Description

Shandong ChongDe Precision Machinery Co., Ltd specializes in research in and development, design, production and sales. The main production of high performance milling, turning, drilling and other CNC tools. Products with high precision, high speed（****0 round/min）and even more fast, high durability, high cost performance characteristics, win high praise from customers. 

Specifications

I - Material:
High quality carburizing alloy steel; *0Crmnti
Central tensile strength ***0N/mm2 Min.;
Surface hardness HRC *0+/*2(HV **0+/**0);
Hardness penetration 0.8+/*0.2mm;

Cooling AD+B type can be made by request

II - Tolerance Criteria
Dynamic balance(default): G6.3 *2,**0 rpm;
Dynamic balance(customized): G2.5 *5,**0 rpm;
Run-out tolerance: 0.**5mm Max.
Cone angle tolerance: AT3
Cone surface roughness: Ra 0.**5 Max.