Drilled Head Screws | McMaster-Carr

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	Screw Features Screw Features

	Vented

	Locking Type Locking Type

	Wire

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Thread Type Thread Type

Metric

UNC

UNF

	Length Length

	Head Type Head Type


Socket	Rounded

Hex	Flat

Headless

	Material Material

Stainless Steel

Steel

	Threading Threading

	Fully Threaded
	Partially Threaded

	Drive Style Drive Style


External Hex	Hex	Slotted

	Socket Head Profile Socket Head Profile

	Standard

	Thread Direction Thread Direction

	Right Hand

	Vent Diameter Vent Diameter

	Head Height Head Height

	Thread Fit Thread Fit

	Hardness Hardness

	Head Diameter Head Diameter

	Thread Spacing Thread Spacing

Coarse

Fine

	Size Size

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

RoHS Compliant

	Tensile Strength Tensile Strength

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

REACH Compliant

	Specifications Met Specifications Met

534 Products

Screws and Bolts

Stainless Steel Wire-Lockable Socket Head Screws

Stainless steel screws have excellent corrosion resistance in most environments. Wire these screws together for more vibration resistance than other types of socket head screws.

Alloy Steel Wire-Lockable Socket Head Screws

With a tensile strength of 170,000 psi, these alloy steel screws are among the strongest we carry. They are stronger than Grade 8 steel screws and are more than twice as strong as stainless steel wire-lockable screws. These resist vibration better than any other socket head screw.

Vented Socket Head Screws

Drilled through the head and shaft, these screws vent fluid and gases trapped below the screw, making them good for vacuum applications.

High-Vacuum Cleaned-and-Bagged
Vented Socket Head Screws

Fasten these screws inside a high-vacuum system without bringing in contaminants.

Wire-Lockable Rounded Head Screws

Wire these screws together through the hole in the head for better vibration resistance than any other rounded head screw.

Vented Button Head Screws

These screws are drilled through the shaft to vent fluids and gases trapped under the screw. Made from 18-8 stainless steel, they have good chemical resistance and may be mildly magnetic.

Metric Vented Button Head Screws

To vent fluid and gas trapped under the screw, these metric screws are drilled through the shaft. Made from 18-8 stainless steel, they have good chemical resistance and may be mildly magnetic.

Steel Wire-Lockable Hex Head Screws

These Grade 5 steel screws are over 70% stronger than our stainless steel wire-lockable hex head screws. Wire these screws together through the hole in the head to get more vibration resistance than any other screw.

Stainless Steel Wire-Lockable Hex Head Screws

Made from 18-8 stainless steel, these screws have the best chemical and corrosion resistance of our wire-lockable screws. Wire these screws together for more vibration resistance than other types of hex head screws.

Vented Hex Head Screws

Drilled through the head and shaft, these screws vent fluid and gases trapped below the screw, making them good for vacuum applications.

Vented Flat Head Screws

These screws are drilled through the shaft to vent fluids and gases trapped under the screw.

Metric Vented Flat Head Screws

To vent fluids and gases trapped under the screw, these metric screws are drilled through the shaft.

Vented Cup-Point Set Screws

These inch size set screws are vented to allow fluid and gas to pass through.

Metric Vented Cup-Point Set Screws

These metric set screws are vented to allow fluid and gas to pass through.