Grade 8 Steel Coupling Nuts | McMaster-Carr

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Grade L5 Ceramic

Stainless Steel

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With Sight Hole

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Partially Threaded

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Aluminum Plated

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Thread Direction

Right Hand and Left Hand

Fastener Strength Grade/Class

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Fastener Strength Rating

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Coupling Nut Profile

Performance

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Flame Retardant

High Temperature

Vibration Resistant

OD

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

Tube Material

Polyurethane Rubber

Stainless Steel

Nut Material

Stainless Steel

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6,115 Products

Coupling Nuts

Coupling Nuts

The most commonly used coupling nuts

Round Coupling Nuts

Round Coupling Nuts

Fit in tight spots and create a finished appearance

Coupling Nuts with Sight Hole

Coupling Nuts with Sight Hole

Confirm that threads are fastened to the right depth

Left-Hand-Thread Coupling Nuts

Left-Hand-Thread Coupling Nuts

Tighten when turned to the left

Other Products

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Standoffs

Separate, position, or connect components in assemblies

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

Tube Fitting Nuts

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

Hose Fitting Nuts

Hose Fitting Nuts

Connect fittings and compressed-gas nipples to pressure regulators and torches

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

Tube Fitting Sleeve and Nut Kits

Tube Fitting Sleeve and Nut Kits

Everything you need to create a tight seal between a metal tube and a Yor-Lok fitting

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

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