Thread specifications: Metric thread, PG thread, G(PF) thread and NPT thread . Length of thread： Short thread hole is suitable for thin boards or with internal thread device, long thread is suitable for thick plate type machine. (NPT without nut part A) Product description: This product is added to the spiral torsion resistant mechanism, this important safety feature, most suitable for manual or mobile devices in order to avoid excessive distortion and damage to the cable.  Cooperate to maintain high torque forced locking nut tight structure, is the pull is strong, air tightness,  perfect products are acid and alkali resistant, chemical and general characteristics of the solvent is widely used in electronics, electrical, communications,  automation equipment and detect the induction instruments such as the outlet hole, provide waterproof and fixed tensile, bending the best products. 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-P-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 M12 X 1.5 MA12-P-05 3 ~ 5.3 12 9 18 / 19 10 MA12-P-08 4.5 ~ 7.8 12 9 18 / 19 10 M16 X 1.5 MA16-P-06 4 ~ 7 16 15 22 / 22 10 MA16-P-08 5~ 8 16 15 22 / 22 10 MA16-P-10 6 ~ 10 16 15 22 / 22 10 M20 X 1.5 MA20S-P-08 5 ~ 9 20 15 24 / 24 10 MA20-P-10 7 ~ 11 20 15 27 / 27 10 MA20S-P-11 7 ~ 11.5 20 15 24 / 24 10 MA20S-P-12 7~ 12 20 10.5 27 / 24 20 MA20-P-14 9 ~ 14 20 15 27 / 27 10 M25 X 1.5 MA25-P-16 12 ~ 16 25 15 33 / 33 10 PG PG 7 PA7-P-05 3 ~ 5.3 12.5 8.5 17 / 19 10 PA7-P-08 4.5 ~ 8 12.5 8.5 17 / 19 10 PG 9 PA9-P-05 3~ 5.3 15.2 9 22 / 19 10 PA9-P-08 4.5 ~ 7.8 15.2 9 22 / 19 10 PA9L-P-09 5 ~ 9 15.2 10 22 / 22 10 PG 11 PA11-P-06 4 ~ 7 18.6 10 24 / 22 10 PA11-P-10 6 ~ 10 18.6 10 24 / 22 10 PA11L-P-12 8 ~ 12 18.6 10 24 / 24 10 PG 13.5 PA13.5-P-08 5~ 9 20.4 10 27 / 24 10 PA13.5-P-11 7 ~11.5 20.4 10 27 / 24 10 PA13.5L-P-13 10 ~ 13 20.4 10 27 / 27 10 PG 16 PA16-P-10 7 ~ 11 22.5 11 30 / 27 10 PA16-P-13 8 ~ 13 22.5 11 30 / 27 10 PA16L-P-15 11 ~ 15 22.5 10 30 / 33 10 PG 21 PA21-P-16 12 ~ 16 28.3 13 36 / 33 10 G  (PF) 1/4 GA13-P-05 3 ~5.3 13.15 9 19 / 19 10 GA13-P-08 4.5 ~ 7.8 13.15 9 19 / 19 10 3/8 GA17-P-06 4 ~7 16.66 10 22 / 22 10 GA17-P-10 6 ~ 10 16.66 10 22 / 22 10 1/2 GA21S-P-06 4 ~ 7 20.96 10 27 / 22 10 GA21M-P-08 5 ~ 9 20.96 10 27 / 24 10 GA21S-P-10 6 ~10 20.96 10 27 / 22 10 GA21L-P-10 7 ~ 11 20.96 10 27 / 27 10 GA21M-P-11 7 ~ 11 20.96 10 27 / 24 10 GA21L-P-13 8~ 13 20.96 10 27 / 27 10 GA21LL-P-15 11 ~ 15 20.96 10 30 / 33 10 3/4 GA26S-P-10 7 ~ 11 26.44 12 33 / 27 10 GA26S-P-13 8 ~13 26.44 12 33 / 27 10 GA26-P-16 12 ~ 16 26.44 12.5 33 / 33 10 1 GA33S-P-16 12~ 16 33.25 12 42 / 33 10 NPT NPT 3/8 NA17-P-06 4~ 7 17.05 13 22 10 NA17-P-10 6 ~ 10 17.05 13 22 10 NPT 1/2 NA21-P-10 7 ~ 11 21.22 13 27 10 NA21-P-13 8 ~ 13 21.22 13 27 10 NPT 3/4 NA26-P-16 12 ~ 16 26.57 15 33 10