requirement and application. This helps us offer an accurate quotation quickly. |
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASR263332". Items marked "" are certified.
Company Profile
Ningbo Mianxuan Imp. & Exp. Co., Ltd. Is an industrial and trade enterprise integrating the development, design, production and sales of Vehicles Parts and Accessories, CNC Machining, Metal Stamping, Fasteners, Plastic and Rubber Parts etc.
Providing customers with one-stop supply chain services is our main business. Keep customers satisfied is our enterprise purpose. Radiation Europe, the United States, Australia, UK and other countries and regions, with good customer resources and channels. We use products and services to connect customers and needs and empower brands. We are driven by the market and customer needs to build and seize incremental markets and win the future with customers.
With quality control system of ISO/TS 16949: 2009, the company has equipped with a full range of advanced testing equipment and also own several experienced engineers and quality controllers, which can ensure that the product quality is effectively controlled in the whole production process. Effective inspection report with corresponding material certificate will be provided for each shipment.
About Our Factory & Business Background
- Address
- 2806 Hebang Building A Ningbo, Zhejiang, China
- Terms of Payment
- LC, T/T, Western Union
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Ningbo, Zhapu, Shanghai
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2014-07-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- Q1: What is a black oxide full thread hex bolt used for?
- A1: It is commonly used for machinery, equipment assembly, steel structure, automotive parts and general industrial fastening applications.
- Q2: What is the advantage of a full thread hex bolt?
- A2: A full thread hex bolt provides continuous thread engagement, which is useful when the fastening depth or clamping position needs flexibility.
- Q3: What materials can be supplied for black oxide hex bolts?
- A3: Black oxide hex bolts are usually supplied in carbon steel or alloy steel, depending on the required strength and application.
- Q4: Can you supply different grades of hexagon head bolts?
- A4: Yes. We can supply grades such as 8.8, 10.9, 12.9 or custom grades according to the project requirement.
- Q5: What information is needed for a quotation?
- A5: Please provide thread size, bolt length, standard, material grade, thread type, quantity, packing requirement and drawing if available.
- Q6: Can black oxide hex bolts be produced by drawing or sample?
- A6: Yes. Custom hex bolts can be produced according to drawings, samples, special thread requirements or non-standard dimensions.
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