Precise ER-20 3/8" Coolant Spring Collet, Range .354 to .393" - 3900-5589 Designed for use with cylindrical shank tools, not flats. Cutting tool should be inserted the full length of the collet. If these conditions are not met, coolant leakage may result.
Precise ER-20 3/8″ Coolant Spring Collet, Range .354 to .393″ – 3900-5589
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