Sherline 4.3mm (.1693) WW Collet

Sherline Machining ToolsSKU: RB-She-669
Manufacturer #: 117843

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Sale price ¥4,122

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Description

  • Sherline 4.3mm (.1693) WW Collet
  • Ensures high centering accuracy
  • Allows stock to pass through up to 3/16"
  • Features maximum runout of .002" or less
  • Compatible with standard WW specifications
  • Offers customizable sizes upon request

The Sherline 4.3mm (.1693) 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 mechanism involves a drawbar threading through the headstock and into the collet's backside, drawing it into the adapter and causing the jaws to close and securely grip the part for machining.

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

Sherline 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 available in both inch and metric sizes, with the metric collets beginning with part number 1178. It is crucial to verify compatibility with other manufacturers' WW collets to ensure they fit the Sherline adapter. Special sizes and larger "pot" chucks can be ordered if needed.

  • 1x Sherline 4.3mm (.1693) WW Collet
  • 4.3 mm (0.1693")
  • Maximum runout of .002″ or less
  • Maximum diameter stock that can pass entirely through the collet is 3/16″ or 4.5mm
  • Collet sizes above 3/16″ (4.5mm) 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
  • Not hardened

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