Miniature Bolts | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Length Length

	Head Type Head Type


Rounded	Socket

Hex	Flat

	Material Material

	Finish Finish

Black Ultra-Corrosion-
Resistant Coated

Blue Anodized

Cadmium Plated

	Drive Style Drive Style


Hex	Slotted	External Hex

Phillips	Torx	Torx Plus

Hex with Pilot Recess	JIS

	Head Diameter Head Diameter

	Threading Threading

	Fully Threaded
	Partially Threaded

	Head Height Head Height

	Rounded Head Style Rounded Head Style


Pan	Cheese

Button	Round

Fillister	Binding

	Socket Head Profile Socket Head Profile


Standard	Low

High

	Thread Type Thread Type

	Thread Spacing Thread Spacing

Coarse

Fine

	Drive Size Drive Size

	Tensile Strength Tensile Strength

Less than 50,000 psi

50,000 to 69,999 psi

70,000 to 99,999 psi

100,000 psi or greater

Not Rated

	Thread Fit Thread Fit

	Hardness Hardness

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

RoHS Compliant

RoHS Compliant with
Exemptions

	Specifications Met Specifications Met

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

REACH Compliant

	Countersink Angle Countersink Angle

82°

90°

100°

	Flat Head Profile Flat Head Profile


Standard	Undercut

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1,384 Products

Screws and Bolts

Rounded Head Screws

Sealing Rounded Head Screws

A rubber O-ring prevents leaks and seals out contaminants.

Vibration-Resistant Rounded Head Screws

Prevent screws from loosening due to vibration. Includes screws with thread locker, screws with lock washers, and screws that are wire lockable.

Socket Head Screws

Use these general purpose screws for a variety of fastening applications.

Vented Socket Head Screws

Vibration-Resistant Socket Head Screws

Prevent loosening from vibration with these screws, which have a locking feature to hold them tight.

Stainless Steel Hex Head Screws

Stainless steel screws have excellent corrosion resistance in most environments.

Plastic Hex Head Screws

Plastic screws are 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.

Hex Drive Flat Head Screws

Phillips Flat Head Screws

Slotted Flat Head Screws

Torx Flat Head Screws

A Torx drive has more points of contact than other drives—allowing you to tighten the screw without damaging the recess.