Vented Bolts | McMaster-Carr

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	Screw Features Screw Features	Show

Vented

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	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


Hex	Socket

Rounded	Flat

Headless

	Material Material

Stainless Steel

	Threading Threading

	Fully Threaded
	Partially Threaded

	Vent Diameter Vent Diameter

	Drive Style Drive Style


External Hex	Hex

	Thread Direction Thread Direction

	Right Hand

	Socket Head Profile Socket Head Profile

	Standard

	Hardness Hardness

Rockwell B70

Rockwell B81

Not Rated

	Head Height Head Height

	Thread Fit Thread Fit

	Thread Pitch Thread Pitch

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

REACH Compliant

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

RoHS Compliant

	Thread Spacing Thread Spacing

Coarse

Fine

	Size Size

	Tensile Strength Tensile Strength

70,000 psi

80,000 psi

Not Rated

	Head Diameter Head Diameter

	Specifications Met Specifications Met

309 Products

Screws and Bolts

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 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.

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.

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.