1/4"-20 Couplings | McMaster-Carr

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System of Measurement

Thread Size

Material

Grade L5 Ceramic

Stainless Steel

Length

Gender

Hex Size

Hex Length

Nut Type

Externally Threaded

With Sight Hole

Threading

Partially Threaded

Threaded on Both Ends

Thread Length

Shape

Finish

Nickel Chrome Plated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Width

OD

Thread Type

For Adapting

Thread Direction

Coupling Nut Profile

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Thread Fit

Metric Class 6g

Metric Class 6H

Unified Standard Class 1A

Unified Standard Class 1B

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Drive Style

Tensile Strength

Less than 10,000 psi

10,000 psi to 19,999 psi

40,000 psi to 99,999 psi

100,000 psi or greater

Thread Direction

Performance

Corrosion Resistant

Static Dissipative

How can we improve?

883 Products

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Coupling Nuts

Connect and extend threaded rods

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Building and Machinery Hardware

T-Slotted Framing Fasteners

T-Slotted Framing Fasteners

Secure brackets and other accessories to T-slotted rails

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

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

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