Amana Tool CNC High Precision Tool Holder Extension 1/2" Shank, 7-7/8" Length, 1 7/64" Dia, 1/4" ID (Industrial)

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Heat Treated Alloy Steel

ER collet chucks used for different projects and applications; save money by not purchasing extra-long tools! Choose the correct size spring collet for your bit, set the tool depth, and tighten the collet nut using the mini wrench. Have the extra reach you need at economical prices.

• 1/4" inner diameter spring collet included


• ER mini nut and spring collet included with each ER straight shank tool extension; ideal for hard to reach surfaces


• Shank to pocket runout 0.0004" (0.01mm)


• Precision ground for best Total Indicator Runout (TIR)


• Spring collets can easily be changed


• Black oxide finish for corrosion protection


• Max RPM = 10,000 for safe operation

For different inner diameter spring collets: CNC High Precision Spring Collets & CNC High Precision Spring Collet Sets