HOTLINE: 718-921-6159 Sherline 1180 – Complete WW Collet Set (Metric)

Sherline 1180 –
Complete WW Collet Set (Metric)

Collets provide a quick, easy method of
mounting cylindrical parts or bar stock in the lathe with a great
deal of centering accuracy. Each collet is actually a small,
precision 3-jaw chuck that fits into a special tapered adapter in
the headstock. A drawbar that passes through the headstock and
threads into the back side of the collet is used to draw the collet
up into the tapered adapter. The adapter causes the jaws of the
collet to close down, gripping the part to be machined.

Typically, collets provide a very accurate part mounting system, but each size collet can accommodate only a small range of diameters of approximately ±.001″ (.02mm).WW collets differ from milling collets (P/N 3060) in that they have a hole all the way through the collet and drawbar. The maximum diameter stock that can pass entirely through the collet is 3/16″ or 4.5mm. The WW collets that are larger than this diameter are sometimes referred to as “pot” chucks.

The Sherline metric WW collet set contains 77 collets sized from 0.3 mm to 8.0 mm by 0.1 mm increments plus a blank collet that can be made into any size collet by the user. It comes in a finely finished oak box with 96 holes, leaving room for other collets should you have extras or inch sizes to store.

These collets are manufactured by Sherline and are built to standard WW specifications; however, we have come across collets that are called WW and will not fit our drawbar and adapter. Be sure to check WW collets made by other manufacturers to be sure they fit our adapter before you purchase them. Sherline manufactures a slightly larger .315″ adapter and drawbar set (P/N 1163) that will accommodate some of these other brands.

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