Steel Carriage and Plow Bolts

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Steel

	Material Material	Hide

Steel

Stainless Steel

Bronze

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Length Length

	Neck Type Neck Type


Square	Knurled

Key Locking

	Finish Finish

Zinc Plated

Zinc Yellow-Chromate Plated

Black Oxide

Hot-Dipped Galvanized

Zinc-Aluminum Coated

	Fastener Strength Grade/Class Fastener Strength Grade/Class


Grade 2	Grade 5

Grade 8	Class 8.8

	Head Type Head Type


Rounded	Flat

Oval

	Threading Threading

	Fully Threaded
	Partially Threaded

	Head Diameter Head Diameter

	Head Height Head Height

	Neck Width Neck Width

	Tensile Strength Tensile Strength

	Neck Length Neck Length

	Hardness Hardness

	Specifications Met Specifications Met

	Thread Spacing Thread Spacing

Coarse

	Thread Type Thread Type

UNC

Metric

	Thread Pitch Thread Pitch

	Thread Fit Thread Fit

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

DFARS Specialty Metals
COTS-Exempt

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

RoHS Compliant

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

REACH Compliant

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597 Products

About Hex Head Screws and Bolts

Medium-Strength Grade 5 Steel
Square-Neck Carriage Bolts

Twice as strong as low-strength steel bolts, these bolts are suitable for fastening most machinery and equipment. Carriage bolts have a smooth, rounded head for a finished look. The square neck keeps these bolts from turning when tightening a nut.

Medium-Strength Metric Class 8.8
Steel Square-Neck Carriage Bolts

Choose these metric bolts for fastening most machinery and equipment. They are twice as strong as low-strength steel bolts. Carriage bolts have a smooth, rounded head for a finished look. The square neck keeps these bolts from turning when tightening a nut.

High-Strength Grade 8 Steel
Square-Neck Carriage Bolts

Made from Grade 8 steel, these bolts can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. Carriage bolts have a smooth, rounded head for a finished look. The square neck keeps these bolts from turning when tightening a nut.

Low-Strength Steel Square-Neck Carriage Bolts

About half the strength of medium-strength bolts, these Grade 2 bolts are for light duty fastening. Carriage bolts have a smooth, rounded head for a finished look. The square neck keeps these bolts from turning when tightening a nut.

Medium-Strength Grade 5 Steel
Knurled-Neck Carriage Bolts

These bolts are suitable for fastening most machinery and equipment. Carriage bolts have a smooth, rounded head for a finished look. The knurled neck grips the inside of the hole to keep these bolts from turning when tightening a nut.

Low-Strength Steel Knurled-Neck Carriage Bolts

About half the strength of medium-strength bolts, these bolts are for light duty fastening. Carriage bolts have a smooth, rounded head for a finished look. The knurled neck grips the inside of the hole to keep these bolts from turning when tightening a nut.

Square-Neck Flat Head Plow Bolts

Used on heavy equipment, such as plows, these bolts have a smooth head that's angled underneath to sit flush within countersunk holes. The square neck keeps these bolts from turning when tightening a nut.

Square-Neck Oval Head Plow Bolts

The thicker, domed head on these bolts provides greater wear resistance than flat head plow bolts. The underside of the head is angled to sit flush within countersunk holes for use on heavy equipment, such as plows. The square neck keeps these bolts from turning when tightening a nut.

Key-Locking Plow Bolts

Also known as reverse-key plow screws and bucket-tooth bolts, these bolts have a locking key that keeps them from turning when tightening a nut. Often used on heavy equipment, such as plows, they have a head that's angled underneath to sit flush within countersunk holes.

About Hex Head Screws and Bolts

Screws and Bolts

Medium-Strength Grade 5 SteelSquare-Neck Carriage Bolts

Medium-Strength Metric Class 8.8Steel Square-Neck Carriage Bolts

High-Strength Grade 8 SteelSquare-Neck Carriage Bolts