Sherline 1.2mm (.0472) WW Collet

Sherline Machining ToolsSKU: RB-She-643
Manufacturer #: 117812

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Sale price ¥7,955

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Description

  • Sherline 1.2mm (.0472) WW Collet
  • Provides efficient mounting in lathe
  • Ensures high centering accuracy
  • Accommodates up to 4.5mm diameter
  • Manufactured to WW standards
  • Collet sizes from 1/64” to 5/16”

The Sherline 1.2mm (.0472) WW Collet provides an efficient and precise method for mounting cylindrical parts or bar stock in a lathe. 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. This system ensures high centering accuracy, accommodating a small range of diameters with precision.

WW collets are distinct from milling collets due to their design, which includes a hole through both the collet and drawbar, 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 accuracy is notable, with a maximum runout of .002″ or less, provided the WW collet adapter is trued as per instructions.

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 crucial to verify compatibility with other manufacturers' WW collets to ensure they fit the Sherline adapter.

  • 1x Sherline 1.2mm (.0472) WW Collet
  • 1.2 mm (0.0472")
  • Maximum runout of .002 inches or less
  • Collet sizes above 3/16 inches (4.5 mm) 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
  • Available in inch sizes by 64ths of an inch from 1/64 to 5/16 inches
  • Metric sizes from .3 mm to 8.0 mm in .1 mm increments

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