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Filter Tool Holders by Collet Type

ER32
ER40
SYOZ25
Tornado Dust Extraction Nut

Replacement collet nut for common toolholders. Most common type is a coated collet nut. Coated collet nuts reduce friction and allow for greater tightening forces. Bearing nuts have even less friction to allow for even higher tightening forces. Wrenches sold separately.

Machine Types
CNC Router

PartDRotationb1b2Dsb3ColletWrench
PRC-490.ER3292mmRHM40 x 1.5mm42mm70mm6mmER32PRC-510.ER32T
PRC-490.ER4092mmRHM50 x 1.5mm42mm70mm6mmER40PRC-510.ER40T
PRC-490.SYOZ2592mmRHM48 x 2mm42mm70mm6mmSYOZ25PRC-510.SYOZ25