Material: JIS – SCM420(After heat treatment, it has rigid hardness and toughness, better grinding quality, good flexibility and longer using life span)
HRC: 56° – 58°; Accuracy of deviation:below 5μ (4D length)
Taper tolerance: <at3; carbon=”” depth:=”” 0.8mm±0.2mm<br=””>Max run out: <0.005mm
Surface roughness: Ra<0.005mm
Balance: G6.3 or G2.5.
The tool holder is through-hole, which is better for water to get through and anti-vibrant.
The nut has preinstalled Dynamic balancing design, so it can be used for RPM10,000.</at3;>

Payment and Delivery

1.Payment:

You could place an order via Alibaba trade assuarence or pay via T/T;

2.Packing:

Packing with carton box,we also can pack according to your requirement.
3.Delievy time:

Sample within 7 days,and others within 35 days.