Locking Patches | McMaster-Carr

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System of Measurement

Thread Size

Length

Material

Drive Style

Spring Plunger Driver

Locking Type

Fastener Head Type

Nose Material

Spring Plunger Nose Type

Threadlocker Type

Nose Diameter

Body Length

Body Material

Finish

Zinc Yellow-Chromate Plated

Thread Type

Extended Nose Length

Thread Spacing

Performance

Thread Length

Extended Nose Force

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

Mount Type

2,993 Products

Fastening and Joining

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

398 products

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

306 products

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

162 products

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

98 products

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

552 products

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

336 products

Standoffs

Separate, position, or connect components in assemblies

69 products

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

1,014 products

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

26 products

Binding Barrel Posts and Screws

Thread together for a low-profile fastener

20 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

12 products