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4/9/2009

Collet-Chuck-Style Broach Tool Holders

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The versatile collet-chuck-style broach toolholders use ER-style collets, which are said to reduce the time-consuming, three-screw method of centering a high speed steel broach in the broach toolholder. Also, an ER style collet can hold broaches with shanks of virtually any diameter within its range. For example, one holder can hold three different broach tools with varying shank diameters.

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The versatile collet-chuck-style broach toolholders use ER-style collets, which are said to reduce the time-consuming, three-screw method of centering a high speed steel broach in the broach toolholder. Also, an ER style collet can hold broaches with shanks of virtually any diameter within its range. For example, one holder can hold three different broach tools with varying shank diameters.

A built-in stop screw allows the operator to adjust for different length broaches and to compensate for different lengths on re-sharpened broaches. The collet-chuck-style broach holder also eliminates the need for centering the cutting tool to “spindle” of the broaching holder, and there are no screws to knock the cutting tool off center, the company says.

The holder can be sued for broaching various internal shaped forms, including hex, square, double hex, straight spline, involute spline, multi keyway, knurl and socket head geometries.

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