POK English catalogue (USA)

POK France - ZI Les Guignons - 10400 Nogent-sur-Seine - FRANCE Tel: +33 (0)3 25 39 84 78 - Fax: +33 (0)3 25 39 84 90 - Email: export@pok.fr - Web: www.pok.fr 307 NST-NH threads H h H/8 H/8 P 60° Ø D 1 Ø D 2 Ø D h/2 H=0,866P H h H/8 H/8 P 60° Ø D 1 Ø D 2 Ø D h/2 H=0,866P Designation Step Number of threads per inch Depth h (inches) Exterior diameters D Side diameters D 2 Nut diameters D 1 (inches) Inches P (inches) Minimum (inches) Maximum (inches) Tolerance (inches) Minimum (inches) Maximum (inches) Tolerance (inches) 3/4" 1" 1-8NH 0.125 8 0.081 1.353 1.375 0.022 1.283 1.294 0.011 1.213 1 1/4" 1 1/2" 1,5-9NH 0.111 9 0.072 1.968 1.990 0.022 1.907 1.918 0.011 1.846 2" 2-8 NH 0.125 8 0.081 2.484 2.516 0.032 2.418 2.434 0.016 2.353 2 1/2" 2,5-7,5NH 0.133 7.5 0.087 3.037 3.069 0.032 2.966 2.982 0.016 2.895 3" 3-6NH 0.167 6 0.108 3.588 3.624 0.036 3.498 3.516 0.018 3.403 3 1/2" 3,5-6NH 0.167 6 0.108 4.208 4.244 0.036 4.118 4.136 0.018 4.027 4" 4-4NH 0.250 4 0.162 4.961 5.011 0.050 4.824 4.849 0.025 4.686 4 1/2" 4,5-4NH 0.250 4 0.162 5.711 5.761 0.050 5.574 5.599 0.025 5.436 5" 5-4NH 0.250 4 0.162 6.210 6.260 0.050 6.073 6.098 0.025 5.935 6" 6-4NH 0.250 4 0.162 6.975 7.025 0.050 6.838 6.863 0.025 6.700 Designation Step Number of threads per inch Depth h (inches) Exterior diameters D Side diameters D 2 Nut diameters D 1 (inches) Inches P (inches) Minimum (inches) Maximum (inches) Tolerance (inches) Minimum (inches) Maximum (inches) Tolerance (inches) 3/4" 1" 1-8NH 0.125 8 2.062 0.081 1.247 0.022 1.306 1.317 0.011 1.387 1 1/4" 0.000 1 1/2" 1,5-9NH 0.111 9 1.833 0.072 1.880 0.022 1.930 1.941 0.011 2.002 2" 2-8 NH 0.125 8 2.062 0.081 2.400 0.032 2.449 2.465 0.016 2.563 2 1/2" 2,5-7,5NH 0.133 7.5 2.200 0.087 2.942 0.032 2.997 3.013 0.016 3.084 3" 3-6NH 0.167 6 2.750 0.108 3.458 0.036 3.531 3.549 0.018 3.639 3 1/2" 3,5-6NH 0.167 6 2.750 0.108 4.083 0.036 4.156 4.174 0.018 4.264 4" 4-4NH 0.250 4 4.124 0.162 4.761 0.050 4.874 4.899 0.025 5.036 4 1/2" 4,5-4NH 0.250 4 4.124 0.162 5.511 0.050 5.624 5.649 0.025 5.786 5" 5-4NH 0.250 4 4.124 0.162 6.010 0.050 6.123 6.148 0.025 6.285 6" 6-4NH 0.250 4 4.124 0.162 6.775 0.050 6.888 6.913 0.025 7.050 External cylindrical thread Internal cylindrical thread o r m e 2-2 I n c o m p l i a n c e w i t h n o r m NFPA 1963