| Material | SUS420J,SUM24,S45,40Cr,SUM420,SUM440SUS201,303,304,316,416 |
| Roundness | 0.0003mm |
| Cylinderness | 0.0005mm |
| Roughness | Ry0.4 |
| Gear/Worm Precision | Grade 7 |
| Position | 0.03mm |
| Heat treatment | point hardening ( cementite, oxidation, high frequency ), quench hardening |
Specifications
1.Diameter:3mm-500mm
2.Precision:g6
3.Material:S45C, Gcr15 and so on
4.Induction hard and chrome plated
5.hardness HRC58-64
2.Precision:g6
3.Material:S45C, Gcr15 and so on
4.Induction hard and chrome plated
5.hardness HRC58-64
steel stepped shaft
After-sales service:
We will check the goods quality before shipment. If there are some unexpected problems happen, we hope to solve the problems with buyer through friendly in the following ways:
1 If it is quality problem, buyer can submit argue within 15days after receiving the goods, buyer must provide photos or video and other evidence to seller for identify.
2 Man-made damaged, buyers take full responsibility.
3 Product quality processing program:
1) The buyer return the goods to us and responsible for return shipping costs; after we receive the goods ,we will send a new product to buyer and pay for the resend shipping cost.
2) If the goods (total price including shipping is less than 10USD) has quality problems, we will resend a new product in buyer next order; if buyer don't plan to make a new order in the near term, buyer can pay the resend shipping cost and ask to resend a new product.
