Product Introduction
DIN931 stainless steel half thread hex bolts from our experienced manufacturer are reliable fasteners for applications requiring partial thread engagement. Their hexagonal head design and cold-forged construction ensure excellent torque transmission and strength. Suitable for automotive, construction, and machinery industries, these bolts provide secure connections and resist corrosion, even in harsh environments.
Our manufacturing process is certified with ISO9001:2008, TS16949, CE, and RoHS, assuring quality and safety. With a supply ability of 300 tons per month and a lead time of 7 days for samples, customers can expect prompt delivery and exceptional service from our dedicated team.
Product Advantage
Corrosion-Resistant: Made from 304 or 316 stainless steel, these bolts provide superior protection against corrosive elements, ideal for coastal and marine applications.
High Tensile Strength: With a tensile strength of 700 Mpa, they maintain stability under high stress conditions, crucial for heavy machinery.
Precision Threads: Half thread design offers precise fastening and saves material, reducing weight and costs without compromising strength.
Multiple Applications: Versatile for use in various industries such as chemical, food processing, and medical equipment, where sanitation and safety are critical.
Quality Standards: Adheres to strict quality controls, meeting international standards such as ISO 9001:2008, ensuring consistent product quality.
Technical Parameters
| Material | Stainless steel A2-70 or A4-70 |
| Treatment method | Half threading, cold forging, passivation, etc. |
| Standard | Meets DIN931 standard |
| Size information | Diameter M8 and M10, length customizable |
| Appearance type | Hex head bolt, partially threaded |
| Thread specification | Including M8 and M10, thread pitch 1.25 and 1.5mm |
| Tolerance | According to DIN931 standard, including head thickness, thread length, etc. |
| Customization service | Customizable services for material, size, tolerance, etc. |
Product Uses
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Heavy Machinery Industry: DIN931 bolts are the backbone of the heavy machinery industry, providing secure fastenings for large moving parts that endure substantial forces and pressures.
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Chemical and Pharmaceutical Industries: Known for their resistance to corrosion, these bolts are preferred in chemical plants and pharmaceutical facilities where they come into contact with various chemicals and need to maintain integrity.
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Marine and Offshore Construction: With superior corrosion resistance, DIN931 hex bolts are ideal for marine applications where equipment is exposed to saltwater and humid conditions.
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Automotive and Railway Sectors: These bolts ensure the stability of vehicle and railway components, critical for safety in high-speed operations and harsh environmental conditions.
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Agricultural and Construction Equipment: DIN931 bolts are utilized in agricultural machinery and construction equipment for their ability to withstand the rigors of outdoor work and resist rust from constant exposure to the elements.
FAQ
Q1: What sets these half thread hex bolts apart from fully threaded bolts?
A1: The half thread design offers a lighter and more cost-effective solution without compromising on secure fastening.
Q2: Is it possible to use these bolts in conditions with extreme temperatures?
A2: They are crafted from stainless steel that can withstand high and low temperatures, making them versatile for various environments.
Q3: Are there different surface treatments for these bolts to choose from?
A3: Options like galvanizing are available to increase their corrosion and wear resistance, tailoring them to specific needs.
Q4: Would these bolts be appropriate for use in chemical processing facilities?
A4: Definitely, their material is resistant to chemical corrosion, making them suitable for facilities where chemical exposure is frequent.
Q5: Are there any international quality certifications for these bolts?
A5: They are certified to standards such as ISO 9001:2008, confirming their quality and trustworthiness in the market.
