Metric Allen Shoulder Screws | McMaster-Carr

	Shoulder Diameter Shoulder Diameter

	Shoulder Length Shoulder Length

	Thread Size Thread Size

	Thread Pitch Thread Pitch

	Material Material

Stainless Steel

	Thread Length Thread Length

	Socket Head Profile Socket Head Profile


Standard	Low

	Head Type Head Type


Socket	Thumb

	Head Diameter Head Diameter

	Shoulder Fit Shoulder Fit

	Head Height Head Height

	Head Texture Head Texture


Knurled	Smooth

	Drive Size Drive Size

	Tensile Strength Tensile Strength

	Hardness Hardness

	Minimum Shear Strength Minimum Shear Strength

	Thread Fit Thread Fit

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

DFARS Specialty Metals
Compliant

DFARS Specialty Metals
COTS-Exempt

	Finish Finish

	Specifications Met Specifications Met

	Thread Locker Type Thread Locker Type


Nylon Patch	Nylon Pellet

	Minimum Thread Locker Temperature Minimum Thread Locker Temperature

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About Shoulder Screws

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General Purpose Shoulder Screws

Metric Alloy Steel Shoulder Screws

Comparable to Class 12.9 steel.

Metric Same-Size Thread Alloy Steel Shoulder Screws

The metric-sized threads on these screws are the same diameter as the shoulder. Comparable in strength to Class 12.9 steel.

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.

Metric 18-8 Stainless Steel Shoulder Screws

These screws have metric thread sizes. They are 18-8 stainless steel for good chemical resistance.

Metric 316 Stainless Steel Shoulder Screws

For metric thread sizes with excellent resistance to chemicals and salt water, choose these 316 stainless steel shoulder screws.

Metric Low-Profile Shoulder Screws

These metric screws have a head height that's about two-thirds the head height of a standard shoulder screw. Use them in low-clearance applications such as inside machines.

Metric Alloy Steel Thread-Locking Shoulder Screws

Available in metric sizes, these screws have a locking element on the threads that adds friction to resist loosening. Comparable to Grade 8 steel, they are the strongest screws we offer.

Precision Shoulder Screws

Metric 18-8 Stainless Steel Precision Shoulder Screws

Metric Thumb-Grip 18-8 Stainless
Steel Precision Shoulder Screws

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

Metric 316 Stainless Steel Precision Shoulder Screws

These metric 316 stainless steel shoulder screws are more corrosion resistant than 18-8 stainless steel shoulder screws. They also have excellent resistance to chemicals and salt water.

Metric Brass Precision Shoulder Screws

Offered in metric sizes, these brass shoulder screws are electrically conductive, nonmagnetic, and have good corrosion resistance.

Metric Low-Profile Precision Shoulder Screws

Metric Thread-Locking Precision Shoulder Screws

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)