1. 若是左旋螺纹,轴承型号和螺纹标记需加“L”和“左”。例如:PHS8 M8左-6H
For Left-hand thread suffix“L”is added to bearings number and thread sign e.g. PHS8 M8L-6H
2. 外滑动面镶有青铜衬垫
The surface of spherical plain with a bronze line
3. 杆端体表面镀锌或镀彩,有润滑有孔或油杯
To plate zine on the surface of rod body,the housing with a lubrication holer or a grease nipple
