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Call us at 905-624-5536
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H.H. Roberts Machinery Limited
1324 Matheson Blvd E., Mississauga, Ontario, Canada. L4W-2Z7, Fax 905-624-9065
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command CNC tooling Systems Command CNC pull studs Need pull stud specs? Click Here

You can look to Command for all your toolholding and boring applications. Our  expertise at problem solving has made us #1. Command provides the best in product, service, availability, and value. 
Representatives are located throughout North America to provide toolholder selection, custom toolholder design assistance, installation and training. Standard product is in stock for immediate delivery. We provide rapid turnaround on custom orders.
Whatever it takes . . . we'll get you  there !

Pull Stud (retention knob) dimensions
Click Here for dimensioned drawings for Cat-V, MAS BT and others. 
  CNC tooling pull studs  

NEW FLUID-DRIVEN RIGHT ANGLE HEADS ARE THE NEW SOLUTION FOR RIGHT ANGLE MACHINING IN CONFINED AREAS.
Command right angle milling head
New Axis™ Fluid-Driven Keyway Cutter Offers Machining of Parts and Keyways in a Single Operation. command keyway milling tool
System II™ Adaptive Drawbar Dynamometer<
Detects inadequate drawbar retention force quickly. Identifies if retention force losses are at fault when poor surface finishes appear or when tool performance deteriorates. Maximizes tool life, spindle life and system rigidity. To ensure toolholder performance, combine with Taper Check™
command pull stud Dynamometer
Test your drawbar tension
Command Toolholders
AT3 or better toolholder shank taper for accurate, rigid toolholder-to-spindle mount.  Concentric to .0002" TIR, putting tool precisely on spindle centerline. Fully  ground flange and V-groove for less spindle and tool changer maintenance. Full range of toolholders in BT-Flange, V-Flange and HSK.
command collet chuck
Custom Products & Modifications
Matching requirements often go beyond standard toolholders. Unleash the potential of your machining centers - talk to Command's toolholder designers today. Command is ready to meet the challenges of custom toolholders with quick turnaround.
Whatever it takes... we'll get you there.
command custom CNC toolholders
Micro Precision® Collet Chucks
Micro Precision® DR  series collets are compatible with DIN 6499 standard collets. Available in  various series for tool shank sizes from .020" to 1.023" (.5 to 26.0 mm) Flush  precision closure nut-grips tool close to cutting edge - accurate, rigid. Puts  tool precisely on centerline
Command micro precision collet chucks
XT Precision™ Collet Chucks
The latest in high performance technology for improved accuracy and gripping pressure throughout the entire collet collapse range. Runout of .006 mm at the collet face is guaranteed with XT Precision™ Collet Chucks used with XT Precision™ Collets. Various series available for tool shank sizes from .0197" to 1.0236" (.50 to 26.00 mm).
Command extension collet chucks
Comflex® and Comflex® X Collet Chucks
The key reason for the Comflex® accuracy and gripping power is a unique Flush Nut Design. It incorporates a rotating ball assembly producing a "radial float". This in effect, forces the collet to self-center for maximum grip, highest precision and minimum tool wear. Available in various series for tool shank sizes from .078" to 1.50". Comflex® X was specifically designed for high speed applications with cutters up to 1.00".
Comflex CNC collet chucks
Double Angle Collet Extensions
For use with Command Collet Chucks. Double Angle Collets are interchangeable with Erickson-type collets. Four series for tool shanks ranging from .031" to .750".
Command extension collet chucks
Blue Chip™ Coolant Containment System for Collet Chucks
Contains and directs coolant to the tip of the tool where it is needed. Seals coolant tools from .12" to 1.02" (3.0 to 26.0 mm). Sizes available for all Micro Precision®, Select XT Precision™ and select Comflex® Collet Chucks.
Command CNC tooling
End Mill Holders
Full range of side locking end mill holders with fine thread screws - matching Weldon flats - to lock tight and stay tight. Available for end mill shank diameters ranging from .50" to 2.00" and 6 to 20 mm.
Command CNC end mill holder
Hydracentric™ Hydraulic Holders
Powerful hydraulic grip with slim nose design. 5 times the radial repeatability of competitive designs.
Command Hydraulic CNC shrink fit holders
ThermoLock® Shrink-Fit Holders and Accessories
Maximum tool-gripping strength and machining accuracy. Thermolock® Toolholders are heated to load and unload the cutting tool
Command Thermolock shrink fit collet chucks
Shell Mill Holders
Designed for precision fit with cutter. Pilot diameter sizes ranging from .75" to 2.000" available. Removable/replaceable drive keys are standard.
Command Shell Mill holders
Tap Holders
Tension-Compression style has axial float for precise thread pitch. Holders travel in tension .75" / compression .37". Synchronous (Rigid) Tap Holders are for new machine controls. Both styles use popular Bilz style quick change collet system
Command CNC tap holders
Boring Head Holders
Holders available with various threaded connections to adapt to popular boring heads.
Command CNC boring head holders
Jacobs and Morse Taper Holders
Jacobs taper held to better than .0002" accuracy for best mating with the drill chuck. Morse taper pocket held to .0002" accuracies for the best locking fit of the Morse shank. These holders are not for high speed use.
Command CNC drilling toolholders
Semi Flush Slitting Saw
Designed for slitting saws up to 5/16" thick (for wider cutters use Stub Arbour Holders). Semi flush nose cap gets in tight areas. Available for Saw Size ID of 1.00" & 1.25".
Command slitting saw holder
Stub Arbour Holders
Stub Arbour Toolholders come complete with heavy duty locking nut and three arbour spacers (1/4", 3/8", 3/4"). Available for Cutter Size ID of 1.00" and 1.25".
Command CNC stub arbour holder
Blank Bars
Blank Bar nose is machinable for making custom and emergency holders. Shank and flange are case hardened and precision ground.
Command bland tool bars


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