McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Material Material	Show

Zinc

	Material Material	Hide

	For Use In For Use In

	Threaded Insert Type Threaded Insert Type


Tapping	Hammer In

	Anchor Type Anchor Type


Plug	Toggle

Drive	Female Threaded

	Installed Length Installed Length

	Drive Style Drive Style


Hex	External Hex

Drilled Spanner	Tri-Groove

	Drill Bit Size Drill Bit Size

	Nut Type Nut Type


Flange	Hex

Locknut	Screw Mount

Tamper Resistant	Thumb

	Diameter Diameter

	Thread Spacing Thread Spacing

Coarse

Fine

	Screw Size Screw Size

	Thread Direction Thread Direction

	Right Hand

	Flange Diameter Flange Diameter

	Length Length

	Wing Nut Profile Wing Nut Profile


Standard	Flanged

	Thread Fit Thread Fit

Class 2B

Class 6g

Class 6H

	Thread Type Thread Type

Metric

UNC

UNF

	For Maximum Hole Diameter For Maximum Hole Diameter

	Pull-Out Strength Pull-Out Strength

	Head Type Head Type


Rounded	Thumb

	End Type End Type

205 Products

Nuts

Surface-Mount Nuts

Weld, glue, or screw these nuts onto thin materials.

Thumb Nuts

Thumb nuts provide a secure grip for tightening and loosening by hand.

Tamper-Resistant Nuts

Also known as security nuts, these nuts are difficult to remove without special tools.

Other Fasteners

Captive Panel Screws

Secure panels and enclosures while allowing access. Screws become part of the panel when installed, so they won't fall out and get lost.

Threaded Inserts for Wood

Anchors

Wraparound Rope Cleats

Wind rope around these cleats for a secure hold.

T-Slotted Framing Structural Brackets

Connect T-slotted rails and reinforce joints for structural stability.

Mounting Nuts for Shock Absorbers

Combine with mounting blocks to mount and secure threaded-body shock absorbers.

Crank-to-Open Window Openers

Use these openers on casement windows.

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