10-32 Shoulder Bolts | McMaster-Carr

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339 Products

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.