Sherline 5.8mm (.2284) WW Collet

Sherline Machining ToolsSKU: RB-She-685
Manufacturer #: 117858

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Sale price ¥4,122

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Description

  • Sherline 5.8mm (.2284) WW Collet
  • Ensures precision with .002" max runout
  • Fits 3/16" stock via through-hole design
  • Offers sizes from .3mm to 8.0mm
  • Features standard WW spec shank diameter
  • Securely mounts with precision grip

The Sherline 5.8mm (.2284) WW Collet offers a precise and efficient solution for mounting cylindrical parts or bar stock in a lathe. This collet functions as a small, precision 3-jaw chuck, fitting seamlessly into a specially designed tapered adapter within the headstock. The mechanism involves a drawbar threading through the headstock to engage the collet, which then closes its jaws to securely grip the workpiece. This system ensures high centering accuracy, although each collet size accommodates only a narrow range of diameters.

Distinct from milling collets, WW collets feature a through-hole design, allowing stock with a maximum diameter of 3/16" or 4.5mm to pass completely through. Larger collets, known as "pot" chucks, are available for diameters exceeding this limit, though they are not bored through and are only bored to a depth of .260". The collet's runout is minimal, with a maximum of .002" or less, ensuring precision in machining tasks. Proper truing of the WW collet adapter is recommended to achieve optimal runout performance.

Sherline collets are logically numbered, with metric collets beginning with part number 1178, followed by digits indicating size in 0.1 mm increments. These collets are manufactured to standard WW specifications, with a shank diameter of .312-.313 and a .275-40 thread. It is advisable to verify compatibility with other manufacturers' WW collets to ensure they fit the Sherline adapter. The collets are available in various sizes, with special orders possible for unique requirements.

  • 1x Sherline 5.8mm (.2284) WW Collet
  • 5.8 mm (0.2284")
  • Maximum runout of .002″ or less
  • Maximum diameter stock that can pass entirely through the collet is 3/16″ or 4.5 mm
  • Collet sizes above 3/16″ (4.5 mm) are not bored through and are only bored .260″ deep
  • Shank diameter of .312-.313 with a .275-40 thread
  • Manufactured to standard WW specifications
  • Available in metric sizes from .3 mm to 8.0 mm in .1 mm increments

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