Air Compressor Oil Level Gauge Sight Glass Threads

Descriptions: The main body is made of aluminum, which is not easy to wear and burst compares to plastic material. The outside diameter of the oil level sight glasses with recessed hex design. Male thread with an O-ring on the periphery, easy to install and well sealed the oil. With high heat resistance and strong bending strength tempered glass, can work in high temperature environment. Tempered glass is clear and transparent, the oil level can be read easily and correctly in the middle by the sight glass, helping to judge the condition from the outside. Used widely to check the oil level of the pump in CNC, air compressor, hydraulic machine, speed reducer etc. NOTE: Please check the thread type and size carefully before ordering. Specification:Material: Aluminum, Tempered GlassThread Size: M16x1.5mmHex Width: 21mm / 0.83"Total Height: 15mm / 0.59" Package Include:5 x Oil Level Sight Glass