Pitbull® Clamps

Measurements Available: Inch, Metric

Pitbull Clamps

Pitbull ® Clamps

The revolutionary Pitbull® Clamp remains the lowest profile, highest holding force clamp in the industry today. High vertical and horizontal clamping forces are generated, considering the size of the Pitbull® Clamps.

It uses a standard cap screw and an oil resistant O-ring. The Pitbull® Clamp is available in 5 sizes and several styles, a tool steel knife edge for aggressive stock removal, a tool steel blunt edge for general purpose, a brass version to help prevent marring the workpiece and a machinable version.

Unique Features of Pitbull® Clamps

   
  • Extremely low bite
  • Positive down force
  • High resistance to rip-out
  • Simple, sturdy, high quality design and components
  • Gain maximum tool access to your work
  • Virtually eliminate lost work
  • Great option with hydraulic
Courtesy of Straitline Components

Creating Fixtures is Easy. . . Simply:

 
  • Machine a slot for the Pitbull® Clamp.
  • Drill and tap a hole for the cap screw.
  • Assemble the clamp as shown in the diagram.
  • Position clamp as shown in diagram and loosely screw to fixture.
  • Insert workpiece and tighten cap screw.

PATENT NO. 6435496
replacement-o-screw

Inch

Part No.   Description A B Clamp Width
C
D* E SHCS
Screw
Size
Max Torque
(ft/lbs)
Holding
Force (lbs.)
Total
Throw
No. Clamps
Per Package
26000 CAD Tool Steel, Knife Edge .150 .140 .375 .075 .260 4-40 1.30 650 .0075 8
26010 CAD Tool Steel, Blunt Edge .150 .140 .375 .075 .260 4-40 1.30 650 .0075 8
26015 CAD Brass, Blunt Edge .150 .140 .375 .075 .220 4-40 .41 200 .0075 8
26020 CAD Tool Steel, Knife Edge .200 .187 .500 .100 .390 8-32 3.70 1500 .016 8
26030 CAD Tool Steel, Blunt Edge .200 .187 .500 .100 .390 8-32 3.70 1500 .016 8
26040 CAD Brass, Blunt Edge .200 .187 .500 .100 .340 8-32 2.00 400 .016 8
26050 CAD Tool Steel, Knife Edge .300 .280 .750 .150 .570 1/4-20 14.50 3600 .024 6
26060 CAD Tool Steel, Blunt Edge .300 .280 .750 .150 .570 1/4-20 14.50 3600 .024 6
26065 CAD Brass, Blunt Edge .300 .280 .750 .150 .440 1/4-20 4.10 950 .024 6
26070 CAD Tool Steel, Knife Edge .400 .450 1.00 .250 .710 3/8-16 30.00 6000 .050 4
26075 CAD Tool Steel, Blunt Edge .400 .450 1.00 .250 .710 3/8-16 30.00 6000 .050 4
26080 CAD Tool Steel, Knife Edge .600 .640 1.50 .375 .770 1/2-13 108.30 12000 .075 2
26085 CAD Tool Steel, Blunt Edge .600 .640 1.50 .375 .770 1/2-13 108.30 12000 .075 2
* D is clamp height.

 

Metric

Part No.   Description A B Clamp Width
C
D* E SHCS
Screw
Size
Max Torque
(N.m.)
Holding
Force (N.)
Total
Throw
No. Clamps
Per Package
56000 CAD Tool Steel, Knife Edge 3.81 3.55 9.52 1.90 6.60 M2.5 1.8 2800 .190 8
56010 CAD Tool Steel, Blunt Edge 3.81 3.55 9.52 1.90 6.60 M2.5 1.8 2800 .190 8
56015 CAD Brass, Blunt Edge 3.81 3.55 9.52 1.90 5.59 M2.5 .56 875 .190 8
56020 CAD Tool Steel, Knife Edge 5.08 4.75 12.70 2.54 9.90 M4 5.6 6600 .406 8
56030 CAD Tool Steel, Blunt Edge 5.08 4.75 12.70 2.54 9.90 M4 5.6 6600 .406 8
56040 CAD Brass, Blunt Edge 5.08 4.75 12.70 2.54 8.64 M4 2.8 1750 .406 8
56050 CAD Tool Steel, Knife Edge 7.62 7.11 19.05 3.81 14.48 M6 22.5 16000 .610 6
56060 CAD Tool Steel, Blunt Edge 7.62 7.11 19.05 3.81 14.48 M6 22.5 16000 .610 6
56065 CAD Brass, Blunt Edge 7.62 7.11 19.05 3.81 11.18 M6 5.6 4200 .610 6
56070 CAD Tool Steel, Knife Edge 10.16 11.43 25.4 6.35 18.03 M10 40.6 26000 1.270 4
56075 CAD Tool Steel, Blunt Edge 10.16 11.43 25.4 6.35 18.03 M10 40.6 26000 1.270 4
56080 CAD Tool Steel, Knife Edge 15.24 16.26 38.1 9.52 19.56 M12 145.0 50000 1.900 2
56085 CAD Tool Steel, Blunt Edge 15.24 16.26 38.1 9.52 19.56 M12 145.0 50000 1.900 2
* D is clamp height.

Knife Edge

Blunt Edge

Both versions of the tool steel clamps generate the same clamping pressure. However, the knife edge clamps bite into the material for more aggressive machining, while the blunt edge is less likely to mark the workpiece.

Fixture Examples

Using a steel rail behind clamp in aluminum fixtures when applying maximum torque prevents displacing metal at pivot point.

Applications

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