Component Component |
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Standoff Type Standoff Type |
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Inspection and Measuring Fixturing
Use these components in coordinate measuring machine (CMM) applications to raise a workpiece and reliably position it on a fixture plate with 1/4"-20 holes. They are not for use in machining applications.
Hold-down clamps thread directly into a fixture plate, tower, or compatible component. Slide the clamp down its shaft and press into place against the workpiece for a light hold. They're also known as tension spring clamps. Wire clamps have a slimmer profile than standard, making them good for clamping small parts or minimizing contact area for additional visibility.
Thread | ||||||||
|---|---|---|---|---|---|---|---|---|
| Reach | Ht. | Size | Pitch, mm | Lg. | Material | Tip Finish | Each | |
Standard | ||||||||
| 13/16" | 2" | 1/4"-20 | __ | 1/4" | Aluminum | __ | 0000000 | 000000 |
| 1 9/16" | 2 3/4" | 1/4"-20 | __ | 1/4" | Aluminum | __ | 0000000 | 00000 |
| 1 9/16" | 2 3/4" | 1/4"-20 | __ | 1/4" | Aluminum | Rubber Coated | 0000000 | 00000 |
| 2 5/16" | 2 3/4" | 1/4"-20 | __ | 1/4" | Aluminum | __ | 0000000 | 00000 |
| 2 5/16" | 2 3/4" | 1/4"-20 | __ | 1/4" | Aluminum | Rubber Coated | 0000000 | 00000 |
| 3 7/16" | 3" | 1/4"-20 | __ | 1/4" | Aluminum | __ | 0000000 | 00000 |
| 21mm | 50mm | M4 | 0.7 | 4.8mm | Aluminum | __ | 0000000 | 00000 |
| 21mm | 50mm | M6 | 1 | 6.4mm | Aluminum | __ | 0000000 | 00000 |
| 38mm | 50mm | M4 | 0.7 | 4.8mm | Aluminum | __ | 0000000 | 00000 |
| 38mm | 75mm | M6 | 1 | 6.4mm | Aluminum | __ | 0000000 | 00000 |
| 38mm | 75mm | M8 | 1.25 | 7.9mm | Aluminum | __ | 0000000 | 00000 |
| 58mm | 50mm | M4 | 0.7 | 4.8mm | Aluminum | __ | 0000000 | 00000 |
| 58mm | 75mm | M6 | 1 | 6.4mm | Aluminum | __ | 0000000 | 00000 |
| 58mm | 75mm | M8 | 1.25 | 7.9mm | Aluminum | __ | 0000000 | 00000 |
Wire | ||||||||
| 1 1/4" | 1" | 1/4"-20 | __ | 1/4" | Aluminum | __ | 0000000 | 00000 |
| 2" | 2" | 1/4"-20 | __ | 1/4" | Aluminum | __ | 0000000 | 00000 |
Fixture plates have a grid of 1/4"-20 threaded holes spaced 1/2" apart for attaching components. Alpha-numeric markings around the edges of the plates make it easier to identify holes and repeat tasks. Use aluminum plates with CMMs and optical comparators. Use acrylic plates on vision systems. They are transparent to provide your system with a view of the workpiece.
Holes | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Thick. | Parallel Tolerance | No. of | Style | Thread Size | Ctr.-to-Ctr. | Material | Each | |
| 3" | 3" | 1/2" | 0.0025" | 21 | Threaded | 1/4"-20 | 1/2" | Aluminum | 0000000 | 000000 |
| 3" | 6" | 1/2" | 0.0025" | 51 | Threaded | 1/4"-20 | 1/2" | Aluminum | 0000000 | 000000 |
| 6" | 6" | 3/8" | 0.0025" | 121 | Threaded | 1/4"-20 | 1/2" | Acrylic Plastic | 0000000 | 000000 |
| 6" | 6" | 3/8" | 0.0025" | 121 | Threaded | 1/4"-20 | 1/2" | Aluminum | 0000000 | 000000 |
| 12" | 12" | 1/2" | 0.005" | 484 | Threaded | 1/4"-20 | 1/2" | Aluminum | 0000000 | 000000 |
| 18" | 18" | 1/2" | 0.01" | 1,156 | Threaded | 1/4"-20 | 1/2" | Aluminum | 0000000 | 00000000 |
| 24" | 24" | 3/4" | 0.01" | 2,116 | Threaded | 1/4"-20 | 1/2" | Aluminum | 0000000 | 00000000 |
The height of fixture towers makes them useful for holding large parts. They have a grid of 1/4"-20 threaded holes spaced 1/2" apart for attaching components. Alpha-numeric markings around the edges of the towers make it easier to identify holes and repeat tasks.
Use an angle plate to mount components at a right angle.
Slots | Holes | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Lg. | Wd. | No. of | Style | Thread Size | Material | Each | |
| 3" | 1" | 3" | 1 3/4" | 1/4" | 18 | Threaded | 1/4"-20 | Aluminum | 0000000 | 000000 |
Thread | ||||||
|---|---|---|---|---|---|---|
| Dia. | Ht. | Size | Lg. | Material | Each | |
Fixed Height | ||||||
| 1/2" | 1/2" | 1/4"-20 | 1/4" | Steel | 0000000 | 000000 |
| 1/2" | 3/4" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
| 1/2" | 1" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
| 1/2" | 2" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
| 1/2" | 3" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
| 3/4" | 1/2" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
| 3/4" | 3/4" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
| 3/4" | 1" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
| 3/4" | 2" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
| 3/4" | 3" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
| 1" | 1/2" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
| 1" | 3/4" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
| 1" | 1" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
| 1" | 2" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
| 1" | 3" | 1/4"-20 | 1/4" | Steel | 0000000 | 00000 |
Adjustable Height | ||||||
| 1/2" | 1 7/16"-1 3/4" | 1/4"-20 | 1/4" | Aluminum | 0000000 | 00000 |
Thread | ||||||
|---|---|---|---|---|---|---|
| Dia. | Ht. | Size | Lg. | Material | Each | |
| 5/8" | 1/2" | 1/4"-20 | 1/4" | Acetal Plastic | 0000000 | 00000 |
Thread | ||||||||
|---|---|---|---|---|---|---|---|---|
| Arm Lg. | Body Lg. | Arm Rotation | Size | Lg. | Body Material | Cone Material | Each | |
| 4 1/4" | 4" | 360° | 1/4"-20 | 5/8" | Steel | Acetal Plastic | 0000000 | 000000 |
| For Standoff Dia. | Dia. | Ht. | Thread Size | Material | Includes | Each | |
| 1/2" | 1 1/8" | 2" | 1/4"-20 | Acetal Plastic | 1/4"-20 Knurled Knob | 0000000 | 000000 |
Slot | Holes | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Thick. | Lg. | Wd. | No. of | Thread Size | Material | Includes | Each | |
| 2" | 5/8" | 1/4" | 7/8" | 9/32" | 1 | 1/4"-20 | Steel | 1/4"-20 Knurled Knob | 0000000 | 000000 |