• Max Depth: 2″ (50mm)
  • Max Diameter: 7/16″ – 1-1/2″ (12mm – 38mm)

Hougens most popular magnetic drill, this drill is the choice for fabrication because it is lightweight, compact and powerful. This drill comes with many more accessories are available like: drill chucks, tapping, countersinks and more. Carrying case (kit box) included. Comes with one year warranty.

New & Improved


• 1-1/2″ dia x 2″ capacity
• Hidden motor cord
• Lower overall height
• Pilot Light
• Positive slug ejection
• Many accessories are available for a
portable machine shop including: drill
chucks, tapping, countersink, and more…
• Cutter Dia Max: 1-1/2″ (38mm)
• Depth of Cut Max: 2″ (50mm)
• Weight: 30 l
• Hougen Part Number 0904101

SKU: HMD904 Categories: , ,


Electrical System 115V, 50/60 Hz – 9A, 1035W
Motor 8A (115V),  450 RPM
Diameter 7/16″ – 1-1/2″ (12mm -38mm)
Depth 2″ (50mm)
Cutter/Mount Rotabroach®, Copperhead™ and Fusion™cutters, 3/4″ (19mm) shank
Dimensions 16-3/8″ H x 7-3/4″ W x 11-5/8″ L (499mm H x 197mm W x 295mm L)
Swivel Area 1-1/8″ Wx 1-3/8″ L(28.5mm W x 34.9mm L)
Magnet Base 3-1/8″ Wx 6-9/16″ L (79mm W x 167mm L)
1″ Plate (25mm) Dead Lift
1750 lb. (794 kg)
Drillpoint Breakaway
995 lb. (452 kg)
3/8″ Plate (9.5mm) 1310 lb. (594 kg) 710 lb. (322 kg)
Swivel Magnet 1″ Plate (25mm) Dead Lift
1340 lb. (608 kg)
Drillpoint Breakaway Forward – 695 lb. (315 kg)
Back – 835 lb. (379 kg)
3/8″ Plate (9.5mm) 1015 lb. (460 kg) Forward – 503 lb. (228 kg)
– 605 lb. (274 kg)
Net Weight 27.5 lb. (12.5 kg)
Weight 28.9 lb. (13.1kg) • Shipping 43 lb. (19.5 kg)

Need annular cutters for this mag drill? Click here to view

Additional information

Weight 43 lbs
Dimensions 11.625 × 7.75 × 19.625 in
Max Depth

Mag Drill Model


Mag Drill Brands

Hougen Mag Drills


HMD904 Models & Part No.
* All drills include: carrying case, pint of coolant, safety chain, & hex wrenches.
** Fabricator’s Kit also includes: 1/2″ Drill Chuck, adapter, & “12,000-Series” Cutter Kit
Part No. Description Voltage Coolant Bottle Swivel Cutter Kit CSA Special Plug
HMD904 HMD904 115V X
HMD904C HMD904 115V X X
HMD904S HMD904 115V X X
HMD904SC HMD904 115V X X X
HMD904C-F HMD904 + Fab Kit 115V X 12002 X
HMD904SC-F HMD904 + Fab Kit 115V X X 12002 X




Drill Chucks
Easily use twist drills with an HMD904. Drill chucks are quickly installed in place of the arbor. Spindle adapters are required to use a drill chuck.

Part No. Description
10731 1/2″ Hougen Chuck with key
10732 1/2″ Jacobs Chuck with key
07930 Replacement key for 1/2″ chucks
08186 Spindle Adapter for HMD904 with Slot Drive Arbor (Drill w/ Pilot Light)
05536 Spindle Adapter for HMD904 with Hex Drive Arbor
01829 Spindle Adapter for HMD904 with Threaded Drive Arbor

New Slot Drive Arbor Systems

Older Hex Drive Spindles

Twist Drill Adapter
Easily installs in a Hougen Magnetic Drill* without removing drill arbor and coolant system. Adapter accepts a modified 118° twist drill with a 1/4″ flatted shank that secures in adapter with a set screw. A convenient kit is available containing all items listed below.
Part No. Description
02608 Twist Drill Adapter with Set Screw
02695 Set Screw for Adapter
03835 1/2″ dia. Twist Drill
03837 7/16″ dia. Twist Drill
03839 3/8″ dia. Twist Drill
03841 5/16″ dia. Twist Drill
03843 1/4″ dia. Twist Drill
03845 Twist Drill Adapter Kit

Twist Drill Adapter Kit for Mag Drills

Tapping Kits
Lightweight, easy to install design incorporates a planetary gear reverse with a 1:1 ratio. Reversing speed is equal to spindle speed so in-feed and out-feed of the unit can be employed without reversing motor direction. Tapping Kits are not recommended for use with swivel base drills.

Tapping Kit Collet Tap Cap. inches
08177 (Slot Drive – includes adapter 08176) 02495
#6 – 1/4″
1/4″ – 1/2″
05457 (Hex Drive motor spindles)* 02495 #6 – 1/4″
02463 (Old style threaded motor spindles) 02496 1/4″ – 1/2″
* Model HMD904 with hex spindle requires 07339 adapter *

Tap a Hole in Seconds with a Hougen Magnetic Drill

Countersink Kit
Designed for use with Hougen Magnetic Drills, 82° Countersink is double fluted with carbide inserts for maximum cutting action and long life. For holes from 9/16″ to 15/16″ diameters
Part No. Description
12965 82° Countersink Kit includes countersink with inserts & (4) Pilots – 9/16, 11/16, 13/16 & 15/16″ plus a torx wrench
12966 82° Countersink with Carbide Inserts (Does not include pilots)
12960 9/16″ diameter Pilot
12961 11/16″ diameter Pilot
12962 13/16″ diameter Pilot
12963 15/16″ diameter Pilot
Replacement Screw
Replacement Wrench
05467 Replacement Carbide Inserts (Box of 10)
Use for mild steel, cast steel & malleable iron
05779 Replacement Carbide Inserts Wear Resistant (Box of 10) Use for structural steel, stainless steel, harder steels & non-ferrous materials
Pipe Adapter Kits
These kits let you drill pipe and tubing with a minimum 3″ diameter and some convex surfaces. Kits quickly attach to your Hougen Magnetic Drill and positive non-slip positioning assures centered hole location.
Part No. Description
02564* Chain mount for model HMD904
* Minimum 3″ diameter schedule 160, maximum 12″ diameter schedule 160 *
Ratchet Drive
Use a ratchet with a HMD904 portable magnetic drill
With the feed handles of the HMD904 removed the Ratchet Drive is easily installed allowing use of a standard ratchet handle for drilling in confined areas. Ratchet Drive operates from either side of the drill.
Part No. Description
02449 Ratchet Drive for Model HMD904 Mag Drill, does not include Ratchet
Portable Vac-Pad
Vac-Pad uses hop air to aid in drilling holes on diamond plate and aluminum
Vac-Pad works exclusively with the Model HMD904 on non-ferrous materials, diamond plate and materials with surface imperfections up to 3mm deep. Standard shop air provides 761 lbf surface holding power at 85kpa. Safety switch shuts off drill motor if air pressure drops.
Part No. Description
05000 For HMD904 with taper back magnet and non-swivel base models only
Coolant Bottle Retrofit Kits
Add a coolant bottle to your existing HMD904 drill. Includes coolant bottle and new arbor system.
Part No. Description
05087 16 oz gravity feed bottle & kit for Threaded drive HMD904
05548 16 oz gravity feed bottle & kit for Hex drive HMD904
08309 16 oz gravity feed bottle & kit for Slot drive HMD904
RotaMagic™ Super Concentrated Cutting Fluid
RotaMagic™ Super Concentrated Cutting Fluid is water soluble, biodegradable cutting lubricant that yields a 10:1 ratio when mixed with water. RotaMagic extends tool life and improves cutter performance.
Part No. Description
11741* 1 Pint Bottle
11742* 1 Gallon Bottle
11743 (1) 5 Gallon Pail, makes 55 gallons
11744 (1) 55 Gallon Drum, makes a lot of coolant!
* Individual Products Not for Distributor Purchase *
For SDS Information please click here
RotaGel™ Cutting Lube
RotaGel Cutting Lube is an extremely environmentally friendly lubricant for all types of metals and metal working applications. The blue colored gel assures thorough coverage and provides long lasting superior lubrication. Use with annular cutters, taps, drills, reamers, end mills, & more.
Part No. Description
11748* Single 8oz Tube
* Individual Tube Not for Distributor Purchase *
RotaFoam™ Cutting Fluid
RotaFoam Cutting Fluid is an extremely heavy-duty, high performance foamy lubricant for all types of metals and metal working applications. “Super Sticky” properties make the foam adhere to the metal and stay on longer. The blue colored foam allows you to “See Where You Spray” and also assures thorough coverage. Use with annular cutters, taps, drills, reamers, end mills, & more (Only Available in the US & Canada)
Part No. Description
11747* Single 17oz Can
* Individual Can Not for Distributor Purchase *
Slick-Stik™ Lube
Slick-Stik™Lubricant is softer than other stick lubricants for easy application, providing superior adhesion to the tool, assuring thorough coverage. Use with ferrous and non-ferrous materials. Can be used with all Hougen cutters.
Part No. Description
11745 16 oz. Slick-Stik™ Lubricant
11746 1.68 oz. Mini Slick-Stik™ Lubricant
For SDS Information please click here

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