Audited Supplier
Crafted with exceptional wear-resistant materials and meticulously processed through forging, heat treatment, and grinding, our slitting blades offer unparalleled accuracy and durability. These blades boast oil-resistance, heat-resistance, and acid/alkali resistance, ensuring longevity without deformation. Ideal for precise slitting, especially of thin materials and those with soft, sensitive surfaces, they guarantee superior slitting accuracy.
We proudly offer OEM services and custom solutions tailored to your technical drawings or samples, ensuring our products meet your specific needs.
Processing Precision of Slitting Blades and Knives:
Surface Roughness: ≤ 0.002mm
Flatness and Parallelism: ≤ 0.001mm
Blades Heat Treatment Hardness: Tailored to the blade material and thickness of the cutting material for optimal performance.
Heat Treatment Methods: Employing vacuum deoxidation and salt bath furnace treatments to enhance blade quality.
Materials Available for Circular Blades and Knives: We offer a wide range including SKH-9, SKD-11, LD, W6Mo5Cr4V2AL, H13K, M42, K30, ASP60 powder alloy steel, and other custom materials to suit your specific applications.
| 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: Custom and OEM/ODM services are available to accommodate your personal specifications and requirements.
Material and blade hardness are crucial to the quality and service life of the blades. We implement all possible measures from material selection to final product to ensure optimal quality. Below is the material correspondence table for your reference.
We conduct rigorous product inspections prior to packaging, ensuring every blade and knife is in pristine and secure export condition to prevent potential damage during transportation.
1. Experience reliable quality and stable performance with Qinghao blades and knives, backed by over 30 years of manufacturing expertise. Widely utilized across metal, wood, food, paper, packaging, printing, rubber, non-woven, recycling, and metallurgical industries, our blades are designed to save you both time and cost.
2. With decades of development, our professional and experienced technical team is equipped to provide you with technical support and expert solutions for any challenges in your cutting tasks.
3. Our blades and knives feature superior cutting performance, thanks to our professional heat treatment processing techniques and proprietary technology.
4. We offer OEM/ODM/customized services tailored to your unique cutting requirements and preferences, ensuring a perfect match for your needs.
1. Are you a manufacturer?
Yes, Qinghao is an ISO-9000 certified blade and knife manufacturer in Hangzhou area of Zhejiang province ,China, with more than 30 years of blade and knife manufacturing history.
2. How long has Qinghao been established?
Qinghao was established in 1990s by Mr Xuefu Rui and after more than 30 years of development,it has grown into a leading manufacturer in blade indutry with product range from single series to mutiple series and with market from home to overseas market;
3. What service does Qinghao provide?
Excep the standard blades and knives ,Qinghao also provided OEM/ODM/custom sevice according to customer's private cutting requirements and needs.
4. How to work with Qinghao?
Our sales and engineer will check with you for all the detailed blade requirements you have and confirmed with you(Technical drawings/samples will be perfect for technical discussion at the inital stage);
The confirmation of the technical details on the blade and knife, the quotation sheet is made for your reference accordingly;
Contract is confirmed and payement done,we will begin to make the production preparation and carry out the order according to contract;
The goods will be delivered to you within contracted time by sea, air or express;
There is a tracking service relating to the blade use condition in your site after the arrival of blades to you;
Qinghao factory is located in Tongxiang city, Zhejiang,China.the nearest airport is Xiaoshan International Airport ,about 1 hour by car to our factory.We can send the car to pick you up in the airport after your arrival. You are warmly welcome to visit our factory to have a business trip.
