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Blind Bolt Mandrels

Mandrels are available in various lengths to accommodate grip ranges of material thickness. Hi-Shear® Blind Bolt and Hi-Shear® Blind Nut assembly tooling consists of a power unit and driving tool (gun). Over time, wear in the nose assembly requires replacement of the anvil chuck or mandrel involved in installing the various blind bolts or blind nuts. Commonly referred to as 'Blind Bolt Mandrels', the mandrels are the most frequently replaced items. A wide assortment of mandrels are available from MRO Tools.

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Mandrels are available in various lengths to accommodate grip ranges of material thickness. Hi-Shear Blind Bolt and Hi-Shear Blind Nut assembly tooling consists of a power unit and driving tool (gun). Over time, wear in the nose assembly requires replacement of the anvil chuck or mandrel involved in installing the various blind bolts or blind nuts. Commonly referred to as 'Blind Bolt Mandrels', the mandrels are the most frequently replaced items. A wide assortment of mandrels are available from MRO Tools.

Mandrels or arbors are tool components that are used to grip or clamp the material being machined or other moving tool components. Some mandrels are shaped bars of metal that are placed inside or next to the workpiece to be machined. These arbors are used to bend the exhaust pipes for automobiles and in the production of molten glass, metal rings, threaded rods, and furniture legs. Other mandrels are clamps that are used by lathes to hold materials during turning operations.

There are several types of arbors for lathes. Expanding mandrels are slightly tapered and have an expandable wedge for holding the workpiece. Lathes also use mandrels that are set in the center and turned with lathe dogs. In addition to lathes, arbors are used to hold buffing wheels, circular saws, and sanding discs. Typically, these mandrels consist of a cylinder that is threaded on one end. There are many different types of mandrels for specialized applications. Examples include live chuck mandrels, live bull ring mandrels, and dead bull ring mandrels.

Mandrels are also used in industrial composite fabrication such as in filament winding. During the manufacturing process, resin-impregnated filaments are wound around a mandrel to create a composite material structure or part. The structure is cured and the mandrel is removed. One problem with this type of process is that the mandrel can be very difficult to remove once the part has been cured. As a result, engineers have created a new type of mandrel that has the ability to change shape and be easily extracted. When heated above a certain temperature, the mandrel becomes elastic and can be manipulated into the desired shape and then cooled to become rigid again in the new shape. It can then be used in the filament winding process. Once the composite part is cured, the mandrel can be reheated until elastic and easily removed from the cured part. These types of mandrels can be used repeatedly.

Mandrels are available in various lengths to accommodate grip ranges of material thickness. Hi-Shear Blind Bolt and Hi-Shear Blind Nut assembly tooling consists of a power unit and driving tool (gun). Over time, wear in the nose assembly requires replacement of the anvil chuck or mandrel involved in installing the various blind bolts or blind nuts. Commonly referred to as 'Blind Bolt Mandrels', the mandrels are the most frequently replaced items. A wide assortment of mandrels are available from MRO Tools.