1/4"-28 Tube Fittings | McMaster-Carr

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System of Measurement

Thread Type

UN/UNF (SAE Straight)

Material

Stainless Steel

Shape

Gender

Tube ID

Fitting Type

Pipe Size

Fitting Connection

Push to Connect

Spec Image

For Use With

Acetic Acid (White Vinegar)

Hydrochloric Acid

Phosphoric Acid

Sodium Hypochlorite (Bleach)

Connects To

Tube OD

Thread Pitch

Luer Lock Component

Tube Material

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 499° F

500° F to 999° F

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

Maximum Pressure @ Temperature

30 psi @ 72° F

40 psi @ 72° F

45 psi @ 72° F

120 psi @ 72° F

125 psi @ 72° F

250 psi @ 72° F

290 psi @ 72° F

Length

Tube Hardness Rating

ID

Maximum Vacuum @ Temperature

27 in. Hg @ 72° F

29 in. Hg @ 72° F

How can we improve?

77 Products

Fluid Handling

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

Mate grease fittings when the sizes and thread types don't match

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