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Thumb Screw Head Shape Thumb Screw Head Shape |
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Threading Threading |
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Round-Head Thumb Screw Profile Round-Head ThumbScrew Profile |
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About Thumb Screw and Binding Post Materials
More
Threaded-Stud Knobs
Mount these knobs into a threaded hole. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Steel knobs are stronger than iron. They have a black-oxide finish for mild rust resistance.
Stainless steel knobs have excellent corrosion resistance, making them the best choice for harsh environments. They also have good chemical resistance.
Brass knobs have good corrosion resistance and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Threaded-Hole Knobs
Install these knobs on a threaded stud. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Steel knobs have a black-oxide finish for mild rust resistance.
Stainless steel knobs have excellent corrosion resistance, making them the best choice for harsh environments. They also have good chemical resistance.
Brass knobs have good corrosion resistance and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Threaded Through-Hole Knobs
Long shafts can thread through these knobs for mounting versatility. The knobs provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Steel knobs are stronger than iron. Those with a black-oxide finish have mild rust resistance.
Stainless steel knobs have excellent corrosion resistance, making them the best choice for harsh environments. They also have good chemical resistance.
For technical drawings and 3-D models, click on a part number.
Threaded-Hole Ball Knobs
Install these traditional, easy-to-grip ball knobs on a threaded stud. They're good for control levers and push-pull rods.
Brass knobs have good corrosion resistance and are nonmagnetic.
Plastic knobs are a lightweight alternative to metal. They resist oil, grease, and solvents. Phenolic has good scratch resistance.
For technical drawings and 3-D models, click on a part number.
Ball-Lever Shafts
Attach a ball knob (not included) to one of these shafts to create custom handles for operating machinery. Mount the other end into a threaded hole. These shafts can also be used to create your own gear levers.
Steel shafts have a black-oxide finish for mild rust resistance.
Stainless steel shafts have excellent corrosion resistance, making them the best choice for harsh environments. They also have good chemical resistance.
For technical drawings and 3-D models, click on a part number.
Thread | Stud | Each | ||||||
|---|---|---|---|---|---|---|---|---|
| Size | Lg. 1 | Lg. 2 | Handle Lg. | Dia. | Stud Material | 1-9 | 10-Up | |
Threaded Stud | ||||||||
Black-Oxide Steel | ||||||||
| 1/4"-28 | 3/8" | 1/4" | 1 3/4" | 3/8" | Steel | 0000000 | 00000 | 00000 |
| 1/4"-28 | 1/2" | 3/8" | 5" | 3/8" | Steel | 0000000 | 0000 | 0000 |
303 Stainless Steel | ||||||||
| 1/4"-28 | 3/8" | 1/4" | 1 3/4" | 3/8" | 303 Stainless Steel | 0000000 | 00000 | 00000 |
| 1/4"-28 | 1/2" | 3/8" | 5" | 3/8" | 303 Stainless Steel | 0000000 | 00000 | 00000 |
Corrosion-Resistant Create-Your-Own
Push/Pull Control Cables
Well-suited for damp environments, these control cables have stainless steel fittings for excellent corrosion resistance. Pair them with a knob or lever (not included) to operate valves, throttle controls, and HVAC damper controls from a distance. They're flexible for weaving around obstructions.
Clamp-mount cables have threaded fittings on both ends and a grooved body for mounting with strap clamps or U-bolts.
Panel-mount cables are also known as bulkhead mount cables. They have threaded fittings with hex nuts and washers at each end for mounting through a panel.
Thread | Dynamic Load Cap., lbs. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Lg. | O'all Lg., ft. | Max. Stroke Lg. | Push | Pull | Bend Radius | Temp. Range, °F | For Clamp Hole Dia. | Fitting Lg. | Each | |
Steel Cable Core with Plastic Cover | |||||||||||
| 1/4"-28 | 1" | 5 | 3" | 125 | 230 | 3" | -65° to 230° | 21/32" | 10 1/4" | 0000000 | 000000 |
Thread | Dynamic Load Cap., lbs. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Lg. | O'all Lg., ft. | Max. Stroke Lg. | Push | Pull | Bend Radius | Temp. Range, °F | For Panel Cutout Dia. | Fitting Lg. | Each | |
Steel Cable Core with Plastic Cover | |||||||||||
| 1/4"-28 | 1" | 5 | 3" | 125 | 230 | 3" | -65° to 230° | 21/32" | 11 3/16" | 0000000 | 000000 |
| For Thread Size | Material | Each | |
| 1/4"-28 | Stainless Steel | 0000000 | 00000 |
| For Thread Size | Material | Each | |
| 1/4"-28 | Zinc-Plated Carbon Steel | 0000000 | 00000 |
| For Thread Size | Material | Includes | Each | |
| 1/4"-28 | Carbon Steel | Clevis Pin, Cotter Pin | 0000000 | 00000 |
Dynamic Load Cap., lbs. | ||||||||
|---|---|---|---|---|---|---|---|---|
| For Thread Size | For Max. Stroke Lg. | Push | Pull | Length | Height | Material | Each | |
| 1/4"-28 | 3" | 200 | 200 | 5 3/8" | 15 1/2" | Zinc-Plated Steel | 0000000 | 000000 |
Low-Friction Create-Your-Own Push/Pull Control Cables
A splined core limits contact points on the cable’s liner, so the core slides back and forth smoothly and keeps the cable from twisting. Pair these cables with a knob or lever (not included) to operate valves, throttle controls, and HVAC damper controls from a distance. They're flexible for weaving around obstructions.
Clamp-mount cables have threaded fittings on both ends and a grooved body for mounting with strap clamps or U-bolts.
Panel-mount cables are also known as bulkhead mount cables. They have threaded fittings with hex nuts and washers at each end for mounting through a panel.
Thread | Dynamic Load Cap., lbs. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Lg. | O'all Lg., ft. | Max. Stroke Lg. | Push | Pull | Bend Radius | Temp. Range, °F | For Clamp Hole Dia. | Fitting Lg. | Each | |
Steel Cable Core with Plastic Cover | |||||||||||
| 1/4"-28 | 1" | 3 | 3" | 130 | 170 | 8" | -40° to 210° | 9/16" | 8 3/8" | 0000000 | 000000 |
| 1/4"-28 | 1" | 4 | 3" | 130 | 170 | 8" | -40° to 210° | 9/16" | 8 3/8" | 0000000 | 00000 |
| 1/4"-28 | 1" | 6 | 2" | 150 | 170 | 8" | -40° to 210° | 9/16" | 6 7/8" | 0000000 | 00000 |
| 1/4"-28 | 1" | 6 | 3" | 130 | 170 | 8" | -40° to 210° | 9/16" | 8 3/8" | 0000000 | 00000 |
| 1/4"-28 | 1" | 6 | 4" | 110 | 170 | 8" | -40° to 210° | 9/16" | 9 7/8" | 0000000 | 00000 |
| 1/4"-28 | 1" | 15 | 4" | 110 | 170 | 8" | -40° to 210° | 9/16" | 9 7/8" | 0000000 | 00000 |
Thread | Dynamic Load Cap., lbs. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Lg. | O'all Lg., ft. | Max. Stroke Lg. | Push | Pull | Bend Radius | Temp. Range, °F | For Panel Cutout Dia. | Fitting Lg. | Each | |
Steel Cable Core with Plastic Cover | |||||||||||
| 1/4"-28 | 1" | 3 | 3" | 130 | 170 | 8" | -40° to 210° | 5/8" | 9 25/64" | 0000000 | 000000 |
| 1/4"-28 | 1" | 4 | 3" | 130 | 170 | 8" | -40° to 210° | 5/8" | 9 25/64" | 0000000 | 00000 |
| 1/4"-28 | 1" | 6 | 2" | 150 | 170 | 8" | -40° to 210° | 5/8" | 7 57/64" | 0000000 | 00000 |
| 1/4"-28 | 1" | 6 | 3" | 130 | 170 | 8" | -40° to 210° | 5/8" | 9 25/64" | 0000000 | 00000 |
| 1/4"-28 | 1" | 6 | 4" | 110 | 170 | 8" | -40° to 210° | 5/8" | 10 57/64" | 0000000 | 00000 |
| 1/4"-28 | 1" | 15 | 4" | 110 | 170 | 8" | -40° to 210° | 5/8" | 10 57/64" | 00000000 | 00000 |
| For Thread Size | Material | Each | |
| 1/4"-28 | Steel | 0000000 | 00000 |
| For Thread Size | Material | Each | |
| 1/4"-28 | Zinc-Plated Carbon Steel | 0000000 | 00000 |
| For Thread Size | Material | Includes | Each | |
| 1/4"-28 | Carbon Steel | Clevis Pin, Cotter Pin | 0000000 | 00000 |
Dynamic Load Cap., lbs. | ||||||||
|---|---|---|---|---|---|---|---|---|
| For Thread Size | For Max. Stroke Lg. | Push | Pull | Length | Height | Material | Each | |
| 1/4"-28 | 3" | 200 | 200 | 5 3/8" | 15 1/2" | Zinc-Plated Steel | 0000000 | 000000 |
Pull Control Cables
Similar to the brake cable on a bicycle, these cables exert pulling force so you can control components such as latches, release valves, and brakes. When you relax your pull, springs in your component pull the cable back. To connect these cables, anchor them on both ends through a panel or bulkhead using the included nuts. They have a steel core, but they’re flexible so you can weave them around obstacles and corners to connect to hard-to-reach components. Surrounding the cable is a plastic cover that stays in place as the cable slides through smoothly. The cover is durable and protects the cable from dirt and abrasion.
Once they’re connected, control these cables using a knob or handle. Some come with a knob attached, but add your own otherwise.
Cable | Thread | Knob | Panel-Mount Cables | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OD | Core Dia. | Size | Lg. | O'all Lg., ft. | Max. Stroke Lg. | Dynamic Pull Load Cap., lbs. | Bend Radius | Material | Dia. | Temp. Range, °F | Mounting Hardware Included | For Panel Cutout Dia. | Fitting Lg. | Each | |
Steel Cable Core with Plastic Cover | |||||||||||||||
With Knob | |||||||||||||||
| 0.44" | 0.125" | 1/4"-28 | 7/8" | 6 | 2" | 500 | 6" | Plastic | 2 1/2" | -65° to 225° | Yes | 39/64" | 9 1/8" | 00000000 | 000000 |
| 0.44" | 0.125" | 1/4"-28 | 7/8" | 10 | 3" | 500 | 6" | Plastic | 2 1/2" | -65° to 225° | Yes | 39/64" | 11 1/8" | 00000000 | 00000 |
Stainless Steel Flared-Collar Knurled-Head Thumb Screws
Made from 18-8 stainless steel, these thumb screws are chemical resistant and may be mildly magnetic. They have a slightly raised head and a decorative flared collar. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the flange.
For technical drawings and 3-D models, click on a part number.
Head | Collar | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Dia. | Ht. | Tensile Strength, psi | Hardness | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
1/4"-28 | |||||||||
| 3/8" | 37/64" | 1/4" | 1/2" | 1/8" | 80,000 | Rockwell B85 | 1 | 000000000 | 00000 |
| 7/16" | 37/64" | 1/4" | 1/2" | 1/8" | 80,000 | Rockwell B85 | 1 | 000000000 | 0000 |
| 1/2" | 37/64" | 1/4" | 1/2" | 1/8" | 80,000 | Rockwell B85 | 1 | 000000000 | 0000 |
| 5/8" | 37/64" | 1/4" | 1/2" | 1/8" | 80,000 | Rockwell B85 | 1 | 000000000 | 0000 |
| 3/4" | 37/64" | 1/4" | 1/2" | 1/8" | 80,000 | Rockwell B85 | 1 | 000000000 | 0000 |
| 7/8" | 37/64" | 1/4" | 1/2" | 1/8" | 80,000 | Rockwell B85 | 1 | 000000000 | 0000 |
| 1" | 37/64" | 1/4" | 1/2" | 1/8" | 80,000 | Rockwell B85 | 1 | 000000000 | 0000 |
| 1 1/4" | 37/64" | 1/4" | 1/2" | 1/8" | 80,000 | Rockwell B85 | 1 | 000000000 | 0000 |
Narrow Knurled-Head Thumb Screws
Use these slim thumb screws in tight spaces. Made from 18-8 stainless steel, they're chemical resistant and may be mildly magnetic. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Slotted Narrow Knurled-Head Thumb Screws
These thumb screws are slim to fit in tight spaces. Made from 18-8 stainless steel, they're chemical resistant and may be mildly magnetic. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Large-Grip Plastic-Head Thumb Screws
These thumb screws have a large head that allows you to grip them with your entire hand for greater torque while tightening than standard knurled plastic-head thumb screws. They have a lightweight and nonconductive plastic head and chemical-resistant 18-8 stainless steel threads. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Dia. | Ht. | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||
1/4"-28 | ||||||||
| 3/8" | Fully Threaded | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 000000 |
| 1/2" | Fully Threaded | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 5/8" | Fully Threaded | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 7/8" | Fully Threaded | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1" | Fully Threaded | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
Knurled Plastic-Head Thumb Screws
These thumb screws have a knurled head for a slip-resistant controlled adjustment. They have a lightweight and nonconductive plastic head and chemical-resistant 18-8 stainless steel threads. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Dia. | Ht. | Temperature Range, °F | Choose a Head Color | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||
1/4"-28 | ||||||||
| 3/8" | Fully Threaded | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 00000 | |
| 1/2" | Fully Threaded | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 0000 | |
| 5/8" | Fully Threaded | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 0000 | |
| 3/4" | Fully Threaded | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 0000 | |
| 7/8" | Fully Threaded | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 00000 | |
| 1" | Fully Threaded | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 00000 | |
| 1 1/4" | Fully Threaded | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 00000 | |
Plastic-Head Thumb Screws with Hex Drive
Tighten these thumb screws by hand or with a hex key for more torque. They have a lightweight and nonconductive plastic head and chemical-resistant 18-8 stainless steel threads. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Dia. | Ht. | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
1/4"-28 | |||||||||
| 3/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 000000 |
| 1/2" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 5/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1 1/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1 3/8" | Partially Threaded | 1" | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |