DIN 6929 Stainless Steel Hex Socket Captive Screw Reduced Shank Screw for Machinery
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Product Highlights
- The Hex Socket Shoulder Screw combines a smooth shoulder section and threaded end for accurate positioning, guiding, and controlled movement.
- The Shoulder Bolt provides a stable bearing surface for pivots, rollers, linkages, and other moving mechanical components.
- The internal hex drive allows efficient torque transmission while keeping the head compact for machinery, molds, fixtures, and automation equipment.
- The Stainless Steel Shoulder Screw offers good corrosion resistance and a clean finish for precision mechanical assemblies.
- The Custom Shoulder Screw is available in different shoulder diameters, shoulder lengths, thread sizes, materials, and finishes.
Product Attributes
- Customization
- Available
- Material
- Stainless Steel
- Type
- Cheese Head
- Model NO.
- DIN 6929
- Groove
- Hexagon
- Connection
- Common Bolt
- Head Style
- Cylinder
- Standard
- DIN, GB, ANSI, BSW, JIS, ISO
- Grade
- A2-70 A4-70
- Item Name
- Stainless Steel Hex Socket Shoulder Screw
- Thread
- Unc, Unf, Un, Metric Coarse, Fine
- Quality
- 100% Tested
- Price
- Factory Price
- Lead Time
- 15-30 Days
- Package
- Standard Package or Customer's Packing
- Box
- Customer's Brand Box/Plain Box
- MOQ
- Can Be Negotiated
- Shipment
- by Sea / Truck / Plane / Express
- Exterior Finish
- Customized
- Sample
- Available
- Customized
- Available
- Service
- One-Stop Service
- Online Sales
- 24 Hours Online
- OEM/ODM
- Available
- Transport Package
- Bulk Packaging, Small Box(Glue Box, Color Box)
- Specification
- M2.5 - M30
- Trademark
- Mianxuan, Customized
- Origin
- Ningbo, China
- HS Code
- 7318151001
- Production Capacity
- 1000tons Per Month
- Package Size
- 10.00cm * 10.00cm * 5.00cm
- Package Gross Weight
- 0.500kg
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 DIN 6929 Stainless Steel Hex Socket Captive Screw Reduced Shank Screw for Machinery
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Product Description
DIN 6929 Stainless Steel Hex Socket Captive Screw Reduced Shank Screw for Machinery |
Product Name | Hex Socket Shoulder Screw |
Product Type | Shoulder Screw / Shoulder Bolt |
Standard | ISO 7379 Type |
Head Type | Cylindrical Head |
Drive Type | Hex Socket |
Structure | Precision Shoulder + Threaded End |
Thread Type | Metric Machine Thread |
Thread Configuration | Partially Threaded |
Shoulder Type | Smooth Cylindrical Shoulder |
Point Type | Flat Point |
Material | Stainless Steel |
Surface Finish | Stainless Steel Natural Finish |
Thread Direction | Right-Hand Thread |
Function | Positioning / Guiding / Pivoting / Spacing |
Application | Machinery, Molds, Fixtures, Automation Equipment, Linkages and Precision Assemblies |
Customization | Shoulder Diameter, Shoulder Length, Thread Size, Overall Length, Material and Surface Finish |
Packaging | Bulk Packing, Box, Carton, Pallet or Customized Export Packaging |
OEM / ODM | Available according to Drawings, Samples or Technical Requirements |


Thread Size d | M3 | M4 | M5 | M6 | M8 | M10 | M12 | ||
P | pitch | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | |
Lg | Type K | max | 5 | 6.8 | 8.2 | 10 | 13 | 16 | 19 |
Type L | max | 11.5 | 15.5 | 18.8 | 23 | 26.5 | 32.5 | 41 | |
Ls | Type K | min | 4 | 5.4 | 6.6 | 8 | 10.5 | 13 | 15.5 |
Type L | min | 10 | 13.4 | 16.4 | 20 | 22.5 | 28 | 35.5 | |
da | max | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | |
ds | max | 2.3 | 3 | 3.9 | 4.6 | 6.2 | 7.7 | 9.2 | |
min | 2.1 | 2.8 | 3.7 | 4.4 | 6 | 7.5 | 9 | ||
r | min | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | |
dk | plain head | max | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 |
knurled heads | max | 5.68 | 7.22 | 8.72 | 10.22 | 13.27 | 16.27 | 18.27 | |
min | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 | 17.73 | ||
k | max | 3 | 4 | 5 | 6 | 8 | 10 | 12 | |
min | 2.86 | 3.82 | 4.82 | 5.7 | 7.64 | 9.64 | 11.57 | ||
s | Nominal Size | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | |
max | 2.58 | 3.08 | 4.095 | 5.14 | 6.14 | 8.175 | 10.175 | ||
min | 2.52 | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | ||
t | min | 1.3 | 2 | 2.5 | 3 | 4 | 5 | 6 | |
e | min | 2.873 | 3.443 | 4.583 | 5.723 | 6.863 | 9.149 | 11.429 | |









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
- What is a shoulder screw mainly used for?
- The Shoulder Screw is commonly used for locating, guiding, pivoting, spacing, and supporting moving parts in machinery, molds, fixtures, and automation systems.
- What is the function of the smooth shoulder section?
- The smooth shoulder of the Shoulder Bolt acts as a bearing or locating surface, allowing components such as rollers, levers, and bushings to move or align accurately.
- Can the shoulder diameter and length be customized?
- Yes. The Custom Shoulder Screw can be produced in different shoulder diameters, shoulder lengths, thread sizes, and overall lengths according to drawings.
- What materials are available?
- The Hex Socket Shoulder Screw can be supplied in stainless steel, alloy steel, or carbon steel depending on strength, wear, and corrosion-resistance requirements.
- Can special tolerances and finishes be supplied?
- Yes. The Socket Shoulder Screw can be manufactured according to specified dimensional tolerances, surface finish, material, and coating requirements.
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