McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Material Material	Show

Fiberglass

	Material Material	Hide

	Threading Threading

Fully Threaded

Partially Threaded

	Length Length

	Color Color

	Black		Gray
	Red		Light Green

	Maximum Temperature Maximum Temperature

	Minimum Temperature Minimum Temperature

-60° F

-20° F

Not Rated

	Body Style Body Style


Without Shoulder	With Shoulder

	Thread Direction Thread Direction

	Right Hand

	Thread Spacing Thread Spacing

Coarse

Fine

	Head Type Head Type

	Hex

	Eye Style Eye Style

	Closed

	Thread Type Thread Type

UNC

UNF

	Drive Style Drive Style


External Hex	External Square

	Thread Fit Thread Fit

Class 1A

Class 2A

Class 2B

	For Screw Size For Screw Size

	Hardness Hardness

Rockwell M100

Rockwell R115

Not Rated

	Washer Type Washer Type

	Flat

	Nut Type Nut Type


Flange	Hex

Square

	Head Width Head Width

	Head Height Head Height

	Tensile Strength Tensile Strength

Not Rated

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144 Products

Hex Head Screws

Use these general purpose screws for a variety of fastening applications.

Flanged Hex Head Screws

Eliminate the need for a separate washer—these screws distribute pressure where the screw meets the surface without taking up as much space as a washer.

Nuts

Hex Nuts

Use for general purpose fastening applications.

Flange Nuts

The flange distributes pressure where the nut meets the material surface, eliminating the need for a separate washer.

Square Nuts

Large flat sides make these nuts easy to grip with a wrench and keep them from rotating in channels and square holes.

Other Fasteners

Water- and Steam-Resistant
Plastic Washers

Low moisture absorption and heat resistance up to 280° F make these washers suitable for wet and harsh environments.

Plastic Threaded Rods

Plastic threaded rods are chemical resistant, nonconductive, and lightweight.

Webbing Guides

Pull-Through Rope Cleats

Two rotating cams pinch and hold rope as you pull it through.

Routing Eyebolts—Not for Lifting

Use these eyebolts for routing wire and for other light duty applications.

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Hex Head Screws

Hex Head Screws

Flanged Hex Head Screws

Nuts

Hex Nuts

Flange Nuts

Square Nuts

Other Fasteners

Water- and Steam-ResistantPlastic Washers

Plastic Threaded Rods

Webbing Guides

Pull-Through Rope Cleats

Routing Eyebolts—Not for Lifting

Water- and Steam-Resistant
Plastic Washers