D: Plastics screw thread (as per sample).
D：塑料丝扣(见样品)。
Side view of wing screw with adjustable thread length.
螺纹长度可调整的翼形螺钉的侧面图。
The holding ring and the secondary holing ring are connected through a screw thread.
扣押环与二次扣押环通过螺纹连接。
Top view of square head set screw. Selection box represents thread diameter.
方头螺钉的俯视图。选择框代表螺纹直径。
Side view of Roundhead screw with adjustable thread length.
螺纹长度可调整的圆头螺钉的侧面图。
Side view of Roundhead screw with adjustable thread length.
螺纹长度可调整的圆头螺钉的侧面图。
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