Hex bolts and nuts are widely used fasteners, both at home and abroad. These fasteners are known for their versatility and strength. They come in various sizes, with threads ranging from M3 to M64, including M64, and nominal lengths from 10mm to 500mm. The standard specifications for these bolts are outlined in DIN931 partial thread, DIN933 full thread, ISO, ISO, and the American standard ASME B18.2.1. These standards ensure that the hex bolts meet specific requirements and can be used across different industries and applications. Whether it's securing structures or assembling machinery, hex bolts and nuts are the go-to choice for professionals and individuals alike.
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A hex bolt is a widely used fastener that comprises a cylindrical screw and a hexagonal head. Its primary function is to connect and secure two components with through-holes, usually through the use of a nut. This fundamental fastener is a staple in the world of mechanics and engineering, making it one of the most popular products available.
Jiangsu Jinrui Metal Products Co., Ltd. is a leading supplier of Hex bolts in China, offering a wide range of sizes to meet all your construction needs. With over 23 years of experience, we have established ourselves as experts in the industry. Whether you require standard Hex bolts or have specific product requirements, we are here to deliver. Our dedicated team is committed to providing you with the perfect hex bolts that align with your unique specifications. Trust us to provide the high-quality products you deserve.
Types of Hex Bolt
At Jinrui, we take pride in our ability to deliver high-quality hex bolts to meet the unique needs of our customers. Our product line includes a wide range of hexagonal bolts, and we're always willing to customize our offerings to ensure that you get precisely what you need. Whether you require a specific coating, size, or specification, we have the expertise and manufacturing capabilities to deliver the ideal hex bolt for your requirements. As an experienced hex bolt manufacturer, we're committed to providing our customers with unmatched service and support, and we're always looking for ways to improve our products and processes to better meet your needs. Contact us today to learn more about our hexagonal bolts and how we can help you achieve your goals.
Features and Benefits of Hex Bolts
As a leading hex bolt manufacturer, our products boast of full material traceability that is substantiated by corresponding quality reports on the high-grade raw materials utilized. We take pride in producing hex bolts in various sizes and dimensions ranging from M3-M64, with lengths that span from 10mm-mm. Our commitment to quality assurance ensures that all our hex bolts consistently meet the required standard.
Our hex bolts are expertly crafted using high-quality steel, and the threads boast of precise specifications such as 6g, 6h, and more. They are smooth when used in combination with nuts, ensuring a snug and secure fit. Furthermore, we apply a corrosion-resistant coating to the bolts which renders it stronger, more resilient and durable.
At our company, we're dedicated to providing our customers with the highest quality hex bolts that guarantee impressive performance, whether it's for industrial or personal use. Our exceptional attention to detail, premium raw materials, and top-notch manufacturing process ensures that our hex bolts maintain an unbeatable quality level unparalleled in the industry.
Production Process of Hex Bolts
Specification of Hex Bolts （DIN931）
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
b
L≤125
9
10
11
12
13
14
16
18
20
22
26
30
125
-
-
-
-
-
-
22
24
26
28
32
36
L>200
-
-
-
-
-
-
-
-
-
-
45
49
c
min
0.1
0.1
0.1
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
max
0.25
0.25
0.25
0.4
0.4
0.4
0.5
0.5
0.5
0.6
0.6
0.6
da
max
2
2.6
3.1
3.6
4.1
4.7
5.7
6.8
7.8
9.2
11.2
13.7
ds
max
1.6
2
2.5
3
3.5
4
5
6
7
8
10
12
min
1.46
1.86
2.36
2.86
3.32
3.82
4.82
5.82
6.78
7.78
9.78
11.73
dw
min
2.4
3.2
4.1
4.6
5.1
5.9
6.9
8.9
9.8
11.6
15.6
17.4
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
k1
min
0.7
0.9
1.1
1.3
1.6
1.9
2.28
2.63
3.19
3.54
4.28
5.05
r
min
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.25
0.25
0.4
0.4
0.6
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
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(M22)
M24
(M27)
M30
(M33)
M36
(M39)
P
2
2
2.5
2.5
2.5
3
3
3.5
3.5
4
4
b
L≤125
34
38
42
46
50
54
60
66
72
78
84
125
40
44
48
52
56
60
66
72
78
84
90
L>200
53
57
61
65
69
73
79
85
91
97
103
c
min
0.15
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.3
max
0.6
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
1
da
max
15.7
17.7
20.2
22.4
24.4
26.4
30.4
33.4
36.4
39.4
42.4
ds
max
14
16
18
20
22
24
27
30
33
36
39
min
13.73
15.73
17.73
19.67
21.67
23.67
-
-
-
-
-
dw
min
20.5
22.6
25.3
28.2
30
33.6
-
-
-
-
-
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
-
-
-
-
-
k1
min
5.96
6.8
7.8
8.5
9.6
10.3
11.7
12.8
14.4
15.5
17.2
r
min
0.6
0.6
0.6
0.8
0.8
0.8
1
1
1
1
1
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
Application Area of Hex Bolts
Hex head bolts are used in a wide range of applications. They are used in most machinery and equipment, as well as in infrastructure fields such as construction and transportation. For example, hex bolts are used in the fields of petrochemical industry, automobile manufacturing, construction, pressure piping, rail transit, steel structure engineering, large-scale power generation machinery facilities and infrastructure. Basically, they can be seen in all corners of the city. Of course, in some specific positions in these areas, some other products will also be used, such as rail bolts, flange nuts, U-bolts, flat head hexagon bolts, T-bolts, round head square neck bolts and hex cap screw, etc. If you are not familiar with the usage scenario, you are welcome to consult us at any time, we are a professional hex bolts manufacturer.
Jinrui: Your Leading Hex Bolts Manufacturers
Jiangsu Jinrui Metal Products Co., Ltd. was established in and is located in Hai'an High-tech Zone, Jiangsu Province, China. It is a professional fastener manufacturer in China. Jinrui's production management is inherited from the parent company Shanghai Jinrui Standard Parts Co., Ltd. Come, all production technicians have more than 8 years of rich production experience. At present, the factory covers an area of 30,000 square meters, with a total investment of more than 100 million yuan. The annual output of only one product of hexagonal bolts is about 5,000 tons. The business of hexagonal bolts covers more than 20 countries and regions around the world, so it can also be said that Jiangsu Jinrui Metal Products Co., Ltd. is also a professional hex bolt manufacturer. The company has passed the ISO: quality system certification and IATF: automotive quality management system certification, and we have also insured the "Global Product Liability Insurance" of the People's Insurance Company of China. At present, the company is equipped with advanced multi-functional cold heading equipment, threading machine, nut machine and large hot heading equipment, as well as supporting testing equipment such as magnetic testing machine, metallographic analyzer, salt spray tester, etc. Professional testing personnel guarantee Pass a defective product. Various high-quality fasteners and non-standard products that meet GB, DIN, ANSI, JIS and ISO standards are manufactured through our R&D department. Welcome to Jinrui to visit the factory and we are looking forward to cooperating with you.
FAQ
Q1: Are you a factory or trading company?
A: We are manufacturer of hex bolts and nut for more than 20 years . We have two factories, one in Shanghai and the other in Jiangsu. Our production capacity can be + tons per year. We can customize our products according to customers' requirements, drawings and samples.
Q2: How many years you do foreign trade?
A: We have more than 20 years experience in exporting products to worldwide countries with our best quality. Now we have exported more than 40 countries, such as Spain, Germany, Italy, Belgium, United Kingdom, Lithuania, USA, Canada, Australia, Singapore,Japan, Thailand, Malaysia, South Korea,Indonesia, Egypt, Philippines and so on.
Q3: Do you have enough outputs?
A: We have enough stock in warehouses with abundant capital. We offer 24-hour services. For most common standards, we have them on stock, such as hex bolts, hex nuts, etc.
Q4: How to ensure that every process's quality?
A: First, we have technical drawings for each product when producing.
Second, our workers most have more than 10-years experience of doing hex bolts.
Third, our QC people will do inspection every 2 hours. If finding the bad parts, they will stop the porduction immediately.
Then,the finished parts will be checked again before shipment which insures every product's quality.
Q5: How to ensure the safety of long-distance transportation?
A: We pack into cartons first, and then pack cartons on pallets. The pallet is very easy to lift by Forklift wihch will protect the cartons from damage. Professional packing teams which keep every packing safely.
Q6: What products can you customize?
A:One is standard parts, such as DIN933, hex bolts. The other is Non-standard parts. If you want standard parts, you can tell the standard, size, grade(material) ,coating and quantity. For example, you want to buy DIN933, M12X60,grade 8.8, zinc plated and pcs.
If you want non-standard parts, you can show us samples, drawings or detail descriptions. Then our engineer will do the technical drawings for you.
There are many, such as hexagon bolts, flange bolts, round head square neck bolts, as well as track bolts, U-bolts, T-bolts, flat head hexagon bolts, hex nuts, hex flange nuts .
Q7: Can you provide some sample?
A: Samples can be provided as your requirements.
Hex head self drilling screws with EPDM washer
Standard
DIN K
Diameter
#10/#12/#14 (4.8MM/5.5MM/6.3MM)
Length
19~150 mm
Head type
Hex head
Treatment
heat treatment
Material
C carbon steel
Finish
zinc plated(clear/bule/yellow)
Packing
bulk ,plain box, colour box, poly bag, PP box + wood Pallet
Minimum Order
kgs for each specification
Market
South&north Amrica/Europe/East&South east Asia/ Australia and ect.
Professional
More than 15 years experience in fasteners industry
Introduce
In the world of construction projects, having the right tools and materials is crucial to achieving a high-quality outcome. One of the important components is the hex head self drilling screw, an innovative fastening solution that provides precision, efficiency and durability. In this blog, we will explore the benefits and applications of hex head self-drilling screws, explaining why they are a staple in modern construction projects.
Learn about hex head self-drilling screws
Hex head self-drilling screws, also known as Tek screws, are uniquely designed fasteners that combine the features of screws and drills. Its unique hex head allows for easy gripping and torque application. What sets them apart, however, is their drill-like tip, which consists of sharp grooves and a well-defined point. This self-drilling feature eliminates the need to pre-drill pilot holes, providing significant time-saving benefits.
Applications and advantages
1. Wide range of uses: Hexagon head self-drilling screws are widely used in various construction projects. Whether fastening metal to metal, metal to wood, or metal to other materials, these screws excel at creating precise, secure connections. They are commonly used in steel construction, roof installations, HVAC systems and electrical duct installations.
2. Efficient and time-saving: Traditional drilling fastening methods often involve multiple steps, such as drilling pilot holes and then inserting screws. With hex head self-drilling screws, the drilling and tightening processes can be combined into one step. This streamlined approach saves valuable time and increases productivity on the job site.
3. Improved Precision: Hex head self-drilling screws provide unparalleled precision when installing materials. The drill tip ensures precise positioning and minimizes the risk of misalignment. This precision translates into beautiful results and a stronger overall structure. In addition, the hex head allows controlled application of torque, ensuring optimal sealing without damaging the material.
4. Reliability and Durability: The drill-like tips of hexagonal head self-drilling screws are usually made of high-strength steel, which gives them excellent durability and mechanical strength. Additionally, their corrosion-resistant coating provides long-term protection against rust and other environmental factors. This reliability ensures the screws maintain their integrity and stay strong over time, extending the life of your construction project.
In conclusion
In summary, hex head self-drilling screws have revolutionized the way construction projects are carried out, providing a better alternative to traditional drilling and fastening methods. Their versatility, efficiency, precision and durability make them valuable assets for achieving high-quality results. By eliminating the need for pilot holes and providing an all-in-one drilling and fastening solution, hex head self-drilling screws increase productivity, save time and improve the overall performance of construction projects.
Whether you're a seasoned professional or a DIY enthusiast, incorporating hex head self-drilling screws into your toolbox will undoubtedly take your construction projects to new heights of efficiency and excellence. Take advantage of this innovative fastening solution and experience the transformative power it can bring to your next project.
Are you interested in learning more about Double Head Screw Nut? Contact us today to secure an expert consultation!
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