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brand logo Mortising Attachment Kit

SKU: H7789
MPN: H7789
Showroom Pickup
This Mortising Attachment Kit, with its variety of interchangeable bushings, will fit just about any drill press for boring precision mortises. The entire kit includes cast iron chisel holder and fence, hold down assembly, quill alignment pin, 1/4", 5/16", 3/8" and 1/2" chisels, 3 two-piece bushings, 3 split bushings and carrying case. Just match your drill press quill diameter to the nearest ID bushing dimension. Not recommended for use with "baby" drill presses.

Bushing sizes include: 2.945" O.D. x 2.600" I.D., 2.600" O.D. x 2.366" I.D, 2.366" O.D. x 2.170" I.D., 2.600" O.D. x 2.000" I.D., 2.600" O.D. x 1.880" I.D. and 2.600" O.D. x 1.570" I.D.

Works with the following drill presses:

  • Grizzly G0485
  • Grizzly G0491
  • Grizzly G7943
  • Grizzly G7944
  • Grizzly G7947 (with additional purchase of G9716 quill collar)
  • Grizzly G7948 (with additional purchase of G9716 quill collar)
  • Shop Fox W1680
  • Sears 21313
  • Sears 21315
  • Sears 21317
  • Delta 11-990
  • Delta 14-070
  • Delta 17-900
  • Delta 11-090
  • Jet JDP-14MF
  • Jet JDP-17M
  • Jet JDP-17MF