Sherline 2.7mm (.1063) WW Collet

Sherline Machining ToolsSKU: RB-She-658
Manufacturer #: 117827

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Description

  • Sherline 2.7mm (.1063) WW Collet
  • Offers precise centering for lathes
  • Functions as a precision 3-jaw chuck
  • Allows stock up to 3/16" diameter
  • Ensures maximum runout of .002" or less
  • Manufactured to standard WW specs

The Sherline 2.7mm (.1063) WW Collet offers a precise and efficient method for mounting cylindrical parts or bar stock in a lathe, ensuring high centering accuracy. This collet functions as a small, precision 3-jaw chuck that fits into a specially designed tapered adapter within the headstock. The drawbar, threading through the headstock and into the collet's backside, draws the collet into the adapter, causing the jaws to close and securely grip the part to be machined. Each collet size accommodates a limited range of diameters, approximately ±.001″ (.02mm), providing an accurate part mounting system.

WW collets are distinct from milling collets due to their through-hole design, allowing stock with a maximum diameter of 3/16″ or 4.5mm to pass entirely through. Collets larger than this diameter are referred to as "pot" chucks and are not bored through, being only .260″ deep. The collet's maximum runout is .002″ or less, and when the WW collet adapter is properly trued, it ensures optimal runout performance.

Sherline collets are logically numbered, with metric collets beginning with part number 1178 followed by two digits indicating the 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. They are not hardened and are specifically designed to fit Sherline's adapter and drawbar. It is advisable to verify compatibility with WW collets from other manufacturers before purchase.

  • 1x Sherline 2.7mm (.1063) WW Collet
  • 2.7 mm (0.1063")
  • Maximum runout of .002 inches or less
  • Collet sizes above 3/16 inches (4.5 mm) are considered pot chucks and are not bored through
  • Bored to a depth of .260 inches
  • Shank diameter of .312 to .313 inches
  • .275-40 thread
  • Manufactured to standard WW specifications
  • Not hardened

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