At Yongnian Country Tianbang Fasteners Co., Ltd., our decades-long expertise in fastener manufacturing is embodied in our din933 hex bolt— a product defined by its precise hexagon head shape and strict adherence to din 933 standards. As a trusted supplier, we recognize that mild steel hex bolt are the backbone of countless industrial, construction, and machinery projects, where reliability and precision can’t be compromised. Our core values— engineering integrity, quality craftsmanship, and customer-centricity— guide every step, from sourcing high-grade mild steel to refining the hexagon head design that ensures easy installation and secure fastening. For us, a din933 hex bolt isn’t just a fastener; it’s a promise of consistency. Every unit that leaves our facility carries the Yongnian Country Tianbang Fasteners Co., Ltd. mark— a guarantee that it meets the exacting dimensions of din 933 and delivers the strength needed to hold critical assemblies together.

DIN933 Hex Bolt from Yongnian Country Tianbang Fasteners Co., Ltd. Features Precision Hexagon Head Shape
- DIN933 hex bolt from Yongnian Country Tianbang Fasteners Co., Ltd. features a precision hexagon head shape that sets it apart in terms of functionality and compliance with din 933
- The hexagon head isn’t just a design choice— it’s engineered to provide maximum torque during installation, ensuring the bolt tightens securely without slipping (a common issue with poorly shaped heads).
- We manufacture the head using advanced forging technology, which creates sharp, uniform hexagonal edges and a flat top surface— every dimension, from the distance across the flats to the head height, is calibrated to match din 933’s exact specifications.
- This precision ensures compatibility with standard hex wrenches, eliminating the need for specialized tools and streamlining installation. Our din933 hex bolt’s head also undergoes strict visual and dimensional checks: we use laser measuring tools to verify that no head is misshapen or undersized, as even small deviations can compromise performance.
- This focus on the hexagon head shape reflects our commitment to din 933 excellence— we don’t just meet standards; we exceed them to deliver a din933 hex bolt that contractors and engineers can trust.
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Item |
Hex bolt |
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Main product |
DIN931 DIN933 |
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Size |
M5-M64 |
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Length |
10-600mm |
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Surface |
Plain/Black /Zinc plated/HDG/Dacromet |
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Standard |
DIN GB ISO ANSI/ASME BS Non standard |
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Grade |
4.8 8.8 10.9 12.9 |
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Raw material |
Q235,Q195,1035,1045,20MnTiB, 35Crmo |
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Certification |
ISO9001, SGS |
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Package |
5kg, 10kg, 25kg carbon/bag+pallet or customized. |
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Loading port |
Tianjin port, Qingdao port,others |
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Application |
auto fasteners, mechanical, construction, powder, railway, household electrical appliance etc. |
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Non-standards |
OEM is available if you provide drawings or samples. |
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Professional |
We are profession in fastener products more than 15 years |
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Place of Origin |
Yongnian, Handan city, Hebei province, China |
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Service |
Free samples |
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Manufacture Process |
Raw material-wire drawing-cold forging-surface treatment-test -packing-loading |
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Delivery time |
Based on the order quantity |
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Equipment |
Hardness test, torque test, salt spray endurance test, mechanical sizes test,certification and etc |
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Inspection process |
Incoming quality control →Process Quality Control →Final Quality Control → Pre-shipment Quality Control |
DIN 933 Standards Define the Quality of Our Mild Steel Hex Bolt
- DIN 933 standards define the quality of our mild steel hex bolt at Yongnian Country Tianbang Fasteners Co., Ltd., ensuring every unit meets global benchmarks for performance and consistency. din 933 isn’t just a set of guidelines for us— it’s the foundation of our manufacturing process.
- For our mild steel hex bolt, this means strict adherence to material requirements: we use high-quality mild steel that balances ductility and strength, ensuring the bolt can withstand torque without snapping or bending. The standard also governs thread production: our mild steel hex bolt features precision-rolled threads with consistent pitch and depth, avoiding the unevenness that leads to loose fastening or stripped threads.
- After manufacturing, every mild steel hex bolt undergoes mechanical testing— including tensile strength and hardness checks— to verify it meets din 933’s mechanical properties. We also provide customers with din 933 certification documents, so they can confirm compliance with global standards. This strict adherence to din 933 reflects our core value of integrity: we don’t just claim our mild steel hex bolt is high-quality— we prove it through compliance with internationally recognized benchmarks.
Mild Steel Hex Bolt Complements DIN933 Hex Bolt for Diverse Applications
- Mild steel hex bolt from Yongnian Country Tianbang Fasteners Co., Ltd. complements our din933 hex bolt perfectly, offering a versatile solution for applications where din 933 compliance is needed but mild steel’s properties are ideal.
- While our din933 hex bolt is engineered for strict standard compliance, our mild steel hex bolt shares the same precision hexagon head shape and thread quality, making it compatible with the same tools and fittings.
- Mild steel’s advantage lies in its affordability and workability— it’s easy to cut, drill, or modify (when needed) without sacrificing strength, making it ideal for non-critical but still important applications, such as furniture assembly, light-duty machinery, or decorative fixtures.
- Despite its workability, our mild steel hex bolt still meets key din 933 criteria, including thread pitch and head dimensions, ensuring consistency across projects. We also offer optional coatings for our mild steel hex bolt (such as zinc plating) to enhance corrosion resistance, expanding its use to outdoor or humid environments.
- This synergy between mild steel hex bolt reflects our brand’s holistic approach: we provide a range of fasteners that work together to meet every customer’s unique needs, all while upholding our quality standards.
DIN933 Hex Bolt FAQs
How Do You Ensure the Hexagon Head Shape of DIN933 Hex Bolt Meets DIN 933 Standards?
We ensure the hexagon head shape of din933 hex bolt meets din 933 by using precision forging and laser measuring tools. Every head is checked for dimensions (distance across flats, head height) and edge sharpness, with only those matching din 933 specs moving to the next production stage.
Is Mild Steel Hex Bolt from Your Company Compatible with DIN933 Hex Bolt’s Fittings?
Yes, our mild steel hex bolt is fully compatible with din933 hex bolt’s fittings. It shares the same thread pitch, head dimensions, and bolt diameter as din933 hex bolt, ensuring it works with standard nuts, washers, and hex wrenches designed for din 933 fasteners.
What Coating Options Are Available for DIN933 Hex Bolt to Resist Corrosion?
We offer multiple corrosion-resistant coatings for din933 hex bolt, including zinc plating (for general humidity), hot-dip galvanizing (for heavy outdoor use), and black oxide (for aesthetic and moderate corrosion protection), all tailored to extend the bolt’s lifespan.
Can You Provide Custom Lengths for DIN933 Hex Bolt While Maintaining DIN 933 Compliance?
Absolutely, we provide custom lengths for din933 hex bolt while keeping din 933 compliance. We adjust the bolt’s length without altering the hexagon head shape, thread pitch, or material quality, and every custom bolt undergoes testing to verify it meets din 933 standards.
How Does the Tensile Strength of DIN933 Hex Bolt Compare to Non-DIN 933 Hex Bolts?
Our din933 hex bolt has significantly higher tensile strength than non-DIN 933 hex bolts. It’s made from high-grade materials and tested to meet din 933’s mechanical requirements, ensuring it can withstand heavier loads without breaking or deforming— a critical advantage for safety-focused projects.
Post time: Aug . 29, 2025 20:59
