Thread specifications: Metric thread, PG thread, G(PF) thread and NPT thread . Product description: The appearance of the design of precision and beauty, with the ability to maintain a high torque of the anti-loosening tight nut structure, so strong anti-pull, tightness perfect, and reduce construction time and reduce costs,  can also reduce the outlet hole occupied Space. This product encyclopedia through 1000 hours of UV resistance weather resistance experiment is waterproof and pushing function remains the same. Products are acid and alkali resistant,  corrosion resistant properties, such as chemicals and solvents can be widely used in machinery,  automatic control, connectors, electrical, network, telecom or communications, lighting and other fields. Protection Level : Within the scope of the provisions of card buckle, and use of type O sealing screw tight tight head, achieve IP68-5 bar. Color: Black, grey, blue, red, white, add letters after all sorts of color please contact with the product. For example: PA7-05 B black and so on. Fire rating: UL94V - 2. Level up to where V0 fire protection level, Material: A.C.E.F part made of nylon PA66 (fire rating UL 94 v - 2), B and D part adopts EPDM weather resistance rubber. All kinds of aperture, material of rubber can accept customization. Working temperature: - 40 ℃ ~ + 100 ℃ short time can be up to + 120 ℃. (such as product specification, ROHS declaration of all can with the request for after purchase of products) Thread Size Order No (B/G/P/N/R/W) Cable diameter ∮mm Thread diameter C1 mm Length of thread C2 mm Spanner diameter A＆F mm Pakaging pcs M M16 X 1.5 MB16-H2-04 2 ~ 4 16 10 22/22 50 MB16L-H2-04 2 ~ 4 16 15 22/22 50 M20 X 1.5 MB20S-H2-05 3 ~ 5.5 20 11 27/24 50 MB20SL-H2-06 3 ~ 6 20 15 27/24 50 MB20-H2-06 3 ~ 6 20 11 27/27 50 MB20L-H2-06 3 ~ 6 20 15 27/27 50 M25 X 1.5 MB25S-H2-06 3 ~ 6 25 11 27/33 50 MB25-H2-07 3 ~ 6 25 12 33/33 50 MB25S-H4-05 3 ~ 5.5 25 11 27/33 50 MB25-H6-05 3 ~ 5.5 25 12 33/33 50 PG PG 11 PB11-H2-04 2 ~ 4 18.6 9 24/22 50 PG 13.5 PB13.5-H2-05 3 ~ 5.5 20.4 10 27/24 50 PG 16 PB16-H2-06 3 ~ 6 22.5 10 30/27 50 G G(PF) 3/8 GB17-H2-04 2 ~ 4 16.66 10 22 / 22 50 GB17L-H2-04 2 ~ 4 16.66 10 22 / 22 50 G(PF) 1/2 GB21-H2-05 3 ~ 5.5 20.95 10 27 / 24 50 NPT NPT 3/8 NPB17-H2-04 2 ~ 4 17.05 10 22 50 NPB17L-H2-04 2 ~ 4 17.05 10 22 50 NPT 1/2 NPB21-H2-05 3~ 5.5 21.22 10.8 24 50