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Unconditional Satisfaction GuaranteeNo Shipping Fees Above 302 Months to Decide. Returns Simplified.The Sherline 7/64″ (.1094) 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. A drawbar threads into the collet’s backside, drawing it into the adapter, which causes the jaws to close and securely grip the part to be machined. Each collet 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 known 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 operates with optimal accuracy.
Sherline collets are logically numbered, with inch collets beginning with part number 1160 followed by two digits indicating the size in 64ths of an inch. Metric collets start with part number 1178, followed by two digits indicating the size in 0.1 mm increments. These collets are manufactured to standard WW specifications and are not hardened. It is crucial to verify compatibility with other manufacturers’ WW collets to ensure they fit the Sherline adapter.
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