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ABT ABS Import Tools ER 11 1/4" SPRING COLLET 3900 5148 P5284589ABT-3900-5148 https://cdnimages.opentip.com/full/ABT/ABT-3900-5148.jpg ABS Import Tools ER 11 1/4" SPRING COLLET 3900 5148 Manufacturer part number: 3900-5148ER-11 1/4\" Spring ColletMade of high grade tool steel.Hardened and precision ground.Meets or exceeds Federal specifications.Major diameter is .453\".Overall length is .709\".Collet must be placed into collet chuck nut before inserting into collet chuck.Range of collet is .236-.275. 5284589 0.0200lbs 0.00 0.00 0.00
ABS Import Tools
10.3800 2027-01-09 51 In Stock
customer review - by , December 12, 2025
5/ 5stars
This was exactly what I needed for my Genmitsu 3018 Pro cnc router in order to use end mills with a 1/4 inch shank. Worked flawlessly.

ABS Import Tools ER-11 1/4" SPRING COLLET (3900-5148)

stars Rating 5 | 1 reviews
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SKU: ABT-3900-5148
Price: $10.38
Quantity:
51 In Stock
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Product Description

Manufacturer part number: 3900-5148

  • ER-11 1/4" Spring Collet
  • Made of high grade tool steel.
  • Hardened and precision ground.
  • Meets or exceeds Federal specifications.
  • Major diameter is .453".
  • Overall length is .709".
  • Collet must be placed into collet chuck nut before inserting into collet chuck.
  • Range of collet is .236-.275.

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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By David
Date: December 07, 2025
This was exactly what I needed for my Genmitsu 3018 Pro cnc router in order to use end mills with a 1/4 inch shank. Worked flawlessly.
Rating: 5 stars [5 of 5 Stars!]
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