McMaster-Carr

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	Material Material

Brass

Bronze

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

0-80
1-72
2-56
3-48
4-40
5-40
6-32
8-32
10-24
10-32
12-24
1/4"-20
5/16"-18
3/8"-16
1/2"-13
5/8"-11
3/4"-10
M2
M2.5
M3
M4
M5
M6
M8
M10
M12

	Thread Type Thread Type

UNC

UNF

Metric

	Head Type Head Type


Flat	Rounded

Hex	Socket

Oval

	Length Length

	Drive Style Drive Style


Slotted	Hex

External Hex	Phillips

	Threading Threading

	Fully Threaded
	Partially Threaded

	Head Diameter Head Diameter

	Head Height Head Height

	Thread Spacing Thread Spacing

Coarse

Fine

	Flat Head Profile Flat Head Profile


Standard	Undercut

	Tensile Strength Tensile Strength

50,000 psi

70,000 psi

Not Rated

	Thread Fit Thread Fit

Class 2A

Class 3A

Class 6g

	Hardness Hardness

	Specifications Met Specifications Met

ASME

DIN

ISO

	Countersink Angle Countersink Angle

82°

90°

	Drive Size Drive Size

	Thread Pitch Thread Pitch

	Rounded Head Style Rounded Head Style


Button	Carriage

	Rounded Head Profile Rounded Head Profile

Standard

Wide

	Oval Head Profile Oval Head Profile


Standard	Undercut

	Head Width Head Width

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596 Products

About Flat Head Screws

Brass Slotted Flat Head Screws

Brass screws are electrically conductive, nonmagnetic, and have good corrosion resistance.

Metric Brass Slotted
Flat Head Screws

These metric brass screws are electrically conductive, nonmagnetic, and have good corrosion resistance.

Brass Slotted Oval Head Screws

Brass screws are electrically conductive, nonmagnetic, and have good corrosion resistance.

Metric Brass Slotted
Oval Head Screws

These metric brass screws are electrically conductive, nonmagnetic, and have good corrosion resistance.

Brass Phillips Flat Head Screws

Brass screws are electrically conductive, nonmagnetic, and have good corrosion resistance.

Metric Brass Phillips
Flat Head Screws

These metric brass screws are electrically conductive, nonmagnetic, and have good corrosion resistance.

Brass Hex Drive Flat Head Screws

Brass screws are electrically conductive, nonmagnetic, and have good corrosion resistance.

Metric Brass Hex Drive
Flat Head Screws

These metric brass screws are electrically conductive, nonmagnetic, and have good corrosion resistance.

Brass Button Head Hex Drive Screws

Brass button head screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.

Metric Brass Button
Head Hex Drive Screws

Made from brass, these metric button head screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.

Bronze Hex Head Screws

Bronze screws are 30% stronger than brass screws and provide more corrosion resistance to salt water, gases, and sewage. They are nonmagnetic and electrically conductive.

Bronze Socket Head Screws

Bronze screws are about 40% stronger than brass screws and provide more corrosion resistance to salt water, gases, and sewage. They are nonmagnetic and electrically conductive.

Brass Socket Head Screws

Brass screws are electrically conductive, nonmagnetic, and have good corrosion resistance.

Bronze Square-Neck Carriage Bolts

Bronze bolts are resistant to salt water, electrically conductive, and nonmagnetic. Carriage bolts have a smooth, rounded head for a finished look. The square neck keeps these bolts from turning when tightening a nut.

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About Flat Head Screws

Screws and Bolts

Brass Slotted Flat Head Screws

Metric Brass SlottedFlat Head Screws

Brass Slotted Oval Head Screws

Metric Brass SlottedOval Head Screws

Brass Phillips Flat Head Screws

Metric Brass PhillipsFlat Head Screws

Brass Hex Drive Flat Head Screws

Metric Brass Hex DriveFlat Head Screws

Brass Button Head Hex Drive Screws

Metric Brass ButtonHead Hex Drive Screws

Bronze Hex Head Screws

Bronze Socket Head Screws

Brass Socket Head Screws

Bronze Square-Neck Carriage Bolts

Metric Brass Slotted
Flat Head Screws

Metric Brass Slotted
Oval Head Screws

Metric Brass Phillips
Flat Head Screws

Metric Brass Hex Drive
Flat Head Screws

Metric Brass Button
Head Hex Drive Screws