Stainless Steel Locknuts | McMaster-Carr

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Material

Stainless Steel

17-7 PH Stainless Steel

18-8 Stainless Steel

303 Stainless Steel

304 Stainless Steel

316 Stainless Steel

400 Series Stainless Steel

410 Stainless Steel

A286 Stainless Steel

Stainless Steel

System of Measurement

Thread Size

Nut Type

Tamper Resistant

Locking Type

Distorted Thread

Hex Nut Profile

Height

Width

Performance

Corrosion Resistant

High Temperature

Vibration Resistant

Thread Type

Washer Material

18-8 Stainless Steel

400 Series Stainless Steel

410 Stainless Steel

Thread Spacing

Finish

Specifications Met

ANSI/MSS SP-114

Thread Direction

Thread Pitch

Military Specification

Thread Fit

Metric Class 4H

Metric Class 4H5H

Metric Class 4H6H

Metric Class 6g

Metric Class 6G

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Screw Size

DFARS Specialty Metals

Insert Maximum Temperature

Length

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Certification

UL Recognized Component

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3,121 Products

Fastening and Joining

Locknuts

Hold fasteners in place to prevent loosening from vibration

Flange Nuts

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

Cap Nuts

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

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

Panel Nuts

Extremely thin for tight spots such as electrical panels; also known as dress nuts

Tamper-Resistant Nuts

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

Split Nuts

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

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

Push Nuts

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

Lock Washers

Resist vibration to prevent fasteners from loosening

Shoulder Screws

Shoulder Screws

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

Rounded Head Screws

Rounded Head Screws

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

Socket Head Screws

Socket Head Screws

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Set Screws

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

Hex Head Screws

Hex Head Screws

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

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

Power Transmission

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

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