It is very convenient to use such a stepped round bar for mechanical design at a low price, which increases the degree of freedom of design. Because it is 0.1 mm pitch, I think that it is highly valuable as a shaft material. Applications that can be processed additionally by non-heat treatment, such as those that can be used with high strength and high hardness that have been heat treated, will be used separately.
I bought it as a knock pin and caulking pin for connecting two spur gears with three points on the hole basis but the schedule of 4.1 mm was 4.6 mm and it was an order failure.
From Japan
On 2016-05-03 18:58:56
Although it is normal as a product, there is no problem, but due to order failure, I will order another 4.1 mm product together with other parts.