Press-Fit Head Thumb Screws

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	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

4-40
6-32
8-32
10-24
10-32
1/4"-20
1/4"-28
5/16"-18

5/16"-24

3/8"-16

	Thumb Screw Head Shape Thumb Screw Head Shape


Round	Two Arm

Multi-Lobe	Wing

	Length Length

	Material Material

	Head Diameter Head Diameter

	For Screw Size For Screw Size

	Head Type Head Type


Thumb	Rounded

	Grip Style Grip Style


Knurled	Two Arm

Six Arm	Single Arm

Three Arm	Five Arm

Four Arm

	Head Height Head Height

	Mount Type Mount Type


Press Fit	Clamp On

Threaded Stud

	Threading Threading

	Fully Threaded
	Partially Threaded

	Head Color Head Color

	Thread Type Thread Type

UNC

UNF

Metric

	Thread Pitch Thread Pitch

	Thread Spacing Thread Spacing

Coarse

Fine

	Color Color

	Black		Gray
	Red		Yellow

	Thread Fit Thread Fit

Class 3A

Class 4g6g

	For Screw Head Type For Screw Head Type

Socket Head

Hex Head

	Maximum Temperature Maximum Temperature

	Drive Style Drive Style


Hex	Phillips	Slotted

	Head Width Head Width

	Number of Pieces Number of Pieces

120

140

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338 Products

About Thumb Screw and Binding Post Materials

Knurled Plastic-Head Thumb Screws

A knurled head allows for slip-resistant controlled adjustment.

Metric Knurled Plastic-Head
Thumb Screws

These metric thumb screws have a knurled head for a slip-resistant controlled adjustment.

Two-Arm Plastic-Head Thumb Screws

Arms provide a flat surface to push your fingers against.

Large-Grip Plastic-Head
Thumb Screws

A large head allows you to grip these screws with your entire hand for greater torque while tightening than standard knurled plastic-head thumb screws.

Plastic-Head Thumb
Screws with Hex Drive

Tighten these thumb screws by hand or with a hex key for more torque.

Metric Large-Grip
Plastic-Head Thumb Screws

These metric thumb screws have a large head that allows you to grip them with your entire hand for greater torque while tightening than standard knurled plastic-head thumb screws.

Quarter-Turn Captive Panel Screws with Press-Fit Nut

Rounded Head Quarter-Turn Captive
Panel Screws with Back Press-Fit Nut

Press these rounded head nuts into the backside of a panel in applications where you have access to both sides of the panel. A quarter-turn locks and releases access panels, doors, and covers.

Wing Head Quarter-Turn Captive
Panel Screws with Front Press-Fit Nut

Press these wing head nuts into a closed-end hole or thick panel in applications where the back of the panel is inaccessible. A quarter-turn locks and releases access panels, doors, and covers.

Wing Head Quarter-Turn Captive
Panel Screws with Back Press-Fit Nut

Press these wing head nuts into the backside of a panel in applications where you have access to both sides of the panel. A quarter-turn locks and releases access panels, doors, and covers.

Rounded Head Quarter-Turn Captive
Panel Screws with Front Press-Fit Nut

Press these rounded head nuts into a closed-end hole or thick panel in applications where the back of the panel is inaccessible. A quarter-turn locks and releases access panels, doors, and covers.

Knobs

Screw-Head Mount Knobs

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

Screw-Head Mount Knob Assortments

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.

Oversized-Grip
Screw-Head Mount Knobs

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.

Screw-Head Mount
Knobs with Messages

Use these knobs to display important messages. 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.

Screw-Head Mount
Precise-Control Knobs

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.

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.

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About Thumb Screw and Binding Post Materials

Plastic-Head Thumb Screws

Knurled Plastic-Head Thumb Screws

Metric Knurled Plastic-HeadThumb Screws

Two-Arm Plastic-Head Thumb Screws

Large-Grip Plastic-HeadThumb Screws

Plastic-Head ThumbScrews with Hex Drive

Metric Large-GripPlastic-Head Thumb Screws

Quarter-Turn Captive Panel Screws with Press-Fit Nut

Rounded Head Quarter-Turn CaptivePanel Screws with Back Press-Fit Nut

Wing Head Quarter-Turn CaptivePanel Screws with Front Press-Fit Nut

Wing Head Quarter-Turn CaptivePanel Screws with Back Press-Fit Nut

Rounded Head Quarter-Turn CaptivePanel Screws with Front Press-Fit Nut

Knobs

Screw-Head Mount Knobs

Screw-Head Mount Knob Assortments

Oversized-GripScrew-Head Mount Knobs

Screw-Head MountKnobs with Messages

Screw-Head MountPrecise-Control Knobs

Threaded-Stud Precise-Control Knobs

Metric Knurled Plastic-Head
Thumb Screws

Large-Grip Plastic-Head
Thumb Screws

Plastic-Head Thumb
Screws with Hex Drive

Metric Large-Grip
Plastic-Head Thumb Screws

Rounded Head Quarter-Turn Captive
Panel Screws with Back Press-Fit Nut

Wing Head Quarter-Turn Captive
Panel Screws with Front Press-Fit Nut

Wing Head Quarter-Turn Captive
Panel Screws with Back Press-Fit Nut

Rounded Head Quarter-Turn Captive
Panel Screws with Front Press-Fit Nut

Oversized-Grip
Screw-Head Mount Knobs

Screw-Head Mount
Knobs with Messages

Screw-Head Mount
Precise-Control Knobs