Hold-Down Fixture Clamps
Tighten the spring-loaded socket head cap screw on these clamps to hold your workpiece from above. Also known as swing clamps, you can rotate the hook out of the way when the screw is loose. Install these clamps in a drilled hole for maximum rigidity.
Add mounting blocks to rotate the clamp’s hook consistently—these blocks have a stop every 90°. They’re also useful if you don’t have an easy mounting location for the fixture clamp.
For technical drawings and 3-D models, click on a part number.
Clamps | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Body | Thread | Drive | Mounting Blocks | ||||||||||
| Max. Clamping Clearance | Holding Capacity, lbs. | Reach | Lg. | Dia. | Size | Lg. | Size | Style | Material | Each | Each | ||
| 7/8" | 4,800 | 11/16" | 1 3/8" | 5/8" | 5/16"-18 | 1 3/4" | 1/4" | Hex | Steel | 0000000 | 000000 | 000000 | 00 |
| 29/32" | 2,200 | 1 3/16" | 1 3/8" | 3/4" | 5/16"-18 | 2" | 1/4" | Hex | Black-Oxide Steel | 0000000 | 00000 | 0000000 | 000000 |
| 1 17/32" | 2,700 | 2 3/8" | 2 1/4" | 1" | 1/2"-13 | 3" | 3/8" | Hex | Black-Oxide Steel | 0000000 | 00000 | 0000000 | 00000 |
| 1 17/32" | 3,700 | 2 3/8" | 2 3/8" | 1 1/4" | 5/8"-11 | 3 1/4" | 1/2" | Hex | Black-Oxide Steel | 0000000 | 000000 | 0000000 | 00000 |
| 1 5/8" | 6,400 | 1" | 2 1/4" | 7/8" | 3/8"-16 | 3" | 5/16" | Hex | Steel | 0000000 | 00000 | 000000 | 00 |
| 1 5/8" | 12,000 | 1" | 2 1/4" | 7/8" | 1/2"-13 | 3" | 3/8" | Hex | Steel | 0000000 | 00000 | 000000 | 00 |
| 1 13/16" | 17,000 | 1 7/16" | 2 3/4" | 1 1/8" | 5/8"-11 | 3 1/2" | 1/2" | Hex | Steel | 0000000 | 00000 | 000000 | 00 |
Air-Powered Hold-Down Fixture Clamps
Adjust the air pressure to quickly and consistently clamp and release parts. The arm on these clamps rotates 90° into position over the workpiece and then moves straight down to clamp. Disengage to rotate the arm out of the way and load or unload parts. Also known as swing clamps, they are used with a solid state switch or Reed function switch with M8 male 3-pin connectors. Connect the clamp's ports to a control valve and an air line. Clamps mount with screws.
Clamps with rubber-tipped holding screw are nonmarring. Tip is removable.
For technical drawings and 3-D models, click on a part number.
Body | Holding Screw | Female Air Inlet and Outlet | Mount. Holes | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max. Clamping Clearance | Vertical Travel During Rotation | Max. Clamping Stroke | Holding Cap., lbs. | Reach | Wd. | Dp. | O'all Ht. | Thread Size | Tip Material | Pipe Size | Thread Size | Thread Type | Mount. Fasteners Included | No. of | Dia. | Material | Each | |
90° Clockwise Rotation | ||||||||||||||||||
| 4 3/8" | 15/32" | 3/8" | 35 | 1 1/8" | 1 1/4" | 1 1/4" | 4 3/4" | 10-32 | Steel | __ | 10-32 | UNF | No | 6 | 3/16" | Aluminum | 00000000 | 0000000 |
| 5 1/2" | 3/4" | 1/2" | 130 | 2" | 2" | 3" | 6 3/8" | 3/8"-16 | Rubber | 1/8 | __ | NPT | No | 6 | 11/32" | Aluminum | 00000000 | 000000 |
90° Counterclockwise Rotation | ||||||||||||||||||
| 4 3/8" | 15/32" | 3/8" | 35 | 1 1/8" | 1 1/4" | 1 1/4" | 4 3/4" | 10-32 | Steel | __ | 10-32 | UNF | No | 6 | 3/16" | Aluminum | 00000000 | 000000 |
| 5 1/2" | 3/4" | 1/2" | 130 | 2" | 2" | 3" | 6 3/8" | 3/8"-16 | Rubber | 1/8 | __ | NPT | No | 6 | 11/32" | Aluminum | 00000000 | 000000 |
Threaded Air-Powered Hold-Down Fixture Clamps
Screw these clamps directly into a tapped hole and use air pressure to quickly and consistently clamp and release parts. The arm rotates 90° into position over the workpiece and then moves straight down to clamp. Disengage to rotate the arm out of the way and load or unload parts. Also known as swing clamps, they're used with a solid state switch or Reed function switch with M8 male 3-pin connectors. Connect the clamp's ports to a control valve and an air line. To hold clamps in an untapped hole, use a mounting block (sold separately).
Clamps with rubber-tipped holding screw are nonmarring. Tip is removable.
For technical drawings and 3-D models, click on a part number.
Body | Holding Screw | Female Air Inlet and Outlet | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max. Clamping Clearance | Vertical Travel During Rotation | Max. Clamping Stroke | Holding Cap., lbs. | Reach | Thread Size | Thread Lg. | O'all Ht. | Thread Size | Tip Material | Pipe Size | Thread Size | Thread Type | Material | Each | |
90° Clockwise Rotation | |||||||||||||||
| 4 3/8" | 15/32" | 3/8" | 35 | 1 1/8" | 1 1/8"-16 | 2 7/8" | 4 3/4" | 10-32 | Steel | __ | 10-32 | UNF | Aluminum | 00000000 | 0000000 |
| 5 5/16" | 3/4" | 1/2" | 95 | 1 5/8" | 1 3/4"-12 | 3 1/4" | 6 1/8" | 3/8"-16 | Rubber | 1/8 | __ | NPT | Aluminum | 00000000 | 000000 |
90° Counterclockwise Rotation | |||||||||||||||
| 4 3/8" | 15/32" | 3/8" | 35 | 1 1/8" | 1 1/8"-16 | 2 7/8" | 4 3/4" | 10-32 | Steel | __ | 10-32 | UNF | Aluminum | 00000000 | 000000 |
| 5 5/16" | 3/4" | 1/2" | 95 | 1 5/8" | 1 3/4"-12 | 3 1/4" | 6 1/8" | 3/8"-16 | Rubber | 1/8 | __ | NPT | Aluminum | 00000000 | 000000 |
Revolving Screw Clamps
When loosened, you can spin the body of this clamp around its mounting point for better access to the workpiece. Position over your workpiece and turn the handle to clamp down. Mount the clamp in a threaded hole or on a mounting base (sold separately).
For technical drawings and 3-D models, click on a part number.
Push Toggle Clamps with Rotating Handle
The handle can be rotated 125° for easier access or extra clearance above the clamp. These clamps secure when the plunger is fully extended to hold a workpiece from the side. The plunger is internally threaded to accommodate threaded holding screws and other threaded fixtures (not included).
For technical drawings and 3-D models, click on a part number.
Plunger | When Clamped | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Holding Capacity, lbs. | Lg. | Ht. | Travel | Dia. | Thread Size | Thread Lg. | O'all Ht. | O'all Lg. | Body Material | Each | |
| 450 | 1 9/16" | 7/8" | 1 9/16" | 7/16" | 5/16"-18 | 1" | 2 7/16" | 6 3/4" | Steel | 0000000 | 000000 |
Plunger | When Clamped | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Holding Capacity, lbs. | Lg. | Ht. | Travel | Dia. | Thread Size | Thread Lg. | O'all Ht. | O'all Lg. | Body Material | Each | |
| 450 | 1 9/16" | 7/8" | 1 9/16" | 7/16" | M8 | 25 mm | 2 7/16" | 6 3/4" | Steel | 0000000 | 000000 |
Rotary Clamping Air Cylinders
Clamp items in place to complete a step in your manufacturing process. These air cylinders rotate while actuating, so you can position, assemble, and inspect items. The body of these air cylinders has threaded through-holes on the face and sides, so you can mount them directly to equipment and thread accessories on. The rod is internally threaded, allowing you to attach an arm as needed for your application.
The piston is magnetic, so you can use these slides with sensors (not included) to activate relays and controllers. When the piston moves past a sensor, the sensor activates. You can use multiple sensors—one for each action you want to trigger.
For technical drawings and 3-D models, click on a part number.
Lg. | Air Inlet | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stroke | Retracted | Extended | Diagonal Wd. | Force @ 100 psi, lbs. | Body Material | Rod Thread Size | Pipe Size | Thread Size | Thread Type | Gender | Each | |
90° Clockwise Shaft Rotation | ||||||||||||
Sensor-Ready Base Mount | ||||||||||||
16mm Bore Size (29mm Wd.) | ||||||||||||
| 20mm | 88mm | 115mm | __ | 8 | Aluminum | M5 x 0.8 mm | __ | M5 × 0.8 | Metric | Female | 0000000 | 0000000 |
20mm Bore Size (36mm Wd.) | ||||||||||||
| 10mm | 92mm | 112mm | 47mm | 44 | Aluminum | M8 × 1.25 mm | __ | M5 × 0.8 | Metric | Female | 0000000 | 000000 |
| 20mm | 112mm | 142mm | 47mm | 44 | Aluminum | M8 × 1.25 mm | __ | M5 × 0.8 | Metric | Female | 0000000 | 000000 |
25mm Bore Size (40mm Wd.) | ||||||||||||
| 10mm | 93mm | 113mm | 52mm | 78 | Aluminum | M8 × 1.25 mm | __ | M5 × 0.8 | Metric | Female | 0000000 | 000000 |
| 20mm | 113mm | 143mm | 52mm | 78 | Aluminum | M8 × 1.25 mm | __ | M5 × 0.8 | Metric | Female | 0000000 | 000000 |
32mm Bore Size (49mm Wd.) | ||||||||||||
| 10mm | 113mm | 138mm | __ | 122 | Aluminum | M10 x 1.5 mm | 1/8 | __ | BSPT | Female | 0000000 | 000000 |
| 20mm | 133mm | 168mm | __ | 122 | Aluminum | M10 x 1.5 mm | 1/8 | __ | BSPT | Female | 0000000 | 000000 |
90° Counterclockwise Shaft Rotation | ||||||||||||
Sensor-Ready Base Mount | ||||||||||||
16mm Bore Size (29mm Wd.) | ||||||||||||
| 20mm | 88mm | 115mm | __ | 8 | Aluminum | M5 x 0.8 mm | __ | M5 × 0.8 | Metric | Female | 0000000 | 000000 |
20mm Bore Size (36mm Wd.) | ||||||||||||
| 10mm | 92mm | 112mm | 47mm | 44 | Aluminum | M8 × 1.25 mm | __ | M5 × 0.8 | Metric | Female | 0000000 | 000000 |
| 20mm | 112mm | 142mm | 47mm | 44 | Aluminum | M8 × 1.25 mm | __ | M5 × 0.8 | Metric | Female | 0000000 | 000000 |
25mm Bore Size (40mm Wd.) | ||||||||||||
| 10mm | 93mm | 113mm | 52mm | 78 | Aluminum | M8 × 1.25 mm | __ | M5 × 0.8 | Metric | Female | 0000000 | 000000 |
| 20mm | 113mm | 143mm | 52mm | 78 | Aluminum | M8 × 1.25 mm | __ | M5 × 0.8 | Metric | Female | 0000000 | 000000 |
32mm Bore Size (49mm Wd.) | ||||||||||||
| 10mm | 113mm | 138mm | __ | 122 | Aluminum | M10 x 1.5 mm | 1/8 | __ | BSPT | Female | 0000000 | 000000 |
| 20mm | 133mm | 168mm | __ | 122 | Aluminum | M10 x 1.5 mm | 1/8 | __ | BSPT | Female | 0000000 | 000000 |