116001-116020/117803-117880 WW Collets

WW Collets, P/N 116001-116020 (inch) and P/N 117803-117880 (metric)

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SKU: 116001-116020/ 117803-117880 Categories: , ,

Product Description

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, although collets are available up to 5/16 and 8.0 mm. The WW collets that are larger than the through-hole diameter are sometimes referred to as “pot” chucks.

Sherline collets are numbered logically:

  • Inch collets all begin with part number 1160 followed by two digits which indicate the size in 64ths of an inch. For example, a 13/64″ collet would be P/N 116013 and a 1/4″ collet (16/64″) would be P/N 116016.
  • Metric collets all begin with part number 1178 followed by two digits indicating the size in 0.1 mm increments. For example, P/N 117813 is 1.3 mm.

These collets are not hardened. They are manufactured by Sherline and are built to standard WW specifications; however, we have come across collets that are called “WW” but will not fit our drawbar and adapter. Sherline collets have a shank diameter of .312-.313 and a .275-40 thread. 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 of 8 mm collets.

Sherline WW collets are available in inch sizes by 64ths of an inch from 1/64″ to 5/16″. Metric sizes go from .3 mm to 8.0 mm by .1 mm increments. See the drop-down menu below for sizes and part numbers. Special sizes up to .320″ can be special ordered with approximately a 3-week wait. A blank collet is also available as is a collet with a 1″ blank end. Larger collet “pot” chucks are listed separately.

Other Purchasing Options:

3060/3090 Milling Collet Set

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The improper use of machine tools and their accessories can result in serious injury. Before using this tool, thoroughly read the instructions and make sure you understand its proper and safe use.

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Always wear safety glasses when operating machine tools.


Download PDF 1160 Instructions

Instructions PDF Download

P/N SIZE WEIGHT PRICE
116000 WW Collet Blank, Large Head .05 lb. $11.75
1160001 WW Collet Blank, Small Head .05 lb. $11.75
Inch WW Collets
(last two numbers indicate size in 64ths of an inch)
116001 1/64″ (.0156″) WW Collet .05 lb. $42.00
116002 1/32″ (.0313″) WW Collet .05 lb. $33.75
116003 3/64″ (.0469″) WW Collet .05 lb. $22.25
116004 to 116020 1/16″ (.0625″) WW Collet to 5/16″ (.3125″) WW Collets. .05 lb. $18.00 each
Metric WW Collets
(last two numbers indicate size in 0.1 mm increments)
117803 through 117808 0.3 mm through 0.8 mm .05 lb. $42.00 each
117809 through 117814 0.9 mm through 1.4 mm .05 lb. $33.75 each
117815 through 117880 1.5 mm through 8.0 mm .05 lb. $18.00 each