Hougen Manufacturing, Inc. Electro-Hydraulic Hole PunchersAnnular CuttersMagnetic Drills Contact Us


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Industrial four speed, 4" depth mag drill for heavy duty metal fabrication

• Powerful motor with two speed gear box
• Interchangeable gears for up to four speeds
• Uses Hougen "12,000-Series" Annular Cutters
• Pilot light
• Two stage magnet
• Positive slug ejection
• Coolant bottle included - optional pressurized
• More holding power with impactor points
• Lift detector safety system
• Minimal maintenance requirements
• Integrated motor/gearbox design with guide rails for
  a rigid compact design
• Two year warranty

Replaces HMD915 & HMD933

Optional gearing available for the following cutter RPM: 70, 120, 200, 332
See Chart Below


Four speed HMD934 Industrial Magnetic Drill for holes up to 4" deep
The HMD934 magnetic drill is made in uSA



Electrical System 115V, 50/60 Hz - 13.5A, 1553W
230V, 50/60 Hz - 6.75A, 1553W

Motor 12.5A (115V), 6.25A (230V) 70/120/200/332 RPM

Diameter 3/4"- 3-1/16" (19mm - 77mm)

Depth 4" (100mm)

Cutter/Mount "12,000-Series" - 3/4" shank

Dimensions 26-1/4" H x 10" W x 17-3/4" L
(667mm H x 254mm W x 451mm L)

Magnet Base 5" W x 7" L (127mm W x 178mm L)
1" Plate (25mm) Dead Lift
2745 lb. (1245 kg)
Drillpoint Breakaway
1492 lb. (676 kg)
3/8" Plate (9.5mm) 1153 lb. (522 kg) 627 lb. (284 kg)

Weight 72 lb. (32.6 kg) • Shipping 94 lb (42.6 kg)

Shipping Dimensions 15.75 x 22 x 32.25" (40 x 55.9 x 81.9 cm)


Models & Part No.
Click on Part No for Op Manual


Part No.



Special Plug

0934102 HMD934 115V
0934202 HMD934 230V
0934302 HMD934 230V Type I

* All drills include: pint of coolant, hex wrenches, handle & safety chain.

Pressurized Coolant System

Pressurized coolant system for the HMD934 provides longer and better coolant flow when drilling holes
Pressurized coolant system allows for extended drilling times and better coolant flow to the cutting teeth deep in the hole. Also works with the the older HMD933 & HMD915 drills.

Part No: 08446

Countersink Kit

Countersink kit for portable magnetic drills makes 82 degree countersinks
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.
82° Countersink Kit includes countersink with inserts & (4) Pilots - 9/16, 11/16, 13/16 & 15/16" plus a torx wrench
82° Countersink with Carbide Inserts (Does not include pilots)
9/16" diameter Pilot
11/16" diameter Pilot
13/16" diameter Pilot
15/16" diameter Pilot
Replacement Screw
Replacement Wrench
Replacement Carbide Inserts (Box of 10)
Use for mild steel, cast steel & malleable iron
Replacement Carbide Inserts Wear Resistant (Box of 10) Use for structural steel, stainless steel, harder steels & non-ferrous materials

Pipe Adapter Kits

Drills holes in pipe using the Hougen Pipe adapter
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.
* Minimum 3" diameter, maximum 12" diameter

Part No.
Chain mount pipe adapter (bracket required)
Bracket mount for Models HMD934


Slick-Stik Lubricant & RotaMagic Cutting Fluid provides the proper lubrication for annular cutter hole making

Super Concentrated Cutting Fluid

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.
1 Pint Bottle
(12) 1 Pint Bottles
1 Gallon Bottle
(4) 1 Gallon Bottles, makes 11 gallons each
(1) 5 Gallon Pail, makes 55 gallons
(1) 55 Gallon Drum, makes a lot of coolant!
* Individual Products Not for Distributor Purchase

For SDS Information please click here
RotaGel Cutting Lube is environmentally safe

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.
Case of 10 Tubes

RotaFoam Cutting Fluid for use with drills, annular cutters, taps and reamers

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 US & Canada)

Part No.
Case of 12 cans

Hougen Slick-Stik is a wax based lubricant for use with annular cutters and other cutting tools

Slick-StikLubricant 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 including Rotabroach Cutters for horizontal or overhead drilling.

Slick-Stik™ Lube

Part No.
(12) 1.68 oz. Mini Slick-Stik Lubricant

For SDS Information please click here

Gearing Options

Cutter RPM
Part No. (No. Teeth Per Gear)
Shaft A
Shaft B
  Motor High Speed
40012 (18)
40016 (30)
40016 (30)
40012 (18)
  Motor Low Speed
40012 (18)
40016 (30)
40016 (30)
40012 (18)



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