Cam point screws GN 418.2 are simple clamping elements for a wide variety of different uses. They are sturdy and compact, requiring a minimum of installation space and offering ultimate convenience and ease in handling.
The F clamping forces given in the table refer to the maximum permitted tightening torque and the specified screw-in depth = t as shown on the “Assembly Instructions”.
Steel
RoHS
| R | Clamping by clockwise rotation (d2 = right-hand thread) |
| d1 Nominal dimension | Actual dimension | d2 | Length l | h1 | h2 | r1 | r2 | s1 | s2 | A/F in mm | x ±0.008 | z ±0.008 | Max. tightening torque in Nm | Max. clamping force F |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.35 | 0.36 | M 4 | 0.31 | 0.12 | 0.12 | 0.16 | 0.18 | 0.04 | 0.02 | 2.5 | 0.138 | 0.165 | 1.5 | 20.23 lbf (0.09 kN) |
| 0.47 | 0.46 | M 5 | 0.39 | 0.16 | 0.14 | 0.20 | 0.22 | 0.05 | 0.03 | 3 | 0.165 | 0.205 | 2 | 22.48 lbf (0.1 kN) |
| 0.55 | 0.56 | M 6 | 0.47 | 0.20 | 0.18 | 0.24 | 0.28 | 0.06 | 0.04 | 4 | 0.213 | 0.252 | 5 | 67.44 lbf (0.3 kN) |
| 0.71 | 0.71 | M 8 | 0.63 | 0.24 | 0.22 | 0.30 | 0.35 | 0.07 | 0.05 | 5 | 0.260 | 0.315 | 22 | 607 lbf (2.7 kN) |
| 0.87 | 0.87 | M 10 | 0.79 | 0.28 | 0.26 | 0.37 | 0.44 | 0.09 | 0.07 | 6 | 0.327 | 0.386 | 35 | 899 lbf (4 kN) |
| 1.02 | 1.02 | M 12 | 0.94 | 0.35 | 0.31 | 0.46 | 0.54 | 0.10 | 0.07 | 8 | 0.398 | 0.472 | 45 | 1214 lbf (5.4 kN) |
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The head of the cam point screw has two cams: a radial clamping cam (with additional 30° taper) and an axial draw-down cam. The cam ensures that the clamping force is the same in any angular position. The cam is also Force components act on the clamping point which generates a draw-down effect and, in addition to the friction, cause the workpiece to be pressed up against a fixed stop. An additional draw-down effect is created by the thread and the 30° taper. |
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•Position the threaded hole/s as specified. •Screw the cam point screw in to the desired height and place it with its flat side facing the workpiece (note the minimum screw-in depth t) •For clamping effect above the head taper, the minimum clamping height should be h2 •A turn of approx. 135° is required for clamping |
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| Min | Max | Price |
|---|---|---|
| 1 | 99 | Can$48.84 |
| 100 | 249 | Can$44.77 |
| 250 | 499 | Can$40.70 |
| ≥ 500 | Can$36.63 |
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