小雪被老外黑人撑破了视频,久久人搡人人玩人妻精品,juliaann精品艳妇,波多野结衣人妻

Keysert插銷螺套公制重型規(guī)格牌號表

Keylocking threaded insert is a kind of special fastener with external and internal thread and there are 4 or 2 keys on external thread.they are widely used for the products of high strength of screw thread, such as: airborne, ship, vehicle military electronic equipment and instruments and meters, locomotives, etc.
There are two kinds of materials for keylocking threaded inserts:carbon steel , stainless steel. The insert has Thin wall,Heavy duty,Solid,Extra heavy duty.Metric size and inch size are available.

The most basic function of keylocking threaded inserts is fixed internal thread and strengthen the external thread.The keylocking threaded inserts as a kind of a thread repair method can quickly and efficiently to repair damaged threads.When they applied in low intensity of material, they can greatly enhance the strength of the threaded hole.

AD-insert?Heavy duty- keylocking threaded inserts applicati

on information as follow (Metric)