Threaded Hand Knobs | McMaster-Carr

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	Mount Type Mount Type


Threaded Stud	Threaded Hole

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Grip Style Grip Style


Ball	Eight Arm

Five Arm	Four Arm

Knurled	Ribbed

Seven Arm	Single Arm

Six Arm	Smooth

Three Arm	Two Arm

	Material Material

	Stud Length Stud Length

	Head Diameter Head Diameter

	Color Color

	Black		Red
	Blue		Green
	Orange		White

	Thread Direction Thread Direction


Right Hand	Left Hand

	Hub Height Hub Height

	Hub Diameter Hub Diameter

	Stud Material Stud Material

Steel

Stainless Steel

	Head Height Head Height

	Thread Depth Thread Depth

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	Insert Material Insert Material

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Hole Shape Hole Shape

	Round

	Maximum Temperature Maximum Temperature

	Minimum Temperature Minimum Temperature

-25° F or less

-24° to 0° F

Greater than 0° F

	Cap Color Cap Color

	Black		Gray
	Red		Yellow

	Thread Pitch Thread Pitch

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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1,380 Products

Threaded-Stud Knobs

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

Choose-a-Color Threaded-Stud Knobs

Identify equipment controls and components at a glance by their color. Mount these knobs into a threaded hole. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

Comfort-Grip Threaded-Stud Knobs

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

Easy-Clean Threaded-Stud Knobs

Suitable for food-processing areas, these one-piece knobs have no joints to collect dirt or debris. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery. Mount them into a threaded hole.

Palm-Grip Threaded-Stud Knobs

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. Mount them into a threaded hole.

Vibration-Resistant Threaded-Stud Knobs

Bonded to the stud is an acrylic adhesive that adds friction to resist loosening from vibration. Use these knobs to position, tighten, and hold fixtures, equipment, and machinery. They mount into a threaded hole.

Tethered Threaded-Stud Knobs

Never lose these knobs—tether them to equipment to keep them where you need them. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery. Mount them into a threaded hole.

Left-Hand Threaded-Stud Knobs

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.

Metal-Detectable Threaded-Stud Knobs

Made for use in food processing facilities, these plastic knobs have a metal additive that sets off metal detectors if a piece breaks off into your line.

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.

Choose-a-Color Threaded Through-Hole Knobs

Identify equipment controls and components at a glance by their color. Long shafts can thread through these knobs for mounting versatility. Use the knobs as a grip to position, tighten, and hold fixtures, equipment, and machinery.

Comfort-Grip Threaded Through-Hole Knobs

A rubber coating provides a comfortable grip to position, tighten, and hold fixtures, equipment, and machinery. Long shafts can thread through these knobs for mounting versatility.

Vibration-Resistant Threaded Through-Hole Knobs

Like locknuts, these knobs have a nylon insert that grips threads to resist loosening. Long shafts can thread through these knobs for mounting versatility. Use the knobs as a grip to position, tighten, and hold fixtures, equipment, and machinery.

Quick-Lock Threaded Through-Hole Knobs

Quick to install, position, and remove, these knobs have an angled hole that allows you to tilt the knob to slide it over threads, then straighten it to grip the threads and secure the knob. They provide a firm grip to position, tighten, and hold fixtures, equipment, and machinery.

Threaded-Hole Knobs

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

Choose-a-Color Threaded-Hole Knobs

Identify equipment controls and components at a glance by their color. Install these knobs on a threaded stud. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

Comfort-Grip Threaded-Hole Knobs

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

Palm-Grip Threaded-Hole Knobs

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.

Tethered Threaded-Hole Knobs

Never lose these knobs—tether them to equipment to keep them where you need them. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery. Install them on a threaded stud.

Sanitary Threaded-Hole Knobs

Designed for sanitary environments, these knobs are commonly used in pharmaceutical and food-processing facilities. Install them on threaded studs to position, tighten, and hold equipment.

Metal-Detectable Threaded-Hole Knobs

Position, tighten, and hold fixtures, equipment, and machinery near food processing lines without the risk of contaminating the food. Install these knobs on a threaded stud.

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.

Oval Threaded-Hole Ball Knobs

Mount these oval, easy-to-grip ball knobs on a threaded stud. They're good for control levers and push-pull rods.

Comfort-Grip Threaded-Hole Ball Knobs

A rubber coating provides a comfortable grip. Good for control levers and push-pull rods, these easy-to-grip ball knobs install on a threaded stud.

Glow-in-the-Dark Threaded-Hole Ball Knobs

Expose these easy-to-grip ball knobs to light and they will glow green in the dark. Use them on control levers, push-pull rods, and emergency release handles. They mount on a threaded stud.

Threaded-Stud Precise-Control Knobs

Mount these knobs into a threaded hole. Turn the knob to move the stud 0.005" per graduation and make precise adjustments.

Threaded Through-Hole Bar Knobs

Install these knobs on a threaded stud. Insert a bar between the arms and twist. The bar provides maximum leverage to tighten knobs securely.

Torque-Limiting Knobs

Set torque with a hex key to prevent overtightening that can damage sensitive equipment.

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.

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.