Hex Locks | McMaster-Carr

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System of Measurement

Thread Size

Nut Type

Tamper Resistant

Material

Grade 5 Titanium

Stainless Steel

Locking Type

Distorted Thread

Two-Piece Clamp

Finish

Black Zinc Plated

Cadmium Yellow-Chromate Plated

Corrosion-Resistant Coated

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Height

Hex Nut Profile

Fastener Strength Grade/Class

Width

Thread Pitch

Thread Type

Performance

Corrosion Resistant

High Temperature

Vibration Resistant

Thread Direction

Thread Spacing

Fastener Strength Rating

Specifications Met

ANSI/MSS SP-114

Thread Fit

Metric Class 6G

Metric Class 6H

Unified Standard Class 2B

Unified Standard Class 3B

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Flange Diameter

Distorted Thread Type

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2,411 Products

Fastening and Joining

Locknuts

Hold fasteners in place to prevent loosening from vibration

Cap Nuts

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

Flange Nuts

The flange distributes pressure, so you don't need a washer

Split Nuts

Swivel to attach at any point on a threaded rod for quick installation

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

Tamper-Resistant Nuts

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

Weld Nuts

Weld to metal surfaces to add permanent threads

Building and Machinery Hardware

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

Push-to-Close Latches

Push-to-Close Latches

Automatically hold doors shut when you push them closed

Draw Latches

Pull toolbox and other container lids closed and secure them

Electrical

Conduit Locknuts

Conduit Locknuts

Secure threaded conduit fittings to knockouts in electrical boxes

Fluid Handling

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

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