McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Thread Type Thread Type

UNC

UNF

Metric

	Material Material

	Thumb Nut Profile Thumb Nut Profile


Standard	Flanged

Low	Narrow

	Nut Type Nut Type


Thumb	Flange

Hex	Locknut

	Head Diameter Head Diameter

	Height Height

	Wing Nut Profile Wing Nut Profile


Standard	Flanged

	Thumb Nut Head Shape Thumb Nut Head Shape

	Width Width

	Collar Diameter Collar Diameter

	Collar Height Collar Height

	Thread Spacing Thread Spacing

Coarse

Fine

	Base Diameter Base Diameter

	Finish Finish

Zinc Plated

Black Oxide

Black Ultra-Corrosion-
Resistant Coated

Black Zinc

Passivated

	Threading Threading

	Fully Threaded
	Partially Threaded

	Thread Pitch Thread Pitch

	Thread Fit Thread Fit

Class 2B

Class 6H

	Flange Diameter Flange Diameter

	Color Color

	Black
	Off-White

	Flange Thickness Flange Thickness

	Thread Depth Thread Depth

389 Products

Thumb Nuts

Wing Thumb Nuts

Wings provide more leverage than knurled-head thumb nuts for greater torque while tightening

Knurled-Head Thumb Nuts

The head is knurled for a slip-resistant controlled adjustment.

Hex-Head Thumb Nuts

Tighten these thumb nuts with a wrench for more torque while fastening.

Sanitary Spade-Head Thumb Nuts

Cover and protect threads in sanitary environments, such as food-processing or pharmaceutical plants.

Fastener Assortments

Nut Assortments

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