ER8 Metric 3.4mm Collet
0.138 to .157" Range
Techniks ER8 Metric CNC Collet
Average .0002" T.I.R., Collapse range: .039", Use with PowerCOAT nut for best holding power and cutting tool life. Compatible with DR, RD, ESX, AR, &?BR series collets. All collets inspected for quality and accuracy.
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