10-32 Shoulder Bolts | McMaster-Carr

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	System of Measurement System of Measurement

Inch

	Shoulder Length Shoulder Length

	Shoulder Diameter Shoulder Diameter

3/16"

1/4"

1/2"

	Thread Size Thread Size	Show

10-32

	Thread Size Thread Size	Hide

	Thread Length Thread Length

5/32"

3/16"

1/4"

	Material Material

Steel

Stainless Steel

Brass

	Head Type Head Type


Socket	Headless

Thumb

	Socket Head Profile Socket Head Profile


Standard	Low

Ultra-Low

	Drive Style Drive Style


Hex	Slotted

	Shoulder Fit Shoulder Fit

Standard

Precise

	Head Diameter Head Diameter

	Head Height Head Height

	Head Texture Head Texture


Knurled	Smooth

	Finish Finish

Black Oxide

Passivated

TiCN Coated

	Thread Direction Thread Direction

	Right Hand

	Thread Type Thread Type

UNF

	Size Size

3/32"

1/8"

1/4"

	Thread Spacing Thread Spacing

Fine

	Minimum Shear Strength Minimum Shear Strength

	Tensile Strength Tensile Strength

	Thread Fit Thread Fit

Class 2A

Class 2B

Class 3A

	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

RoHS Compliant with
Exemptions

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About Shoulder Screws

Alloy Steel Shoulder Screws

Comparable in strength to Grade 8 steel. These screws have inch thread sizes.

Short-Thread Alloy Steel Shoulder Screws

Use these screws in thin materials; they have a shorter threaded portion than our standard shoulder screws. They’re comparable in strength to Grade 8 steel.

18-8 Stainless Steel Shoulder Screws

Made from 18-8 stainless steel, these inch-sized shoulder screws have good chemical resistance.

Same-Size Thread 18-8
Stainless Steel Shoulder Screws

With inch-sized threads the same diameter as the shoulder, these screws can handle heavy loads. They’re 18-8 stainless steel for good chemical resistance.

316 Stainless Steel Shoulder Screws

More corrosion resistant than 18-8 stainless steel shoulder screws, these have excellent resistance to chemicals and salt water. These screws have inch thread sizes.

Internally Threaded Shoulders

Screw these shoulders onto a stud.

Precision Shoulder Screws

18-8 Stainless Steel Precision Shoulder Screws

18-8 Stainless Steel Precision Shoulder
Screws with Material Certification

These shoulder screws come with a traceable lot number and material test report.

Slotted 18-8 Stainless Steel Precision Shoulder Screws

Thumb-Grip 18-8 Stainless
Steel Precision Shoulder Screws

Install and remove these shoulder screws by hand or with a hex key.

316 Stainless Steel Precision Shoulder Screws

More corrosion resistant than 18-8 stainless steel shoulder screws, these have excellent resistance to chemicals and salt water.

High-Strength 416 Stainless
Steel Precision Shoulder Screws

Made of 416 stainless steel, these shoulder screws are almost twice as strong as 18-8 stainless steel and have the same corrosion resistance.

Headless Alloy Steel Precision Shoulder Screws

Without a head to get in the way, these screws fit in tight spaces where standard shoulder screws cannot. Either thread them in a countersunk hole for a flush mount, or install them with the shoulder sticking out to use them as pins or dowels for aligning and locating components.

Alloy Steel Precision Shoulder Screws

Comparable to Grade 8 steel, these screws are the strongest precision shoulder screws we offer.

Brass Precision Shoulder Screws

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

Low-Profile Precision Shoulder Screws

Slotted Low-Profile Precision Shoulder Screws

Ultra-Low-Profile Precision Shoulder Screws

These screws have a head height about one-third the head height of a standard shoulder screw. Use them in low-clearance applications such as inside machines.

Slotted Ultra-Low-Profile Precision Shoulder Screws

These slotted screws have a head height about one-third the head height of a standard shoulder screw. Use them in low-clearance applications such as inside machines.