Mount these knobs into a threaded hole. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

A rubber coating provides a comfortable grip to position, tighten, and hold fixtures, equipment, and machinery. Mount these knobs into a threaded hole.

Knobs have left-hand threads; they're used in applications where counterclockwise motion can loosen common right-hand threads. Mount them into a threaded hole to position, tighten, and hold fixtures, equipment, and machinery.

Keep a convenient selection of knobs on hand. To build a custom knob or thumb screw, pair one of these knobs with a socket head screw. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

Convert screws into knobs so large you can grip them with heavy work gloves. Slip these knobs onto a hex or socket head screw and tighten the set screw to secure. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

The domed top allows you to firmly hold these knobs in the palm of your hand to position, tighten, and hold fixtures, equipment, and machinery. Install these knobs on a threaded stud.

A rubber coating provides a comfortable grip to position, tighten, and hold fixtures, equipment, and machinery. Install these knobs on a threaded stud.

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.

Mill specific holes or keyways in the hub to meet your specifications, or weld in place. These knobs provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

A handle makes these knobs easy to turn. Mill specific holes or keyways in the hub to meet your specifications, or weld in place. These knobs provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

To build a custom precise-control knob or thumb screw, pair one of these knobs with a socket head screw. Turn the knob to move the screw 0.005" per graduation and make precise adjustments.

A knurled head allows for slip-resistant controlled adjustment.

Fine threads give you precise control.

These steel thumb screws have a black-oxide finish to resist corrosion in dry environments.

These metric thumb screws have a thin, knurled head for use in low-clearance applications. They have a black-oxide finish to resist corrosion in dry environments.

Made from 18-8 stainless steel, these thumb screws are chemical resistant. They have a thin, knurled head for use in low-clearance applications.

These slotted thumb screws have a thin, knurled head for use in low-clearance applications. Made of 18-8 stainless steel, they are chemical resistant.

These slotted thumb screws are slim to fit in tight spaces.

These metric thumb screws are made of chemical-resistant 18-8 stainless steel. They have a raised head that makes them easy to grip.

With a slim profile, these metric thumb screws fit in tight spaces.

A raised head makes these thumb screws easy to grip. They have a black-oxide finish to resist corrosion in dry environments.

Brass thumb screws are corrosion resistant in wet environments and electrically conductive.

These nylon thumb screws are chemical resistant, nonconductive, and lightweight.

Stronger than standard nylon, these thumb screws are chemical resistant, nonconductive, and lightweight. They have a raised head that makes them easy to grip.

These metric thumb screws are made of chemical-resistant 18-8 stainless steel. Also known as dog- and pilot-point thumb screws, insert the point into a drilled hole or slot to hold items in place.

Made from 18-8 stainless steel, these thumb screws are chemical resistant. Also known as dog- and pilot-point thumb screws, insert the point into a drilled hole or slot to hold items in place.