Hebei Kappa Metal Products Co., Ltd. is one of the most reliable manufacturers and suppliers of stainless steel 316 hex bolt a4-70 din933 in China. Welcome to buy bulk high quality stainless steel 316 hex bolt a4-70 din933 made in China here from our factory. If you have any enquiry about cooperation, please feel free to email us.
Key Parameters
| Execution standard | German standard DIN933 (full thread) |
| Material | A4-70 (316 stainless steel) |
| Product Specifications | M6-M30 (Customizable) |
| Surface treatment | Natural color / Degreasing treatment / Plain |
| Packaging style | Small boxes/small bags+cartons+pallets |
| Delivery time | 7 days (in stock) |
| Logistic | By air, by sea, by truck, by UPS/DHL |
| Original place | Handan City, Hebei Province, China |
| Promise | Quality first, service supreme, 24-hour after-sales service |
Material Advantage
This product is made of high-quality 316 stainless steel (Grade A4). Compared to ordinary 304 material, it contains molybdenum elements, which gives it stronger corrosion resistance and resistance to chloride pitting. The A4-70 performance grade indicates that the tensile strength of this bolt can reach 700 MPa, combining high strength with excellent ductility, and is capable of effectively handling impacts and vibrations in heavy-load conditions.
Structural features
Complying strictly with the DIN933 standard, it adopts a full-thread design to ensure that the connection length can be flexibly adjusted and the force is more evenly distributed. The hexagonal head structure has distinct edges and corners, with precise geometric dimensions. It is compatible with standard wrenches, and is less likely to slip during installation, capable of withstanding a large torque.
Application scenario
Designed specifically for harsh environments such as marine engineering, shipbuilding, chemical equipment, medical devices, food machinery, and outdoor facilities in high-salt spray areas. Even in humid, acidic, alkaline or chloride-ion-containing harsh conditions, it can maintain long-term stable fastening performance. It is the ideal choice for high-end corrosion-resistant fasteners.
Packaging and Service
The product is packaged with anti-rust material. Customization is supported for non-standard orders. We provide matching high-strength washers and nuts to ensure the strength of the connection pair is compatible and meets the requirements of bulk purchasing.
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