42261-W Techniks Tool Holder ISO 40 x ER 40



42261-W Techniks ISO 40 ER collet chuck / tool holder, ISO 40 x ER 40 – 70 mm, includes Techniks slotted collet nut 46140.

04617 Techniks ER 40 Slotted Nut Wrench

04617 Techniks ER 40 slotted nut wrench, UM or RU nut type, 289mm x 90mm.

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Product Description

42261-W Techniks ISO 40 ER collet chuck / tool holder, ISO 40 x ER 40 – 70mm, with slot nut / collet nut 46140.

*Retention knob / pull stud, ER-40 collet and ER-40 wrench 04617 sold separately.

  • For Colombo spindle motors, use:
    • Techniks 13001 / 49001 retention knob (clamping by fingers) or
    • Techniks 49001-45 retention knob (clamping by balls)
  • For HSD spindle motors, use:
    • Techniks 49019 retention knob

Additional Information

Weight 3 lbs
Dimensions 7 × 4 × 4 in






Manufacturer Part Number



70mm x 63mm

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