Box Nuts | McMaster-Carr

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Thread Size

Nut Type

Material

Stainless Steel

Width

Height

System of Measurement

Finish

Black Zinc Plated

Hot-Dipped Galvanized

Phosphate Coated

Thread Type

Metric Trapezoidal

Thread Direction

Thread Pitch

Panel Thickness

0.023" to 0.063"

0.025" to 0.063"

0.028" to 0.056"

0.057" to 0.092"

0.063" to 0.105"

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

Thread Spacing

Weld Nut Shape

Rectangular with Floating Nut

Fastener Strength Grade/Class

Component

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Thread Fit

Metric Class 6G

Metric Class 6H

Metric Class 7H

Metric Trapezoidal Class 7H

Unified Standard Class 2B

Fastener Strength Rating

Specifications Met

NEBS GR-63-CORE

Strut Channel Type

Square Hole Size

0.343" to 0.38"

0.362" to 0.375"

0.375" to 0.38"

0.503" to 0.508"

0.573" to 0.578"

0.588" to 0.593"

Clip-On Nut Type

With Floating Square Nut

With Square Nut

ID

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367 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

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

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

Super-Corrosion-Resistant 316 Stainless Steel Square Nuts

Super-Corrosion-Resistant 316 Stainless Steel Square Nuts

Withstand harsh chemicals better than 18-8 stainless steel

Ultra-High-Temperature Carbon Fiber Square Nuts

Ultra-High-Temperature Carbon Fiber Square Nuts

Won't warp in extreme-heat applications such as furnace fixtures

Brass Square Nuts

Brass Square Nuts

Conductive and nonmagnetic for securing electrical equipment

Fiberglass Square Nuts

Fiberglass Square Nuts

Chemical resistant, nonconductive, and lightweight

Other Products

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

Weld Nuts

Weld to metal surfaces to add permanent threads

Lead and Ball Screw End Supports

Lead and Ball Screw End Supports

Brace and secure the ends of lead screws and ball screws

Clip-On Nuts

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

Lead Screws and Nuts

Lead Screws and Nuts

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

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