Stainless steel sleeve - short

A socket wrench is generally called a socket. It is composed of a plurality of sockets with hexagonal holes or twelve corner holes and is equipped with a variety of accessories such as a handle, a connector, etc., especially suitable for twisting the position is very small or depressed very deep bolts or nuts. Mainly used for nut end or bolt end is completely lower than the connected surface, and the diameter of the concave hole can not be used for open spanner or adjustable wrench and box wrench, use a socket wrench, in addition to the space limit of bolt parts, can only use a socket wrench
Although the sleeve has the same concave shape, the outer diameter and length are designed for the shape and size of the corresponding equipment, and the country has no uniform regulations, so the design of the sleeve is relatively flexible and meets the needs of the public. Socket wrenches are generally attached with a set of socket heads of various specifications and swing handles, joints, universal joints, screw joints, elbow handles, etc., used to insert hex nuts. The socket head of a socket wrench is a concave hexagonal cylinder; Wrenches are usually made of carbon structural steel or alloy structural steel, the head of the wrench has a specified hardness, and the middle and handle parts are elastic.