Smooth Knobs | McMaster-Carr

Filter by

System of Measurement

Thread Size

Mount Type

Material

Handle Style

Grip Style

Head Diameter

Stud Length

Handle Type

Handle Length

Diameter

Color

Hole Diameter

Hole Shape

Hub Height

Hub Diameter

Thread Depth

Maximum Temperature

Thread Pitch

Finish

REACH Compliance

RoHS Compliance

DFARS Compliance

Forward

How can we improve?

119 Products

Knobs

Threaded-Hole Knobs

Install these knobs on a threaded stud. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

Comfort-Grip Indicating Knobs

A rubber coating or construction provides a comfortable grip. Use these knobs to control devices with round or D-shaped shafts and view settings at a glance with a pointer.

Machine Handles

Tapered Lever Handles

Use these handles as grips on hand wheels and cranks to operate machinery.

Miniature Tapered Lever Handles

Also known as finger handles, these are less than 1" long. Use them as tiny grips on small hand wheels and cranks to operate machinery.

Metal-Detectable Tapered Lever Handles

These handles are often used as grips on hand wheels or cranks to operate machinery around food processing lines without the risk of contaminating the food. Install them on a threaded stud.

Push-On Tapered Lever Handles

Press fit one of these handles into a shaft, rod, or hand wheel to operate machinery.

Pull Knobs

Threaded-Hole Pull Knobs

Thread a screw through a hole from the back of your surface into the knobs to open and close a variety of doors and drawers, including those on furniture, machines, and equipment.

Unthreaded-Hole Pull Knobs

Create custom threads to secure these handles to the front of your surface from the backside. Use them to open and close a variety of doors and drawers, including those on furniture, machines, and equipment.

Unthreaded Through-Hole Pull Knobs

Fasten these knobs directly to the front of your surface to open and close a variety of doors and drawers, including those on furniture, machines, and equipment.

Sanitary Threaded-Stud Pull Knobs

Thread these sanitary knobs into holes so you can open doors and drawers in hygienic environments.

Sanitary Threaded-Hole Pull Knobs

With a sanitary design, these threaded-hole knobs are often used to open and close doors and drawers on furniture, machines, and other equipment in pharmaceutical and food-processing facilities.