Steel Square Nuts | McMaster-Carr

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Material

Stainless Steel

System of Measurement

Thread Size

Nut Type

Tamper Resistant

Width

Height

Finish

Black Zinc Plated

Hot-Dipped Galvanized

Phosphate Coated

Zinc Yellow-Chromate Plated

Thread Type

Thread Pitch

Thread Direction

Right Hand and Left Hand

Thread Spacing

Fastener Strength Grade/Class

Fastener Strength Rating

Specifications Met

NEBS GR-63-CORE

Length

Thread Fit

Metric Class 6G

Metric Class 6H

Metric Class 7H

Unified Standard Class 2B

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Weld Nut Shape

Rectangular with Floating Nut

Export Control Classification Number (ECCN)

Panel Thickness

0.023" to 0.063"

0.025" to 0.063"

0.028" to 0.056"

0.057" to 0.092"

0.064" to 0.105"

0.069" to 0.079"

0.093" to 0.126"

0.093" to 0.135"

0.096" to 0.141"

0.125" to 0.156"

0.127" to 0.162"

0.162" to 0.21"

0.7 mm to 1.4 mm

0.7 mm to 1.6 mm

1.4 mm to 2.3 mm

1.5 mm to 2.3 mm

Base Width

Snap-In Nut Shape

Rectangular with Floating Nut

Strut Channel Type

Clip-On Nut Type

With Floating Square Nut

With Square Nut

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319 Products

Square Nuts

Low-Strength Steel Square Nuts

Low-Strength Steel Square Nuts

About half the strength of medium-strength steel for light duty fastening

18-8 Stainless Steel Square Nuts

18-8 Stainless Steel Square Nuts

Resist corrosion where moisture and chemicals are present

18-8 Stainless Steel Thin-Profile Square Nuts

Use in low-clearance areas where moisture and chemicals are present

Medium-Strength Steel Square Nuts

Medium-Strength Steel Square Nuts

Suitable for fastening most machinery and equipment

Medium-Strength Steel Thin-Profile Square Nuts

Two-thirds the height of standard nuts for low-clearance areas

Highly Corrosion-Resistant 316 Stainless Steel Square Nuts

Highly Corrosion-Resistant 316 Stainless Steel Square Nuts

Withstand harsh chemicals better than 18-8 stainless steel

Other Products

Weld Nuts

Weld to metal surfaces to add permanent threads

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

Strut Channel Nuts

Strut Channel Nuts

Fasten on threaded rod to connect components to strut channel

Tamper-Resistant Nuts

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

Clip-On Nuts

Slide onto the edge of thin panels to create a fastening point

Cap Nuts

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

Precision Lead Screws

Precision Lead Screws

Pair with precision lead screw nuts for accurate starts and stops in your assembly

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