Guide Spindle and Drill Bit Kit 3/8"

Model # 08131

Create 3/8" mortise joints with your 08100 Zip Slot™ Mortise Mill using this kit. The kit includes 3/8" mortising bit, stop collar with adjustment hex key and 3/8" guide spindle. (Not For Use With The 08200 Pocket Mortise Mill). (Note: A 3/8" Kit comes standard with the Zip Slot Mortise Mill)


WARNING - Cancer and reproductive harm. For more information please click: JessEm Prop65 Warnings or

  • 3/8" bore carbon nitride hardened guide bushing pressed on a R-12 double sealed bearing
  • 3/8" low helix, negative shear, 3 degree rake, flat ground mortising bit
  • 3/8" bore stop collar with set screw and hex key
Note: This is a replacement kit for the Zip Slot™ Mortise Mill. The Zip Slot™ comes with a 3/8" kit standard.


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Dear JessEm Customers

JessEm Tool has seen unprecedented growth in the last two years. We are in the process of transitioning into a much larger facility so we can continue to provide you with high quality Canadian made products. We will continue to ship product as much as we can during this transition. As we continue to feel the effects of Covid 19 on our supply chains, along with the increased demand for our products, we have seen considerable delays with our shipping times. We understand these delays are not ideal but we continue to have the best interest of our distributors and customers in mind as we transition to the new facility.