stainless steel shafts with heat treatment , diameter of 12mm + / - 0.005mm
CNC turning
| the workable length | 5 - 1000 mm |
| the workable diameter | 5 - 500 mm |
| the tolerance | 0.001 mm |
| the operation system of the machines | Jieyongda |
| R & D engineering team design the technical drawings | STP , IGS , PRT , AUTOCAD , PDF ...... |
| 2D dimensions inspection | caliper,micrometer,altitude instrument,run-out instrument,roughness instrument....... |
QC ( inspection everywhere ) :
- Firstly , check the raw material before massive production ;
- During production , technicians self - check and Engineer spot check to assure the good quality .
- QC inspect after products finished
- Before package , we will choose the best way to avoid the unecessary damages during transportation .
- Salesmen who were trained the technical know - how spot check before shipping .
Payment : T / T , West Union , 50 % in advance ,50% before shipment
Chemical composition :
| Grade | Standard | C | Si | Mn | P | S | Cr | Ni | Cu | Nb |
| 630 | ASTM A564 | ≤0.07 | ≤1.0 | ≤1.00 | ≤0.04 | ≤0.03 | 15.0~17.0 | 3.0~5.0 | 3.0~5.0 | 0.15~0.45 |
Key Specifications / Special Features :
- Material : Aluminum , other material can be customized .
- Finishing : plain
- Heat-treatment : none
- MOQ : 5 , 000 pieces
- Package : individual packing, PE bag , carton or at your opinion
- The professional precision fasteners manufacturer , our parts are being sold in all over the world
- Material : Medium carbon steel , low carbon steel , alloy steel , stainless steel
- Process : Forging , Turning , CNC milling , grinding , punching , heat treatment , finish grinding
- Heat treatment : Quenching , Case Hardening , Carburizing , Nit riding
- Surface treatment : Zinc plating , Nigrescence , Chrome plating , Nickel plating and more
- High precision , perfect runout
- Perfect packing with paper tube
- OEM welcome , small orders are acceptable
- Components , automotive parts , as well as the customer - made ba
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