Crafted from superior, wear-resistant materials and meticulously processed through forging, heat treatment, and precision grinding, our slitting blades boast unparalleled accuracy and durability. These blades are resistant to oil, heat, and acids/alkalis, ensuring they remain deformation-free over prolonged use. Specifically designed for precision slitting of thin, delicate, and soft-surfaced materials, our blades guarantee exceptional performance and reliability.
We provide comprehensive OEM services and tailor our products according to detailed technical drawings or provided samples, ensuring bespoke solutions for every need.
Processing Accuracy of Slitting Blades and Knives:
Surface Roughness: ≤ 0.002mm
Flatness and Parallelism: ≤ 0.001mm
Blade Heat Treatment Hardness: Tailored to the specific blade material and the thickness of the material being cut.
Heat Treatment Method: Utilizing advanced technologies such as vacuum deoxidation and salt bath furnace treatments.
Available Materials for Circular Blades and Knives: Our selection includes SKH-9, SKD-11, LD, W6Mo5Cr4V2AL, H13K, M42, K30, ASP60 powder alloy steel, and other customizable materials to meet your exact specifications.
Item No. |
O.D x I.D x T(mm) |
Item No. |
O.D x I.D x T(mm) |
1 |
φ95*φ55*2 |
10 |
φ240*φ120*10 |
2 |
φ105*φ32*3 |
11 |
φ260*φ120*10 |
3 |
φ105*φ52*5 |
12 |
φ280*φ160*10 |
4 |
φ120*φ60*5 |
13 |
φ300*φ180*10 |
5 |
φ160*φ80*5 |
14 |
φ320*φ200*10 |
6 |
φ200*φ100*5 |
15 |
φ330*φ200*10 |
7 |
φ210*φ100*5 |
16 |
φ360*φ220*10 |
8 |
φ220*φ100*5 |
17 |
φ380*φ240*10 |
9 |
φ220*φ120*5 |
18 |
φ400*φ260*10 |
Remark: We also provide tailored customization and OEM services to precisely meet our customers' unique requirements and needs, ensuring the perfect fit for every application.
Product manufacturing flow
Material and blade hardness are the most critical factors influencing blade quality and service life. At Zhejiang Qinghao Intelligent Machinery Co., Ltd., we employ meticulous measures to ensure unparalleled product quality, from the careful selection of materials to the final product. Below is a comprehensive material correspondence table for your reference:
At Zhejiang Qinghao Intelligent Machinery Co., Ltd., we adhere to rigorous inspection standards before packaging. Our dedicated team ensures that every Customized Circular Blade for Metal Cutting is meticulously examined. We guarantee that each blade and knife is securely placed in brand-new, safe export packaging, effectively preventing any potential damage during transit.
Why choose Qinghao blades and knives?
Qinghao blades and knives are renowned for their exceptional quality and consistent performance. Boasting over 30 years of extensive manufacturing experience across various industrial blades and knives, our products are extensively utilized in sectors such as metal, wood, food, paper, packaging, printing, rubber, non-woven materials, recycling, and metallurgical industries. Utilizing Qinghao blades and knives not only enhances efficiency but also significantly reduces both costs and time.
With decades of growth and innovation, we have built a professional and experienced technical team capable of providing comprehensive technical support and tailored solutions for any challenges you may encounter in your cutting operations.
Our specialized heat treatment processing techniques, coupled with our proprietary patented technology, guarantee that our blades and knives deliver superior cutting performance.
We offer OEM, ODM, and customized services to meet your unique cutting requirements and specifications, ensuring that your individual needs are thoroughly addressed.
1. Are you a manufacturer?
Yes, Qinghao is an ISO-9000 certified blade and knife manufacturer situated in the picturesque Hangzhou area of Zhejiang province, China. With an illustrious history spanning over 30 years, we have mastered the art and science of blade and knife manufacturing.
2. How long has Qinghao been established?
Founded in the 1990s by the visionary Mr. Xuefu Rui, Qinghao has flourished over the past 30 years. From its humble beginnings, it has evolved into a premier manufacturer in the blade industry, offering a diverse range of products that cater to both domestic and international markets.
3. What services does Qinghao provide?
In addition to offering premium standard blades and knives, Qinghao excels in providing OEM, ODM, and customized services tailored to meet the unique cutting requirements and needs of our customers.
4. How does one work with Qinghao?
Our dedicated sales and engineering teams will collaborate closely with you to understand and confirm all your detailed blade requirements. Technical drawings or samples are highly recommended for initial discussions.
Once the technical details are mutually agreed upon, a comprehensive quotation sheet will be provided for your reference.
Upon confirmation of the contract and receipt of payment, we will commence production preparation and execute the order as per the agreement.
Goods will be meticulously delivered to you within the contracted timeframe via sea, air, or express shipping.
We offer a tracking service to monitor the blade's performance at your site after delivery, ensuring your complete satisfaction.
5. How can I arrange a factory visit?
Our state-of-the-art factory is located in Tongxiang city, Zhejiang, China. The nearest airport is Xiaoshan International Airport, approximately a one-hour drive. We are pleased to offer airport pickup services upon your arrival. We warmly welcome you to visit our factory for an insightful business trip.