/ PFTE Coating Hexagon Head Nuts / A194 2H Hex. Nut In Blue Coating Standard GB /T 6170

Hexagonal nuts and screws, bolts, screws with each other's use, play a role in connecting fastening machine parts. Among them, the most widely used by the type 1 six nuts, C nuts for the surface is relatively rough, not high requirements for accuracy of the machine, equipment or structure; A and B nuts for the surface is relatively clean, high requirements for accuracy of the machine, equipment or structure. 2 hexagonal nuts with a thickness of M thicker, more often used in the need to install and remove the occasion. The thickness M of the hexagonal thin nuts is thinner and is mostly used for occasions where the surface space of the connected machine parts is restricted.