It worked with the 1/4" and 3/8" chisel bit on my 10" RYOBI drill press but the shafts on the 1/2" and 3/5" bits are to short. You will need a drill press with a longer chuck.
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Ironton Mortising Attachment, For Drill Press

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- Mortising attachment converts a drill press into an accurate mortising machine for woodworking applications
- Allows user to easily chisel accurate, professional-looking square holes
- Attachment fits over drill presses with spindle sliding bush diameters of 52.5mm, 55mm, 58m and 60mm
- Comes with 4 chisel shank sizes: 1/4in., 5/16in., 1/2in. and 5/8in.
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Mortising attachment (4) Chisel shank sizes (1/4in., 5/16in., 1/2in., 5/8in.)
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Features + Benefits
- Mortising attachment converts a drill press into an accurate mortising machine for woodworking applications
- Allows user to easily chisel accurate, professional-looking square holes
- Attachment fits over drill presses with spindle sliding bush diameters of 52.5mm, 55mm, 58m and 60mm
- Comes with 4 chisel shank sizes: 1/4in., 5/16in., 1/2in. and 5/8in.
Key Specs
| Attribute | Specification |
|---|---|
item# | 57860 |
Brand | Ironton |
| Attribute | Specification |
|---|---|
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 12.0 LB |
Reviews
Questions & Answers
Questions
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· 7 years ago
will this work on a bench top drill press?
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Model1942· 6 years ago
Helpful?
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IrontonExpert29· 7 years ago
This mortising attachment can be used with benchtop drill presses that have spindle sliding bush diameters of 52.5mm, 55mm, 58m and 60mm.
Helpful?
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· 8 years ago
What drills will this work on?
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Gromey· 7 years ago
it fit my Delta 50mm
Helpful?
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IrontonExpert29· 8 years ago
This mortising attachment is designed as a universal attachment to be used on drill presses that have spindle sliding bush diameters of 52.5mm, 55mm, 58m and 60mm.
Helpful?
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· 8 years ago
Drill Bits
The picture shows a long shaft from the chuck to the bottom of the mortising shank. Will I need to purchase long drill bits?
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Gromey· 7 years ago
no it comes with the bits
Helpful?
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IrontonExpert29· 8 years ago
This mortising attachment includes the drill bits with the chisel shanks.
Helpful?
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· 5 years ago
will this fit on Klutch floor drill press item #49383
1 answer-
IrontonExpert7· 5 years ago
This will not fit on the Klutch drill press 49383.
Helpful?
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· 5 years ago
Would this work on a wen 4208 8” bench drill with an increased column length?
1 answer-
IrontonExpert7· 5 years ago
This will fit over drill presses with spindle sliding bush diameters of 52.5 mm, 55 mm, 58 mm and 60 mm.
Helpful?
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· 8 years ago
What size shank can this handle?
I need to use a 1" mortise chisel and bit for a project that has a 3/4" shank.
1 answer-
IrontonExpert6· 8 years ago
The biggest shank size this will accept is 3/4".
Helpful?
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· 8 years ago
What is depth capacity under hold downs?
1 answer-
IrontonExpert7· 8 years ago
This product is only an accessory to a drill press for mortising applications. The item is shown attached to a drill press.
Helpful?
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Warranty
Manufacturer's Warranty
1 year limited warranty
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Specifications
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0.5 in
0.5 in
0.5 in
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1
2
1
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3,600
4,000
2,000
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0
0
0
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115/230
115/230
115/230
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6
8
11
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44 lb
90.0000 lb
292.0000 lb
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21.25 x 21.625 x 40.0 in
7.0 x 20.25 x in





