Fluted Head Thumb Screws

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Stud Length Stud Length

	Grip Style Grip Style


Four Arm	Seven Arm

Five Arm	Ribbed

Eight Arm	Knurled

	Material Material

	Mount Type Mount Type


Threaded Stud	Threaded Hole

	Head Diameter Head Diameter

	Stud Material Stud Material

Steel

Stainless Steel

	Color Color

	Black		Blue
	Green		Orange
	Red		White

	Thread Direction Thread Direction


Right Hand	Left Hand

	Hub Height Hub Height

	Hub Diameter Hub Diameter

	Head Height Head Height

	Length Length

	Cap Color Cap Color

	Black		Gray
	Red		Yellow

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

RoHS Compliant

RoHS Compliant with
Exemptions

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

DFARS Specialty Metals
COTS-Exempt

	Maximum Temperature Maximum Temperature

	Minimum Temperature Minimum Temperature

	Thread Pitch Thread Pitch

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

REACH Compliant

	Threading Threading

	Fully Threaded
	Partially Threaded

	Finish Finish

459 Products

Knobs

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.

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.

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.

Thumb Screws with Holding Tip

Four-Arm Extended-Tip Thumb Screws

Arms provide a flat surface to push your fingers against.

Metric Four-Arm Extended-Tip Thumb Screws

These metric thumb screws have arms that provide a flat surface to push your fingers against.

Large-Diameter Swivel-Tip Thumb Screws

A wide tip provides more gripping power than standard swivel-tip thumb screws. To use, remove the tip, thread the screw through the hole, and attach the tip on the other side.