Basic Info.
Model NO.
Carbon Steel, Alloy Steel
Connection
Common Bolt
Head Style
Hexagonal
Standard
DIN, ANSI, GB, JIS, BSW, GOST
Grade
8.8, 10.9, 12.9
Application
Machinery, Chemical Industry, Building
Finish
Primary Color, Black, Silver, Galvanized, Hot DIP
Which Port
Qingdao, Shandong Province, China
Main Production
SGS, TUV, ISO9001, ISO14001, ISO45001
Production
Heat Treatment
Use with
Hex Nut
Delivery
Within 30days
Transport Package
Export Packing in Wooden Cases
Specification
M16-M55
Trademark
Jinan ZenTi
Origin
Jinan, China
HS Code
7318159001
Production Capacity
40, 000 Tons / Year
Product Description

General Information | |
Product Name | High-Strength Bolts |
HS Code | 7318159001 |
Size Range | Length: 100-600mm, Diameter: 16-55mm |
Standard | DIN, ANSI, GB, JIS, BSW, GOST |
Grade | 8.8, 9.8, 10.9, 12.9 |
Packaging | Bundles, Paper Boxs, Containers |
For more product categories not shown below, please contact us. We accept customization.
M18*145 | M18*155 | ||
M20*160 | M20*165 | M20*170 | |
M22*160 | M22*165 | M22*170 | M22*175 |
M22*180 | M22*190 | M22*220 | |
M24*165 | M24*185 | M24*200 | M24*230 |
M24*240 | M24*250 | M24*260 | M24*280 |
M27*180 | M27*185 | M27*200 | M27*210 |
M27*260 | M27*270 | M27*280 | M27*290 |
M27*300 | M27*310 | M27*320 | |
M30*260 | M30*280 | M30*290 | M30*300 |
M30*310 | M30*320 | M30*340 | M30*350 |
M30*360 | M30*380 | M30*390 | M30*400 |
M33*270 | M33*320 | M33*330 | M33*345 |
M33*360 | M33*370 | M33*380 | M33*390 |
M33*400 | M33*410 | ||
M36*150 | M36*310 | M36*330 | M36*345 |





About Us:
Jinan ZenTi Heavy Industry Co., Ltd., a high-tech heavy industry company, was established in 2010 with registered capital of 100 million (RMB). We have two plants, with an annual production capacity of 110,000 tons and more than 150 employees. Our company is a globally engaged forging industry company. In addition, we have participated in many mining exhibitions held in Dubai, Las Vegas, Santiago (Chile), Peru, showcasing our products and technologies. To ensure global product supply and support, we have opened an office in Santiago, Chile, and established multiple distributors worldwide. Our company has occupied the certification of TUV, ISO 9001, ISO 14001 and ISO 45001, and our products have passed the SGS Test.
We are not only a leading manufacturer of fasteners and grinding media, but a technology developer, focusing on R&D investment and industry upgrades.






1.Raw Materials Test→2.Raw Materials Prepare→3.Electric Furnace Heating→4.Forging / Hot Rolling→5.Isothermal Process→6.Quenching→7.Natural Cooling→8.Tempering→9.Products Quality Test→10.Packaging and Storage


We always place the greatest emphasis on product quality to ensure that our customers receive the best possible product experience. That's why we have developed an efficient and integrated risk control system to ensure that all products are of the highest quality and meet all safety standards. We strive to produce only the best products and services, and we keep up to date with the latest technological advances to ensure that our products are of the highest quality. Our risk control system includes rigorous testing throughout the production process, ensuring that all products meet the highest standards of quality before they reach our customers.


We have rich experience in foreign trade, mature docking team, and many enterprises at home and abroad have had cooperation and harvest their praise.
If you are interested in our products, please contact us whenever.









Q1: What is the advantage of your company?
A: We are a professional grinding media and fasteners manufacturer, which has 15 years of production experience.
We also have seven advanced capable production lines.
Q2. In which countries are your products sold?
A: Our products are exported to over 40 countries and regions including Chile, Guyana, Bolivia, Argentina, USA, Australia, the Republic of Korea, Japan, Indonesia, Malaysia, Mongolia, Canada, and South Africa, etc., well and universally received by clients. In order to better serve customers, we have set up an office in Chile and Mongolia.
Q3: Are you a trading company or manufacturer?
A: We are a manufacturer with two plants.
Q4: How long is your delivery time?
A: Generally it is 3-8 days if the goods are in stock. Or it is 10-20 days if the goods are not in stock,
It is according to quantity.
Q5: Do you provide samples? Is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q6: What are your terms of payment?
A: Payment<=1,500 USD, 100% in advance. Payment>=1,000 USD, 30% T/T in advance,
Balance before shipment.
If you have another question, pls feel free to contact us as below:
Anthony Cao/Manager or Kenny Li/Director
Jinan ZenTi Heavy Industry Co., Ltd