18-8 Stainless Steel Hex Nuts | McMaster-Carr

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Material

18-8 Stainless Steel

303 Stainless Steel

304 Stainless Steel

Thread Size

Hex Nut Profile

Nut Type

Tamper Resistant

Width

Height

Thread Direction

System of Measurement

Thread Type

Thread Spacing

Performance

Corrosion Resistant

Seize Resistant

Vibration Resistant

Specifications Met

ANSI/MSS SP-114

Federal Specification

Washer Material

18-8 Stainless Steel

400 Series Stainless Steel

Thread Pitch

Locking Type

Distorted Thread

Finish

Fastener Strength Grade/Class

Thread Fit

Metric Class 6g

Metric Class 6G

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3B

Certification

UL Recognized Component

Military Specification

DFARS Specialty Metals

Length

RoHS

Compliant with Exemptions

REACH

Flange Diameter

Export Control Classification Number (ECCN)

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2,782 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

Flange Nuts

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

Coupling Nuts

Connect and extend threaded rods

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

Easy to tighten and loosen by hand for making frequent adjustments

Split Nuts

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

Tamper-Resistant Nuts

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

Weld Nuts

Weld to metal surfaces to add permanent threads

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

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.)