DIN933 Hex Bolt
DIN933 is a German standard hexagon bolt, which is suitable for full thread hexagon bolts with a diameter of M1.6-M52. The general carbon steel grades are mainly 4.8, 8.8 and 10.9. The common standards are DIN931 and DIN933 for metric coarse thread; DIN960 and DIN961 are for metric fine thread hex bolts.
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Product Introduction
As a manufacturer located in China, I am proud to introduce our high-quality DIN933 Hex Bolt to merchants operating in countries outside of China. Our product is specifically designed to suit the needs of various industries and promises to deliver unmatched performance and durability.
Here's what customers can expect from our DIN933 Hex Bolt:
Premium Quality Materials: We use only the best materials to manufacture our DIN933 Hex Bolt. Our bolts are made from high-grade stainless steel, which is well-known for its strength, durability, and resistance to rust and corrosion.
Accurate Dimensions: Our bolts are manufactured to exact specifications, guaranteeing that each bolt cuts threads precisely and accurately, making it perfect for industrial and construction use.
Versatile Applications: Our DIN933 Hex Bolt is suitable for various applications, including machinery, vehicles, and structural connections. With its exceptional strength and durability, it is an excellent choice for several different industries.
Easy to Install: The DIN933 Hex Bolt is easy to install and requires minimal tools. It is designed to work in harsh environments and can withstand shocks, vibration, and extreme temperatures.
Reliability: Our DIN933 Hex Bolt undergoes rigorous quality checks to ensure that they meet international standards. Therefore, our bolts are reliable and withstand harsh working conditions without breaking or snapping.
Cost-Effective: Our DIN933 Hex Bolt is competitively priced, making it a cost-effective solution for businesses all over the world.
Why Choose Our DIN933 Hex Bolt:
Our DIN933 Hex Bolt is a reliable solution for a wide variety of applications. We have designed our bolt to withstand harsh working conditions and can provide exceptional strength and durability. We use only the finest materials in our manufacturing process, ensuring our bolts are of high quality, premium grade, and able to work under tough conditions.
Our DIN933 Hex Bolt can be customized as per your business needs, and we can adjust the grade, material or size as needed. Additionally, our products undergo stringent quality tests to ensure they meet or exceed international quality standards. Our company is committed to producing high-quality, competitively priced products that are tailored to meet our customers' requirements.
If you are looking for a reliable and cost-effective DIN933 Hex Bolt, look no further than our company. We are dedicated to providing top-quality products to our clients worldwide. Contact us today, and let's discuss how our DIN933 Hex Bolt can benefit your business!
DIN933 is a German standard hexagon bolt, which is suitable for full thread hexagon bolts with a diameter of M1.6-M52. The general carbon steel grades are mainly 4.8, 8.8 and 10.9. The common standards are DIN931 and DIN933 for metric coarse thread; DIN960 and DIN961 are for metric fine thread hex bolts. Also there are ASME hex bolt, such as ASME B18.2.1 hex cap screws, hex heavy bolt, etc. Some customers need JIS hex bolts, such as JIS B1180 hex bolts.
The different standards defines the detail dimensions of hex head bolt, for example, M10X30 hex bolt, there are hex head dimensions, thread dimensions in the standard which can be produced with. It is very helpful to see what hex bolts customers need.
The tolerance fit before galvanizing is mainly 6g/6h, and the factory belt fit after galvanizing can be changed to 6h/6g. However, after coating, it is affected by the thickness of the surface coating. When testing the thread with the corresponding GO or Stop gauge, there may be cases where it cannot be matched, and only the nut installation test that matches the specification can be performed.
Production Process of Hex Bolts

Specification of DIN933 Hex Bolt

d(DIN931) | M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | (M7) | M8 | M10 | M12 | |
P |
| 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1 | 1.25 | 1.5 | 1.75 |
e | min | 3.41 | 4.32 | 5.45 | 6.01 | 6.58 | 7.66 | 8.79 | 11.05 | 12.12 | 14.38 | 18.9 | 21.1 |
k | max | 1.1 | 1.4 | 1.7 | 2 | 2.4 | 2.8 | 3.5 | 4 | 4.8 | 5.3 | 6.4 | 7.6 |
min | 0.98 | 1.28 | 1.58 | 1.88 | 2.28 | 2.68 | 3.35 | 3.85 | 4.65 | 5.15 | 6.22 | 7.32 | |
min | 1.22 | 1.52 | 1.82 | 2.12 | 2.52 | 2.92 | 3.65 | 4.15 | 4.95 | 5.45 | 6.58 | 7.68 | |
s | max | 3.2 | 4 | 5 | 5.5 | 6 | 7 | 8 | 10 | 11 | 13 | 17 | 19 |
min | 3.02 | 3.82 | 4.82 | 5.32 | 5.82 | 6.78 | 7.78 | 9.78 | 10.73 | 12.73 | 16.73 | 18.67 | |
d(DIN931) | (M14) | M16 | (M18) | M20 | (M22) | M24 | (M27) | M30 | (M33) | M36 | (M39) | |
P |
| 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4 |
e | min | 24.49 | 26.75 | 30.14 | 33.53 | 35.72 | 39.98 | - | - | - | - | - |
k | max | 8.8 | 10 | 11.5 | 12.5 | 14 | 15 | 17 | 18.7 | 21 | 22.5 | 25 |
min | 8.62 | 9.82 | 11.28 | 12.28 | 13.78 | 14.78 | - | - | - | - | - | |
min | 8.98 | 10.18 | 11.72 | 12.72 | 14.22 | 15.22 | - | - | - | - | - | |
s | max | 22 | 24 | 27 | 30 | 32 | 36 | 41 | 46 | 50 | 55 | 60 |
min | 21.67 | 23.67 | 26.67 | 29.67 | 31.61 | 35.38 | - | - | - | - | - | |
Common Grade and Coating
Standard | Material | Grade | Finish | Thread |
DIN933 | carbon steel | 4.6 | Plain | UNC |
Zinc plated | ||||
Alloy steel | Yellow zinc plated | |||
PTFE | ||||
Stainless steel | Black Oxide | UNF | ||
Dacromet | ||||
Other | HDG | |||
Other |
Application Area of Hex Bolts
DIN933 hex bolt are very widely used in the market. Because there are national standard, so many countries can use the same standard. The most material are carbon steel hex bolts and stainless steel hex bolts.
Because of its unique anti-corrosion ability and bright appearance, stainless steel hexagon bolts are widely used in environmental protection equipment, communication equipment, food machinery, power facilities, medical equipment, electronic products, petrochemicals, ship assembly, pump valve piping, building installation, etc. Production installation, repair and maintenance in the industry. Of course, in some specific locations in these fields, other products are also used, such as rail bolts, flange nuts, U-bolts, flat head hex bolts, T-bolts, round head square neck bolts and round head hex bolts.

Why choose us?
- We can provide samples for testing to ensure our products meet your requirements.
- With the spirit of professionalism, we keep improving the quality of our DIN933 Hex Bolt, pushing out new ideas and expanding our business.
- We have a wide network of partners and suppliers to ensure a reliable and consistent supply chain.
- The company attaches great importance to human resource strategy.
- We offer customized packaging options to meet customer requirements.
- Through a lot of engineering practice and continuous technological innovation, the company has mature technology and high-quality products.
- Our efficient production process allows us to offer fast turnaround times without compromising quality.
- customer-centered business philosophy and dedicate our DIN933 Hex Bolt, as well as experience and technology to every customer.
- We have a comprehensive warranty policy for our products.
- Our company is dedicated to product details, not let go of every detail, we have many years of experience, superb skills.
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