Knurled knob that exerts positive, repeatable force. Clockwise, the knob declutches and turns freely when you reach the desired torque. Counterclockwise, the knob locks for positive retraction. Can be used as a controlled-torque nut, or as a thumb screw by installing a custom-made screw in the tapped hole.

Classic, easy-to-grip aluminum clamping knob. Four-prong design provides a firm grip for applications requiring quick tightening and high torque.

Heavy-duty knob that can be turned easily by hand, then tightened by inserting a bar between the prongs.

Classic, easy-to-grip cast iron clamping knob. Four-prong design provides a firm grip for applications requiring quick tightening and high torque.

Star Knobs have five lobes to provide a firm, sure grip for applications requiring quick tightening and high torque. This cushion-grip version is made from a unique plastic that feels soft to the touch, comfortable yet rugged. Smooth, rounded lobes to prevent snagging. Textured non-slip, non-glare finish. Molded-in brass insert provides superior thread strength.

Hand knob with a clamping screw cast securely in place. Four-prong design provides a firm grip for applications requiring quick tightening and high torque.

Hand knob assembly with a removable swivel foot. Clamping screw is cast securely in the knob. Four-prong design provides a firm grip for applications requiring quick tightening and high torque.

High-quality knurled-head knob provides a positive grip for quick finger tightening in light clamping applications. Available in steel with a black oxide finish or stainless steel.

Attractive design suitable for many applications, including control levers and push/pull rods. Choice of two materials: (1) phenolic plastic, our most popular, with a hard smooth shiny finish; (2) cushion-grip plastic, a unique material that feels soft to the touch, comfortable yet rugged. Both material types have a molded-in brass insert that provides superior thread strength.

Polished full-grip aluminum hand knob with a fluted edge

Large easy-grip phenolic knob that is excellent for either fine-adjustment or high-torque applications. Molded-in brass insert provides superior thread strength.

Easy-grip phenolic knob. Four-prong design provides a firm grip for applications requiring quick tightening and high torque. Molded-in brass insert provides superior thread strength. Also available with molded-in steel stud.

Small, easy-grip phenolic knob. Knurled head provides a positive grip for finger tightening in light clamping applications. Molded-in brass insert provides superior thread strength. Also available with molded-in steel stud.

T-Handle Knobs provide maximum leverage for high clamping force. Phenolic plastic has a hard, smooth, shiny finish. Molded-in brass insert provides superior thread strength.

Quick-acting four-prong knob that slides in and out of clamping position, ideal when the knob must be completely removed for loading. Tilt knob to slide in, then straighten to engage threads and tighten. To remove, loosen knob, then tilt to slide out. Four-prong design provides a firm grip for applications requiring quick tightening and high torque.

Quick-acting knob that slides in and out of clamping position, ideal when the knob must be completely removed for loading. Tilt knob to slide in, then straighten to engage threads and tighten. To remove, loosen knob, then tilt to slide out.

High-quality, stainless steel knob with a beautiful polished finish. Four-prong design provides a firm grip for applications requiring quick tightening and high torque.

Thermoplastic knob with a textured non-slip, non-glare finish. Large easy-grip knob that is excellent for either fine-adjustment or high-torque applications. Molded-in brass insert provides superior thread strength.

Thermoplastic knob with a textured non-slip, non-glare finish. Four-prong design provides a firm grip for applications requiring quick tightening and high torque. Molded-in brass insert provides superior thread strength.

Small, easy-grip thermoplastic knob. Knurled head provides a positive grip for finger tightening in light clamping applications. Molded-in brass insert provides superior thread strength.

Star Knobs have five lobes to provide a firm, sure grip for applications requiring quick tightening and high torque. These thermoplastic knobs have smooth, rounded lobes to prevent snagging. Textured non-slip, non-glare finish. Molded-in brass insert provides superior thread strength.

T-Handle Knobs provide maximum leverage for high clamping force. Thermoplastic material has a textured non-slip, non-glare finish. Molded-in brass insert provides superior thread strength.

Thermoplastic knob with a textured non-slip, non-glare finish. Modern three-prong design provides quick tightening and high torque. Molded-in brass insert provides superior thread strength.