5/8"" DRILL CHUCK AND KEY for CH16, CH18, CH30



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Borum Drill Chucks offer precision and mechanical advantage for tightening and loosening drill bits and tooling. This 1/32" - 5/8" JT3 Taper Drill Chuck has knurled grips and a chuck key included. Arbor hole tapers from .80 inches at the opening (bottom of chuck) to .78 inches 1/2" down into the arbor hole. This gives a good fit profile for getting the correct chuck for your drill press. This durable Borum keyed chuck is a direct replacement chuck for Borum Drill Presses. With hardened jaws for a sure grip on bits, these chucks lock and unlock with a standard k-32 key. 


  • Jaws centre-ground for straightness and alignment.
  • Hardened teeth nose and keyholes
  • Smooth sleeve with locking collar.


  • Maximum Capacity: 16mm
  • Minimum Capacity: 3mm
  • Mount: JT3
  • Sleeve Outer Diameter: 58mm



Barcode # 9332105022559

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