Nonmetallic Cap Screws | McMaster-Carr

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	Material Material

Plastic

Fiberglass

Ceramic

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Length Length

	Head Type Head Type


Socket	Rounded

Hex	Flat

	Color Color

	Off-White
	Black
	White
	Beige
	Gray
	Semi-Clear
	Clear
	Dark Blue
	Dark Brown
	Dark Green
	Dark Red
	Light Brown
	Light Gray
	Silver
	Tan

	Drive Style Drive Style


Hex	External Hex

Phillips	Slotted

	Threading Threading

	Fully Threaded
	Partially Threaded

	Head Diameter Head Diameter

	Head Height Head Height

	Maximum Temperature Maximum Temperature

	Thread Type Thread Type

UNC

UNF

Metric

	Thread Direction Thread Direction

	Right Hand

	Thread Fit Thread Fit

	Thread Spacing Thread Spacing

Coarse

Fine

	Tensile Strength Tensile Strength

Less than 40,000 psi

Not Rated

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

DFARS Specialty Metals
COTS-Exempt

	Minimum Temperature Minimum Temperature

	Hardness Hardness

Not Rated

	Rounded Head Style Rounded Head Style


Pan	Cheese

Round	Fillister

Binding

	Socket Head Profile Socket Head Profile

	Standard

	Drive Size Drive Size

	Countersink Angle Countersink Angle

82°

90°

100°

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1,536 Products

Plastic Socket Head Screws

Plastic screws are chemical and oil resistant, nonconductive, and lightweight.

Rounded Head Screws

Nylon Pan Head Phillips Screws

Nylon pan head screws are chemical and oil resistant, nonconductive, and lightweight. Exposure to moisture may cause them to expand.

Metric Nylon Pan Head Phillips Screws

Made from nylon, these metric pan head screws are chemical and oil resistant, nonconductive, and lightweight. Exposure to moisture may cause them to expand.

Impact-Resistant Polycarbonate
Pan Head Phillips Screws

Polycarbonate screws resist breaking in high-impact applications. All are chemical and oil resistant, nonconductive, and lightweight.

Metric Impact-Resistant Polycarbonate
Pan Head Phillips Screws

Made from polycarbonate, these metric pan head screws resist breaking in high-impact applications. They are chemical and oil resistant, nonconductive, and lightweight.

High-Strength High-Temperature
PEEK Pan Head Phillips Screws

Reliable in harsh environments up to 500° F, PEEK screws withstand acids, bases, and salt solutions. They are chemical and oil resistant, nonconductive, and lightweight.

Metric High-Strength High-Temperature
PEEK Pan Head Phillips Screws

These metric PEEK screws are reliable in harsh environments up to 500° F and withstand acids, bases, and salt solutions. All are chemical and oil resistant, nonconductive, and lightweight.

Plastic Narrow Cheese Head Slotted Screws

Made from nylon, these screws are chemical and oil resistant, nonconductive, and lightweight.

Nylon Pan Head Slotted Screws

Nylon screws are chemical and oil resistant, nonconductive, and lightweight. Exposure to moisture may cause them to expand.

Metric Nylon Pan Head Slotted Screws

Made from nylon, these metric screws are chemical and oil resistant, nonconductive, and lightweight. Exposure to moisture may cause them to expand.

Extreme-Temperature Chemical-Resistant
PTFE Pan Head Slotted Screws

PTFE screws withstand harsh chemicals and temperatures from -100° F to 500° F. They are nonconductive, lightweight, and resist wear due to their slippery surface.

Metric Extreme-Temperature Chemical-Resistant
PTFE Pan Head Slotted Screws

These metric PTFE screws withstand harsh chemicals and temperatures from -100° F to 500° F. They are nonconductive, lightweight, and resist wear due to their slippery surface.

Plastic High-Profile Narrow Fillister Head Slotted Screws

Made from nylon, these screws are chemical and oil resistant, nonconductive, and lightweight.

Extreme-Temperature Chemical-Resistant
PTFE Decorative Round Head Slotted Screws

PTFE screws withstand harsh chemicals and temperatures from -100° F to 500° F.

Nylon Decorative Round Head Slotted Screws

Nylon screws are chemical and oil resistant, nonconductive, and lightweight. Exposure to moisture may cause them to expand.

Plastic Binding Head Slotted Screws

Plastic screws are ?chemical and oil resistant, nonconductive, and lightweight.

Hex Head Screws

Plastic Hex Head Screws

Plastic screws are chemical and oil resistant, nonconductive, and lightweight.

Fiberglass Hex Head Screws

Fiberglass screws are stronger than plastic screws, chemical and oil resistant, nonconductive, and lightweight.

Ceramic Hex Head Screws

Ceramic screws won't melt, rust, seize, or become brittle—even at extreme temperatures. They are nonconductive and highly resistant to corrosive gases.

Fiberglass Flanged Hex Head Screws

These screws are chemical and oil resistant, nonconductive, and lightweight. The flange eliminates the need for a washer, distributing pressure where the screw meets the surface.

Plastic Slotted Flat Head Screws

Nylon Slotted Flat Head Screws

These screws are chemical and oil resistant, nonconductive, and lightweight. Exposure to moisture may cause them to expand.

Metric Nylon Slotted Flat Head Screws

These metric screws are chemical and oil resistant, nonconductive, and lightweight. Exposure to moisture may cause them to expand.

Extreme-Temperature Chemical-Resistant
PTFE Slotted Flat Head Screws

PTFE screws are more chemical resistant than other plastic screws and withstand temperatures from -100° F to 500° F.

Impact-Resistant Polycarbonate
Slotted Flat Head Screws

Polycarbonate screws resist breaking in high impact applications better than other plastic screws. All are chemical and oil resistant, nonconductive, and lightweight.

High-Strength High-Temperature
PEEK Slotted Flat Head Screws

These screws are more reliable in high-stress, high-temperature environments than other plastic screws. They withstand water, steam, and temperatures up to 500° F.

Fastener Caps

Screw Caps

Conceal and protect the tops of socket head or button head screws.

Hex Nut Caps

Sized to fit hex nuts, these caps snap on for a tight hold and provide protection from corrosion.

Snap-On Fastener Caps

To conceal and protect the entire screw head, insert your screw through the hole in the base and snap on the top.

Hinged Fastener Caps

A one-piece hinged design allows frequent access to screw heads without misplacing the top. To conceal and protect the entire screw head, insert your screw through the hole in the base and flip the hinged top over.

Plastic Socket Head Screws

Plastic Socket Head Screws

Rounded Head Screws

Nylon Pan Head Phillips Screws

Metric Nylon Pan Head Phillips Screws

Impact-Resistant PolycarbonatePan Head Phillips Screws

Metric Impact-Resistant PolycarbonatePan Head Phillips Screws

High-Strength High-TemperaturePEEK Pan Head Phillips Screws

Metric High-Strength High-TemperaturePEEK Pan Head Phillips Screws

Plastic Narrow Cheese Head Slotted Screws

Nylon Pan Head Slotted Screws

Metric Nylon Pan Head Slotted Screws

Extreme-Temperature Chemical-ResistantPTFE Pan Head Slotted Screws

Metric Extreme-Temperature Chemical-ResistantPTFE Pan Head Slotted Screws

Plastic High-Profile Narrow Fillister Head Slotted Screws

Extreme-Temperature Chemical-ResistantPTFE Decorative Round Head Slotted Screws

Nylon Decorative Round Head Slotted Screws

Plastic Binding Head Slotted Screws

Hex Head Screws

Plastic Hex Head Screws

Fiberglass Hex Head Screws

Ceramic Hex Head Screws

Fiberglass Flanged Hex Head Screws

Plastic Slotted Flat Head Screws

Nylon Slotted Flat Head Screws

Metric Nylon Slotted Flat Head Screws

Extreme-Temperature Chemical-ResistantPTFE Slotted Flat Head Screws

Impact-Resistant PolycarbonateSlotted Flat Head Screws

High-Strength High-TemperaturePEEK Slotted Flat Head Screws

Fastener Caps

Screw Caps

Hex Nut Caps

Snap-On Fastener Caps

Hinged Fastener Caps

Impact-Resistant Polycarbonate
Pan Head Phillips Screws

Metric Impact-Resistant Polycarbonate
Pan Head Phillips Screws

High-Strength High-Temperature
PEEK Pan Head Phillips Screws

Metric High-Strength High-Temperature
PEEK Pan Head Phillips Screws

Extreme-Temperature Chemical-Resistant
PTFE Pan Head Slotted Screws

Metric Extreme-Temperature Chemical-Resistant
PTFE Pan Head Slotted Screws

Extreme-Temperature Chemical-Resistant
PTFE Decorative Round Head Slotted Screws

Extreme-Temperature Chemical-Resistant
PTFE Slotted Flat Head Screws

Impact-Resistant Polycarbonate
Slotted Flat Head Screws

High-Strength High-Temperature
PEEK Slotted Flat Head Screws