Carbon Steel and HSS Circular Blade Product Description Carbon Steel and HSS Circular Blade is used to cut paper and rubber,etc. It can be made of 9CrSi, D2,HSS ,etc. The hardness can be reached 55-64 HRC . Tolerance of Outside Diameter: -0.05-+0.05mm Tolerance of Inside Diameter:0-0.05mm Tolerance of Thickness: -0.05mm-+0.05mm Packaging & Shipping Our products will be packed in wooden boxes, high quality paper cases or foam cases.To ensure the safety of the blades, careful packaging is necessry. The cargo can be sent by ship, air or international express. Our Services We promise the best products, and there is anything wrong with the blades, instant negotiation and solution is provided. Efficient and instant after-sale service. We promise that any products with quality problems can be full returned. Company Information Ma'anshan Henglida Machine Blade Co., Ltd is one of the biggest machine blades and bending tools manufacturers in China. Over ten years's development, the company has ten modern factories and hundreds of advanced equipments, with diligent work and specialized manufacturing process, about two thousands of products are accessible. We have cooperation with many trading companies and end-customers in Euorpe, America, the Middle East, the South Asia, Australia, India and many other countries for several years.