Our products are used to create multifunctional cold heading machine, the process is as follows: 1, check the size after forming, the appearance of eligibility. 2, tapping was measured through regulations, tooth pattern is qualified. 3, de-oiling after checking appearance. 4, packaging and shipping. Our factory is a professional production of hex cap manufacturers, product quality and price competitive. Stainless steel, iron and copper have production, welcome to order! Hexagon DIN439 M1.6X0.35 3.08-3.2 0.75-1.0 M1.8X0.35 3.38-3.5 0.85-1.1 M2X0.4 3.82-4.0 0.95-1.2 M2.5X0.45 4.82-5.0 1.35-1.6 M3X0.5 5.32- 5.5 1.55-1.8 M3.5X0.6 5.82-6.0 1.75-2.0 M4X0.7 6.78-7.0 1.95-2.2 M5X0.8 7.78-8.0 2.45-2.7 M6X1.0 9.78-10.0 2.9-3.2 M8X1.25 12.73-13.0 3.7- 4.0 M10X1.5 16.73-17.0 4.7-5.0 M12X1.75 18.67-19.0 5.7-6.0 M14X2.0 21.67-22.0 6.42-7.0 M16X2.0 23.67-24.0 7.42-8.0